thirdparty/google_appengine/google/appengine/tools/dev_appserver.py
author Todd Larsen <tlarsen@google.com>
Mon, 29 Sep 2008 17:22:31 +0000
changeset 209 4ba836d74829
parent 149 f2e327a7c5de
child 297 35211afcd563
permissions -rwxr-xr-x
Load ../../google_appengine/ into trunk/thirdparty/google_appengine.
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#!/usr/bin/env python
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#
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# Copyright 2007 Google Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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#     http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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"""Pure-Python application server for testing applications locally.
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Given a port and the paths to a valid application directory (with an 'app.yaml'
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file), the external library directory, and a relative URL to use for logins,
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creates an HTTP server that can be used to test an application locally. Uses
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stubs instead of actual APIs when SetupStubs() is called first.
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Example:
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  root_path = '/path/to/application/directory'
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  login_url = '/login'
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  port = 8080
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  template_dir = '/path/to/appserver/templates'
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  server = dev_appserver.CreateServer(root_path, login_url, port, template_dir)
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  server.serve_forever()
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"""
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from google.appengine.tools import os_compat
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import __builtin__
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import BaseHTTPServer
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import Cookie
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import cStringIO
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import cgi
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import cgitb
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import dummy_thread
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import email.Utils
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import errno
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import httplib
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import imp
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import inspect
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import itertools
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import logging
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import mimetools
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import mimetypes
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import os
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import pickle
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import pprint
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import random
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import re
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import sre_compile
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import sre_constants
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import sre_parse
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import mimetypes
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import socket
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import sys
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import time
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import traceback
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import types
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import urlparse
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import urllib
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import google
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from google.pyglib import gexcept
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from google.appengine.api import apiproxy_stub_map
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from google.appengine.api import appinfo
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from google.appengine.api import datastore_admin
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from google.appengine.api import datastore_file_stub
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from google.appengine.api import urlfetch_stub
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from google.appengine.api import mail_stub
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from google.appengine.api import user_service_stub
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from google.appengine.api import yaml_errors
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from google.appengine.api.memcache import memcache_stub
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from google.appengine.tools import dev_appserver_index
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from google.appengine.tools import dev_appserver_login
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PYTHON_LIB_VAR = '$PYTHON_LIB'
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DEVEL_CONSOLE_PATH = PYTHON_LIB_VAR + '/google/appengine/ext/admin'
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FILE_MISSING_EXCEPTIONS = frozenset([errno.ENOENT, errno.ENOTDIR])
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MAX_URL_LENGTH = 2047
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HEADER_TEMPLATE = 'logging_console_header.html'
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SCRIPT_TEMPLATE = 'logging_console.js'
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MIDDLE_TEMPLATE = 'logging_console_middle.html'
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FOOTER_TEMPLATE = 'logging_console_footer.html'
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DEFAULT_ENV = {
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  'GATEWAY_INTERFACE': 'CGI/1.1',
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  'AUTH_DOMAIN': 'gmail.com',
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  'TZ': 'UTC',
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}
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for ext, mime_type in (('.asc', 'text/plain'),
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                       ('.diff', 'text/plain'),
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                       ('.csv', 'text/comma-separated-values'),
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                       ('.rss', 'application/rss+xml'),
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                       ('.text', 'text/plain'),
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                       ('.wbmp', 'image/vnd.wap.wbmp')):
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  mimetypes.add_type(mime_type, ext)
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class Error(Exception):
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  """Base-class for exceptions in this module."""
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class InvalidAppConfigError(Error):
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  """The supplied application configuration file is invalid."""
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class AppConfigNotFoundError(Error):
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  """Application configuration file not found."""
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class TemplatesNotLoadedError(Error):
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  """Templates for the debugging console were not loaded."""
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def SplitURL(relative_url):
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  """Splits a relative URL into its path and query-string components.
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  Args:
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    relative_url: String containing the relative URL (often starting with '/')
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      to split. Should be properly escaped as www-form-urlencoded data.
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  Returns:
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    Tuple (script_name, query_string) where:
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      script_name: Relative URL of the script that was accessed.
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      query_string: String containing everything after the '?' character.
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  """
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  scheme, netloc, path, query, fragment = urlparse.urlsplit(relative_url)
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  return path, query
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def GetFullURL(server_name, server_port, relative_url):
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  """Returns the full, original URL used to access the relative URL.
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  Args:
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    server_name: Name of the local host, or the value of the 'host' header
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      from the request.
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    server_port: Port on which the request was served (string or int).
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    relative_url: Relative URL that was accessed, including query string.
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  Returns:
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    String containing the original URL.
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  """
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  if str(server_port) != '80':
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    netloc = '%s:%s' % (server_name, server_port)
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  else:
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    netloc = server_name
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  return 'http://%s%s' % (netloc, relative_url)
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class URLDispatcher(object):
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  """Base-class for handling HTTP requests."""
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  def Dispatch(self,
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               relative_url,
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               path,
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               headers,
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               infile,
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               outfile,
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               base_env_dict=None):
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    """Dispatch and handle an HTTP request.
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    base_env_dict should contain at least these CGI variables:
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      REQUEST_METHOD, REMOTE_ADDR, SERVER_SOFTWARE, SERVER_NAME,
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      SERVER_PROTOCOL, SERVER_PORT
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    Args:
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      relative_url: String containing the URL accessed.
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      path: Local path of the resource that was matched; back-references will be
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        replaced by values matched in the relative_url. Path may be relative
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        or absolute, depending on the resource being served (e.g., static files
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        will have an absolute path; scripts will be relative).
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      headers: Instance of mimetools.Message with headers from the request.
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      infile: File-like object with input data from the request.
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      outfile: File-like object where output data should be written.
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      base_env_dict: Dictionary of CGI environment parameters if available.
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        Defaults to None.
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    """
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    raise NotImplementedError
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class URLMatcher(object):
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  """Matches an arbitrary URL using a list of URL patterns from an application.
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  Each URL pattern has an associated URLDispatcher instance and path to the
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  resource's location on disk. See AddURL for more details. The first pattern
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  that matches an inputted URL will have its associated values returned by
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  Match().
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  """
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  def __init__(self):
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    """Initializer."""
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    self._url_patterns = []
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  def AddURL(self, regex, dispatcher, path, requires_login, admin_only):
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    """Adds a URL pattern to the list of patterns.
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    If the supplied regex starts with a '^' or ends with a '$' an
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    InvalidAppConfigError exception will be raised. Start and end symbols
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    and implicitly added to all regexes, meaning we assume that all regexes
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    consume all input from a URL.
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    Args:
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      regex: String containing the regular expression pattern.
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      dispatcher: Instance of URLDispatcher that should handle requests that
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        match this regex.
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      path: Path on disk for the resource. May contain back-references like
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        r'\1', r'\2', etc, which will be replaced by the corresponding groups
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        matched by the regex if present.
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      requires_login: True if the user must be logged-in before accessing this
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        URL; False if anyone can access this URL.
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      admin_only: True if the user must be a logged-in administrator to
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        access the URL; False if anyone can access the URL.
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    """
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    if not isinstance(dispatcher, URLDispatcher):
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      raise TypeError, 'dispatcher must be a URLDispatcher sub-class'
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    if regex.startswith('^') or regex.endswith('$'):
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      raise InvalidAppConfigError, 'regex starts with "^" or ends with "$"'
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    adjusted_regex = '^%s$' % regex
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    try:
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      url_re = re.compile(adjusted_regex)
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    except re.error, e:
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      raise InvalidAppConfigError, 'regex invalid: %s' % e
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    match_tuple = (url_re, dispatcher, path, requires_login, admin_only)
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    self._url_patterns.append(match_tuple)
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  def Match(self,
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            relative_url,
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            split_url=SplitURL):
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    """Matches a URL from a request against the list of URL patterns.
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    The supplied relative_url may include the query string (i.e., the '?'
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    character and everything following).
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    Args:
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      relative_url: Relative URL being accessed in a request.
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    Returns:
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      Tuple (dispatcher, matched_path, requires_login, admin_only), which are
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      the corresponding values passed to AddURL when the matching URL pattern
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      was added to this matcher. The matched_path will have back-references
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      replaced using values matched by the URL pattern. If no match was found,
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      dispatcher will be None.
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    """
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    adjusted_url, query_string = split_url(relative_url)
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    for url_tuple in self._url_patterns:
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      url_re, dispatcher, path, requires_login, admin_only = url_tuple
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      the_match = url_re.match(adjusted_url)
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      if the_match:
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        adjusted_path = the_match.expand(path)
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        return dispatcher, adjusted_path, requires_login, admin_only
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    return None, None, None, None
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  def GetDispatchers(self):
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    """Retrieves the URLDispatcher objects that could be matched.
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    Should only be used in tests.
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    Returns:
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      A set of URLDispatcher objects.
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    """
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    return set([url_tuple[1] for url_tuple in self._url_patterns])
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class MatcherDispatcher(URLDispatcher):
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  """Dispatcher across multiple URLMatcher instances."""
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  def __init__(self,
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               login_url,
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               url_matchers,
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               get_user_info=dev_appserver_login.GetUserInfo,
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               login_redirect=dev_appserver_login.LoginRedirect):
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    """Initializer.
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    Args:
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      login_url: Relative URL which should be used for handling user logins.
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      url_matchers: Sequence of URLMatcher objects.
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      get_user_info, login_redirect: Used for dependency injection.
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    """
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    self._login_url = login_url
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    self._url_matchers = tuple(url_matchers)
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    self._get_user_info = get_user_info
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    self._login_redirect = login_redirect
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  def Dispatch(self,
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               relative_url,
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               path,
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               headers,
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               infile,
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               outfile,
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               base_env_dict=None):
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    """Dispatches a request to the first matching dispatcher.
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    Matchers are checked in the order they were supplied to the constructor.
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    If no matcher matches, a 404 error will be written to the outfile. The
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    path variable supplied to this method is ignored.
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    """
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    cookies = ', '.join(headers.getheaders('cookie'))
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    email, admin = self._get_user_info(cookies)
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    for matcher in self._url_matchers:
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      dispatcher, matched_path, requires_login, admin_only = matcher.Match(relative_url)
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      if dispatcher is None:
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        continue
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      logging.debug('Matched "%s" to %s with path %s',
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                    relative_url, dispatcher, matched_path)
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      if (requires_login or admin_only) and not email:
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        logging.debug('Login required, redirecting user')
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        self._login_redirect(
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          self._login_url,
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          base_env_dict['SERVER_NAME'],
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          base_env_dict['SERVER_PORT'],
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          relative_url,
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          outfile)
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      elif admin_only and not admin:
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        outfile.write('Status: %d Not authorized\r\n'
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                      '\r\n'
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                      'Current logged in user %s is not '
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                      'authorized to view this page.'
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                      % (httplib.FORBIDDEN, email))
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      else:
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        dispatcher.Dispatch(relative_url,
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                            matched_path,
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                            headers,
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                            infile,
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                            outfile,
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                            base_env_dict=base_env_dict)
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      return
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    outfile.write('Status: %d URL did not match\r\n'
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                  '\r\n'
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                  'Not found error: %s did not match any patterns '
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                  'in application configuration.'
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                  % (httplib.NOT_FOUND, relative_url))
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class ApplicationLoggingHandler(logging.Handler):
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  """Python Logging handler that displays the debugging console to users."""
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  _COOKIE_NAME = '_ah_severity'
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  _TEMPLATES_INITIALIZED = False
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  _HEADER = None
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  _SCRIPT = None
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  _MIDDLE = None
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  _FOOTER = None
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  @staticmethod
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  def InitializeTemplates(header, script, middle, footer):
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    """Initializes the templates used to render the debugging console.
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    This method must be called before any ApplicationLoggingHandler instances
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    are created.
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    Args:
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      header: The header template that is printed first.
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      script: The script template that is printed after the logging messages.
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      middle: The middle element that's printed before the footer.
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      footer; The last element that's printed at the end of the document.
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   382
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   383
    ApplicationLoggingHandler._HEADER = header
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   384
    ApplicationLoggingHandler._SCRIPT = script
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   385
    ApplicationLoggingHandler._MIDDLE = middle
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   386
    ApplicationLoggingHandler._FOOTER = footer
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   387
    ApplicationLoggingHandler._TEMPLATES_INITIALIZED = True
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   388
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   389
  @staticmethod
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   390
  def AreTemplatesInitialized():
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   391
    """Returns True if InitializeTemplates has been called, False otherwise."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   392
    return ApplicationLoggingHandler._TEMPLATES_INITIALIZED
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   393
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   394
  def __init__(self, *args, **kwargs):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   395
    """Initializer.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   396
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   397
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   398
      args, kwargs: See logging.Handler.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   399
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   400
    Raises:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   401
      TemplatesNotLoadedError exception if the InitializeTemplates method was
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   402
      not called before creating this instance.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   403
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   404
    if not self._TEMPLATES_INITIALIZED:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   405
      raise TemplatesNotLoadedError
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   406
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   407
    logging.Handler.__init__(self, *args, **kwargs)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   408
    self._record_list = []
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   409
    self._start_time = time.time()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   410
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   411
  def emit(self, record):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   412
    """Called by the logging module each time the application logs a message.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   413
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   414
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   415
      record: logging.LogRecord instance corresponding to the newly logged
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   416
        message.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   417
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   418
    self._record_list.append(record)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   419
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   420
  def AddDebuggingConsole(self, relative_url, env, outfile):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   421
    """Prints an HTML debugging console to an output stream, if requested.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   422
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   423
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   424
      relative_url: Relative URL that was accessed, including the query string.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   425
        Used to determine if the parameter 'debug' was supplied, in which case
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   426
        the console will be shown.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   427
      env: Dictionary containing CGI environment variables. Checks for the
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   428
        HTTP_COOKIE entry to see if the accessing user has any logging-related
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   429
        cookies set.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   430
      outfile: Output stream to which the console should be written if either
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   431
        a debug parameter was supplied or a logging cookie is present.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   432
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   433
    script_name, query_string = SplitURL(relative_url)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   434
    param_dict = cgi.parse_qs(query_string, True)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   435
    cookie_dict = Cookie.SimpleCookie(env.get('HTTP_COOKIE', ''))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   436
    if 'debug' not in param_dict and self._COOKIE_NAME not in cookie_dict:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   437
      return
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   438
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   439
    outfile.write(self._HEADER)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   440
    for record in self._record_list:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   441
      self._PrintRecord(record, outfile)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   442
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   443
    outfile.write(self._MIDDLE)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   444
    outfile.write(self._SCRIPT)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   445
    outfile.write(self._FOOTER)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   446
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   447
  def _PrintRecord(self, record, outfile):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   448
    """Prints a single logging record to an output stream.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   449
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   450
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   451
      record: logging.LogRecord instance to print.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   452
      outfile: Output stream to which the LogRecord should be printed.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   453
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   454
    message = cgi.escape(record.getMessage())
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   455
    level_name = logging.getLevelName(record.levelno).lower()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   456
    level_letter = level_name[:1].upper()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   457
    time_diff = record.created - self._start_time
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   458
    outfile.write('<span class="_ah_logline_%s">\n' % level_name)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   459
    outfile.write('<span class="_ah_logline_%s_prefix">%2.5f %s &gt;</span>\n'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   460
                  % (level_name, time_diff, level_letter))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   461
    outfile.write('%s\n' % message)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   462
    outfile.write('</span>\n')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   463
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   464
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   465
_IGNORE_HEADERS = frozenset(['content-type', 'content-length'])
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   466
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   467
def SetupEnvironment(cgi_path,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   468
                     relative_url,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   469
                     headers,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   470
                     split_url=SplitURL,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   471
                     get_user_info=dev_appserver_login.GetUserInfo):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   472
  """Sets up environment variables for a CGI.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   473
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   474
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   475
    cgi_path: Full file-system path to the CGI being executed.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   476
    relative_url: Relative URL used to access the CGI.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   477
    headers: Instance of mimetools.Message containing request headers.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   478
    split_url, get_user_info: Used for dependency injection.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   479
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   480
  Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   481
    Dictionary containing CGI environment variables.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   482
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   483
  env = DEFAULT_ENV.copy()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   484
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   485
  script_name, query_string = split_url(relative_url)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   486
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   487
  env['SCRIPT_NAME'] = ''
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   488
  env['QUERY_STRING'] = query_string
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   489
  env['PATH_INFO'] = urllib.unquote(script_name)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   490
  env['PATH_TRANSLATED'] = cgi_path
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   491
  env['CONTENT_TYPE'] = headers.getheader('content-type',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   492
                                          'application/x-www-form-urlencoded')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   493
  env['CONTENT_LENGTH'] = headers.getheader('content-length', '')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   494
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   495
  cookies = ', '.join(headers.getheaders('cookie'))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   496
  email, admin = get_user_info(cookies)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   497
  env['USER_EMAIL'] = email
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   498
  if admin:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   499
    env['USER_IS_ADMIN'] = '1'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   500
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   501
  for key in headers:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   502
    if key in _IGNORE_HEADERS:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   503
      continue
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   504
    adjusted_name = key.replace('-', '_').upper()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   505
    env['HTTP_' + adjusted_name] = ', '.join(headers.getheaders(key))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   506
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   507
  return env
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   508
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   509
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   510
def FakeTemporaryFile(*args, **kwargs):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   511
  """Fake for tempfile.TemporaryFile that just uses StringIO."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   512
  return cStringIO.StringIO()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   513
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   514
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   515
def NotImplementedFake(*args, **kwargs):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   516
  """Fake for methods/classes that are not implemented in the production
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   517
  environment.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   518
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   519
  raise NotImplementedError("This class/method is not available.")
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   520
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   521
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   522
def IsEncodingsModule(module_name):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   523
  """Determines if the supplied module is related to encodings in any way.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   524
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   525
  Encodings-related modules cannot be reloaded, so they need to be treated
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   526
  specially when sys.modules is modified in any way.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   527
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   528
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   529
    module_name: Absolute name of the module regardless of how it is imported
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   530
      into the local namespace (e.g., foo.bar.baz).
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   531
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   532
  Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   533
    True if it's an encodings-related module; False otherwise.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   534
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   535
  if (module_name in ('codecs', 'encodings') or
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   536
      module_name.startswith('encodings.')):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   537
    return True
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   538
  return False
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   539
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   540
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   541
def ClearAllButEncodingsModules(module_dict):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   542
  """Clear all modules in a module dictionary except for those modules that
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   543
  are in any way related to encodings.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   544
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   545
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   546
    module_dict: Dictionary in the form used by sys.modules.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   547
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   548
  for module_name in module_dict.keys():
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   549
    if not IsEncodingsModule(module_name):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   550
      del module_dict[module_name]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   551
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   552
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   553
def FakeURandom(n):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   554
  """Fake version of os.urandom."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   555
  bytes = ''
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   556
  for i in xrange(n):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   557
    bytes += chr(random.randint(0, 255))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   558
  return bytes
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   559
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   560
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   561
def FakeUname():
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   562
  """Fake version of os.uname."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   563
  return ('Linux', '', '', '', '')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   564
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   565
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   566
def IsPathInSubdirectories(filename,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   567
                           subdirectories,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   568
                           normcase=os.path.normcase):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   569
  """Determines if a filename is contained within one of a set of directories.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   570
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   571
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   572
    filename: Path of the file (relative or absolute).
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   573
    subdirectories: Iterable collection of paths to subdirectories which the
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   574
      given filename may be under.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   575
    normcase: Used for dependency injection.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   576
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   577
  Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   578
    True if the supplied filename is in one of the given sub-directories or
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   579
    its hierarchy of children. False otherwise.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   580
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   581
  file_dir = normcase(os.path.dirname(os.path.abspath(filename)))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   582
  for parent in subdirectories:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   583
    fixed_parent = normcase(os.path.abspath(parent))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   584
    if os.path.commonprefix([file_dir, fixed_parent]) == fixed_parent:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   585
      return True
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   586
  return False
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   587
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   588
SHARED_MODULE_PREFIXES = set([
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   589
  'google',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   590
  'logging',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   591
  'sys',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   592
  'warnings',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   593
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   594
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   595
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   596
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   597
  're',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   598
  'sre_compile',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   599
  'sre_constants',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   600
  'sre_parse',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   601
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   602
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   603
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   604
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   605
  'wsgiref',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   606
])
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   607
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   608
NOT_SHARED_MODULE_PREFIXES = set([
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   609
  'google.appengine.ext',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   610
])
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   611
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   612
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   613
def ModuleNameHasPrefix(module_name, prefix_set):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   614
  """Determines if a module's name belongs to a set of prefix strings.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   615
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   616
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   617
    module_name: String containing the fully qualified module name.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   618
    prefix_set: Iterable set of module name prefixes to check against.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   619
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   620
  Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   621
    True if the module_name belongs to the prefix set or is a submodule of
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   622
    any of the modules specified in the prefix_set. Otherwise False.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   623
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   624
  for prefix in prefix_set:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   625
    if prefix == module_name:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   626
      return True
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   627
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   628
    if module_name.startswith(prefix + '.'):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   629
      return True
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   630
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   631
  return False
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   632
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   633
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   634
def SetupSharedModules(module_dict):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   635
  """Creates a module dictionary for the hardened part of the process.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   636
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   637
  Module dictionary will contain modules that should be shared between the
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   638
  hardened and unhardened parts of the process.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   639
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   640
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   641
    module_dict: Module dictionary from which existing modules should be
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   642
      pulled (usually sys.modules).
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   643
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   644
  Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   645
    A new module dictionary.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   646
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   647
  output_dict = {}
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   648
  for module_name, module in module_dict.iteritems():
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   649
    if module is None:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   650
      continue
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   651
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   652
    if IsEncodingsModule(module_name):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   653
      output_dict[module_name] = module
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   654
      continue
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   655
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   656
    shared_prefix = ModuleNameHasPrefix(module_name, SHARED_MODULE_PREFIXES)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   657
    banned_prefix = ModuleNameHasPrefix(module_name, NOT_SHARED_MODULE_PREFIXES)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   658
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   659
    if shared_prefix and not banned_prefix:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   660
      output_dict[module_name] = module
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   661
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   662
  return output_dict
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   663
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   664
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   665
class FakeFile(file):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   666
  """File sub-class that enforces the security restrictions of the production
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   667
  environment.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   668
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   669
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   670
  ALLOWED_MODES = frozenset(['r', 'rb', 'U', 'rU'])
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   671
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   672
  ALLOWED_FILES = set(os.path.normcase(filename)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   673
                      for filename in mimetypes.knownfiles
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   674
                      if os.path.isfile(filename))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   675
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   676
  ALLOWED_DIRS = set([
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   677
    os.path.normcase(os.path.abspath(os.path.dirname(os.__file__)))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   678
  ])
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   679
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   680
  NOT_ALLOWED_DIRS = set([
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   681
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   682
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   683
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   684
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   685
    os.path.normcase(os.path.join(os.path.dirname(os.__file__),
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   686
                                  'site-packages'))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   687
  ])
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   688
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   689
  ALLOWED_SITE_PACKAGE_DIRS = set(
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   690
    os.path.normcase(os.path.abspath(os.path.join(
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   691
      os.path.dirname(os.__file__), 'site-packages', path)))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   692
    for path in [
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   693
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   694
  ])
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   695
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   696
  _application_paths = None
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   697
  _original_file = file
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   698
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   699
  @staticmethod
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   700
  def SetAllowedPaths(application_paths):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   701
    """Sets the root path of the application that is currently running.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   702
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   703
    Must be called at least once before any file objects are created in the
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   704
    hardened environment.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   705
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   706
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   707
      root_path: Path to the root of the application.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   708
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   709
    FakeFile._application_paths = set(os.path.abspath(path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   710
                                      for path in application_paths)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   711
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   712
  @staticmethod
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   713
  def IsFileAccessible(filename, normcase=os.path.normcase):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   714
    """Determines if a file's path is accessible.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   715
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   716
    SetAllowedPaths() must be called before this method or else all file
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   717
    accesses will raise an error.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   718
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   719
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   720
      filename: Path of the file to check (relative or absolute). May be a
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   721
        directory, in which case access for files inside that directory will
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   722
        be checked.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   723
      normcase: Used for dependency injection.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   724
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   725
    Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   726
      True if the file is accessible, False otherwise.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   727
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   728
    logical_filename = normcase(os.path.abspath(filename))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   729
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   730
    if os.path.isdir(logical_filename):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   731
      logical_filename = os.path.join(logical_filename, 'foo')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   732
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   733
    if logical_filename in FakeFile.ALLOWED_FILES:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   734
      return True
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   735
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   736
    if IsPathInSubdirectories(logical_filename,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   737
                              FakeFile.ALLOWED_SITE_PACKAGE_DIRS,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   738
                              normcase=normcase):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   739
      return True
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   740
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   741
    allowed_dirs = FakeFile._application_paths | FakeFile.ALLOWED_DIRS
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   742
    if (IsPathInSubdirectories(logical_filename,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   743
                               allowed_dirs,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   744
                               normcase=normcase) and
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   745
        not IsPathInSubdirectories(logical_filename,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   746
                                   FakeFile.NOT_ALLOWED_DIRS,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   747
                                   normcase=normcase)):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   748
      return True
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   749
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   750
    return False
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   751
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   752
  def __init__(self, filename, mode='r', **kwargs):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   753
    """Initializer. See file built-in documentation."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   754
    if mode not in FakeFile.ALLOWED_MODES:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   755
      raise IOError('invalid mode: %s' % mode)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   756
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   757
    if not FakeFile.IsFileAccessible(filename):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   758
      raise IOError(errno.EACCES, 'file not accessible')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   759
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   760
    super(FakeFile, self).__init__(filename, mode, **kwargs)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   761
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   762
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   763
class RestrictedPathFunction(object):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   764
  """Enforces access restrictions for functions that have a file or
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   765
  directory path as their first argument."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   766
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   767
  _original_os = os
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   768
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   769
  def __init__(self, original_func):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   770
    """Initializer.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   771
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   772
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   773
      original_func: Callable that takes as its first argument the path to a
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   774
        file or directory on disk; all subsequent arguments may be variable.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   775
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   776
    self._original_func = original_func
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   777
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   778
  def __call__(self, path, *args, **kwargs):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   779
    """Enforces access permissions for the function passed to the constructor.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   780
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   781
    if not FakeFile.IsFileAccessible(path):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   782
      raise OSError(errno.EACCES, 'path not accessible')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   783
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   784
    return self._original_func(path, *args, **kwargs)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   785
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   786
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   787
def GetSubmoduleName(fullname):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   788
  """Determines the leaf submodule name of a full module name.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   789
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   790
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   791
    fullname: Fully qualified module name, e.g. 'foo.bar.baz'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   792
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   793
  Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   794
    Submodule name, e.g. 'baz'. If the supplied module has no submodule (e.g.,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   795
    'stuff'), the returned value will just be that module name ('stuff').
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   796
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   797
  return fullname.rsplit('.', 1)[-1]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   798
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   799
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   800
class CouldNotFindModuleError(ImportError):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   801
  """Raised when a module could not be found.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   802
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   803
  In contrast to when a module has been found, but cannot be loaded because of
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   804
  hardening restrictions.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   805
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   806
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   807
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   808
def Trace(func):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   809
  """Decorator that logs the call stack of the HardenedModulesHook class as
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   810
  it executes, indenting logging messages based on the current stack depth.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   811
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   812
  def decorate(self, *args, **kwargs):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   813
    args_to_show = []
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   814
    if args is not None:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   815
      args_to_show.extend(str(argument) for argument in args)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   816
    if kwargs is not None:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   817
      args_to_show.extend('%s=%s' % (key, value)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   818
                          for key, value in kwargs.iteritems())
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   819
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   820
    args_string = ', '.join(args_to_show)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   821
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   822
    self.log('Entering %s(%s)', func.func_name, args_string)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   823
    self._indent_level += 1
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   824
    try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   825
      return func(self, *args, **kwargs)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   826
    finally:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   827
      self._indent_level -= 1
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   828
      self.log('Exiting %s(%s)', func.func_name, args_string)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   829
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   830
  return decorate
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   831
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   832
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   833
class HardenedModulesHook(object):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   834
  """Meta import hook that restricts the modules used by applications to match
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   835
  the production environment.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   836
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   837
  Module controls supported:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   838
  - Disallow native/extension modules from being loaded
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   839
  - Disallow built-in and/or Python-distributed modules from being loaded
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   840
  - Replace modules with completely empty modules
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   841
  - Override specific module attributes
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   842
  - Replace one module with another
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   843
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   844
  After creation, this object should be added to the front of the sys.meta_path
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   845
  list (which may need to be created). The sys.path_importer_cache dictionary
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   846
  should also be cleared, to prevent loading any non-restricted modules.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   847
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   848
  See PEP302 for more info on how this works:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   849
    http://www.python.org/dev/peps/pep-0302/
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   850
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   851
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   852
  ENABLE_LOGGING = False
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   853
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   854
  def log(self, message, *args):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   855
    """Logs an import-related message to stderr, with indentation based on
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   856
    current call-stack depth.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   857
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   858
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   859
      message: Logging format string.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   860
      args: Positional format parameters for the logging message.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   861
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   862
    if HardenedModulesHook.ENABLE_LOGGING:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   863
      indent = self._indent_level * '  '
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   864
      print >>sys.stderr, indent + (message % args)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   865
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   866
  EMPTY_MODULE_FILE = '<empty module>'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   867
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   868
  _WHITE_LIST_C_MODULES = [
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   869
    'array',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   870
    'binascii',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   871
    'bz2',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   872
    'cmath',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   873
    'collections',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   874
    'crypt',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   875
    'cStringIO',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   876
    'datetime',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   877
    'errno',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   878
    'exceptions',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   879
    'gc',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   880
    'itertools',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   881
    'math',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   882
    'md5',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   883
    'operator',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   884
    'posix',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   885
    'posixpath',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   886
    'pyexpat',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   887
    'sha',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   888
    'struct',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   889
    'sys',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   890
    'time',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   891
    'timing',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   892
    'unicodedata',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   893
    'zlib',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   894
    '_bisect',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   895
    '_codecs',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   896
    '_codecs_cn',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   897
    '_codecs_hk',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   898
    '_codecs_iso2022',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   899
    '_codecs_jp',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   900
    '_codecs_kr',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   901
    '_codecs_tw',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   902
    '_csv',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   903
    '_elementtree',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   904
    '_functools',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   905
    '_hashlib',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   906
    '_heapq',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   907
    '_locale',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   908
    '_lsprof',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   909
    '_md5',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   910
    '_multibytecodec',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   911
    '_random',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   912
    '_sha',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   913
    '_sha256',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   914
    '_sha512',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   915
    '_sre',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   916
    '_struct',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   917
    '_types',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   918
    '_weakref',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   919
    '__main__',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   920
  ]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   921
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   922
  _WHITE_LIST_PARTIAL_MODULES = {
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   923
    'gc': [
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   924
      'enable',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   925
      'disable',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   926
      'isenabled',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   927
      'collect',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   928
      'get_debug',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   929
      'set_threshold',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   930
      'get_threshold',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   931
      'get_count'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   932
    ],
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   933
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   934
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   935
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   936
    'os': [
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   937
      'altsep',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   938
      'curdir',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   939
      'defpath',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   940
      'devnull',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   941
      'environ',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   942
      'error',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   943
      'extsep',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   944
      'EX_NOHOST',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   945
      'EX_NOINPUT',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   946
      'EX_NOPERM',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   947
      'EX_NOUSER',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   948
      'EX_OK',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   949
      'EX_OSERR',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   950
      'EX_OSFILE',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   951
      'EX_PROTOCOL',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   952
      'EX_SOFTWARE',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   953
      'EX_TEMPFAIL',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   954
      'EX_UNAVAILABLE',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   955
      'EX_USAGE',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   956
      'F_OK',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   957
      'getcwd',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   958
      'getcwdu',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   959
      'getenv',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   960
      'listdir',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   961
      'lstat',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   962
      'name',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   963
      'NGROUPS_MAX',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   964
      'O_APPEND',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   965
      'O_CREAT',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   966
      'O_DIRECT',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   967
      'O_DIRECTORY',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   968
      'O_DSYNC',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   969
      'O_EXCL',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   970
      'O_LARGEFILE',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   971
      'O_NDELAY',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   972
      'O_NOCTTY',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   973
      'O_NOFOLLOW',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   974
      'O_NONBLOCK',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   975
      'O_RDONLY',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   976
      'O_RDWR',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   977
      'O_RSYNC',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   978
      'O_SYNC',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   979
      'O_TRUNC',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   980
      'O_WRONLY',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   981
      'pardir',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   982
      'path',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   983
      'pathsep',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   984
      'R_OK',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   985
      'SEEK_CUR',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   986
      'SEEK_END',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   987
      'SEEK_SET',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   988
      'sep',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   989
      'stat',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   990
      'stat_float_times',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   991
      'stat_result',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   992
      'strerror',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   993
      'TMP_MAX',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   994
      'urandom',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   995
      'walk',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   996
      'WCOREDUMP',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   997
      'WEXITSTATUS',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   998
      'WIFEXITED',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
   999
      'WIFSIGNALED',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1000
      'WIFSTOPPED',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1001
      'WNOHANG',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1002
      'WSTOPSIG',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1003
      'WTERMSIG',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1004
      'WUNTRACED',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1005
      'W_OK',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1006
      'X_OK',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1007
    ],
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1008
  }
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1009
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1010
  _EMPTY_MODULES = [
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1011
    'imp',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1012
    'ftplib',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1013
    'select',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1014
    'socket',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1015
    'tempfile',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1016
  ]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1017
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1018
  _MODULE_OVERRIDES = {
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1019
    'os': {
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1020
      'listdir': RestrictedPathFunction(os.listdir),
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1021
      'lstat': RestrictedPathFunction(os.lstat),
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1022
      'stat': RestrictedPathFunction(os.stat),
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1023
      'uname': FakeUname,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1024
      'urandom': FakeURandom,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1025
    },
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1026
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1027
    'socket': {
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1028
      'AF_INET': None,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1029
      'SOCK_STREAM': None,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1030
      'SOCK_DGRAM': None,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1031
    },
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1032
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1033
    'tempfile': {
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1034
      'TemporaryFile': FakeTemporaryFile,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1035
      'gettempdir': NotImplementedFake,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1036
      'gettempprefix': NotImplementedFake,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1037
      'mkdtemp': NotImplementedFake,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1038
      'mkstemp': NotImplementedFake,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1039
      'mktemp': NotImplementedFake,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1040
      'NamedTemporaryFile': NotImplementedFake,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1041
      'tempdir': NotImplementedFake,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1042
    },
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1043
  }
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1044
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1045
  _ENABLED_FILE_TYPES = (
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1046
    imp.PKG_DIRECTORY,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1047
    imp.PY_SOURCE,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1048
    imp.PY_COMPILED,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1049
    imp.C_BUILTIN,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1050
  )
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1051
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1052
  def __init__(self,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1053
               module_dict,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1054
               imp_module=imp,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1055
               os_module=os,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1056
               dummy_thread_module=dummy_thread,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1057
               pickle_module=pickle):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1058
    """Initializer.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1059
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1060
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1061
      module_dict: Module dictionary to use for managing system modules.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1062
        Should be sys.modules.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1063
      imp_module, os_module, dummy_thread_module, pickle_module: References to
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1064
        modules that exist in the dev_appserver that must be used by this class
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1065
        in order to function, even if these modules have been unloaded from
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1066
        sys.modules.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1067
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1068
    self._module_dict = module_dict
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1069
    self._imp = imp_module
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1070
    self._os = os_module
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1071
    self._dummy_thread = dummy_thread_module
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1072
    self._pickle = pickle
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1073
    self._indent_level = 0
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1074
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1075
  @Trace
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1076
  def find_module(self, fullname, path=None):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1077
    """See PEP 302."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1078
    if (fullname in ('cPickle', 'thread') or
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1079
        fullname in HardenedModulesHook._EMPTY_MODULES):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1080
      return self
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1081
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1082
    search_path = path
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1083
    all_modules = fullname.split('.')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1084
    try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1085
      for index, current_module in enumerate(all_modules):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1086
        current_module_fullname = '.'.join(all_modules[:index + 1])
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1087
        if current_module_fullname == fullname:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1088
          self.FindModuleRestricted(current_module,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1089
                                    current_module_fullname,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1090
                                    search_path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1091
        else:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1092
          if current_module_fullname in self._module_dict:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1093
            module = self._module_dict[current_module_fullname]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1094
          else:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1095
            module = self.FindAndLoadModule(current_module,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1096
                                            current_module_fullname,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1097
                                            search_path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1098
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1099
          if hasattr(module, '__path__'):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1100
            search_path = module.__path__
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1101
    except CouldNotFindModuleError:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1102
      return None
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1103
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1104
    return self
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1105
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1106
  @Trace
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1107
  def FixModule(self, module):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1108
    """Prunes and overrides restricted module attributes.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1110
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1111
      module: The module to prune. This should be a new module whose attributes
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1112
        reference back to the real module's __dict__ members.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1113
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1114
    if module.__name__ in self._WHITE_LIST_PARTIAL_MODULES:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1115
      allowed_symbols = self._WHITE_LIST_PARTIAL_MODULES[module.__name__]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1116
      for symbol in set(module.__dict__) - set(allowed_symbols):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1117
        if not (symbol.startswith('__') and symbol.endswith('__')):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1118
          del module.__dict__[symbol]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1119
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1120
    if module.__name__ in self._MODULE_OVERRIDES:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1121
      module.__dict__.update(self._MODULE_OVERRIDES[module.__name__])
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1122
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1123
  @Trace
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1124
  def FindModuleRestricted(self,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1125
                           submodule,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1126
                           submodule_fullname,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1127
                           search_path):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1128
    """Locates a module while enforcing module import restrictions.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1129
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1130
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1131
      submodule: The short name of the submodule (i.e., the last section of
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1132
        the fullname; for 'foo.bar' this would be 'bar').
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1133
      submodule_fullname: The fully qualified name of the module to find (e.g.,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1134
        'foo.bar').
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1135
      search_path: List of paths to search for to find this module. Should be
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1136
        None if the current sys.path should be used.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1137
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1138
    Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1139
      Tuple (source_file, pathname, description) where:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1140
        source_file: File-like object that contains the module; in the case
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1141
          of packages, this will be None, which implies to look at __init__.py.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1142
        pathname: String containing the full path of the module on disk.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1143
        description: Tuple returned by imp.find_module().
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1144
      However, in the case of an import using a path hook (e.g. a zipfile),
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1145
      source_file will be a PEP-302-style loader object, pathname will be None,
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1146
      and description will be a tuple filled with None values.
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1147
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1148
    Raises:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1149
      ImportError exception if the requested module was found, but importing
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1150
      it is disallowed.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1151
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1152
      CouldNotFindModuleError exception if the request module could not even
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1153
      be found for import.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1154
    """
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1155
    if search_path is None:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1156
      search_path = [None] + sys.path
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1157
    for path_entry in search_path:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1158
      result = self.FindPathHook(submodule, submodule_fullname, path_entry)
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1159
      if result is not None:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1160
        source_file, pathname, description = result
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1161
        if description == (None, None, None):
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1162
          return result
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1163
        else:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1164
          break
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1165
    else:
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1166
      self.log('Could not find module "%s"', submodule_fullname)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1167
      raise CouldNotFindModuleError()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1168
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1169
    suffix, mode, file_type = description
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1170
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1171
    if (file_type not in (self._imp.C_BUILTIN, self._imp.C_EXTENSION) and
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1172
        not FakeFile.IsFileAccessible(pathname)):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1173
      error_message = 'Access to module file denied: %s' % pathname
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1174
      logging.debug(error_message)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1175
      raise ImportError(error_message)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1176
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1177
    if (file_type not in self._ENABLED_FILE_TYPES and
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1178
        submodule not in self._WHITE_LIST_C_MODULES):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1179
      error_message = ('Could not import "%s": Disallowed C-extension '
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1180
                       'or built-in module' % submodule_fullname)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1181
      logging.debug(error_message)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1182
      raise ImportError(error_message)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1183
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1184
    return source_file, pathname, description
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1185
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1186
  def FindPathHook(self, submodule, submodule_fullname, path_entry):
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1187
    """Helper for FindModuleRestricted to find a module in a sys.path entry.
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1188
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1189
    Args:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1190
      submodule:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1191
      submodule_fullname:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1192
      path_entry: A single sys.path entry, or None representing the builtins.
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1193
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1194
    Returns:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1195
      Either None (if nothing was found), or a triple (source_file, path_name,
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1196
      description).  See the doc string for FindModuleRestricted() for the
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1197
      meaning of the latter.
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1198
    """
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1199
    if path_entry is None:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1200
      if submodule_fullname in sys.builtin_module_names:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1201
        try:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1202
          result = self._imp.find_module(submodule)
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1203
        except ImportError:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1204
          pass
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1205
        else:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1206
          source_file, pathname, description = result
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1207
          suffix, mode, file_type = description
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1208
          if file_type == self._imp.C_BUILTIN:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1209
            return result
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1210
      return None
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1211
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1212
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1213
    if path_entry in sys.path_importer_cache:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1214
      importer = sys.path_importer_cache[path_entry]
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1215
    else:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1216
      importer = None
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1217
      for hook in sys.path_hooks:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1218
        try:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1219
          importer = hook(path_entry)
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1220
          break
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1221
        except ImportError:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1222
          pass
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1223
      sys.path_importer_cache[path_entry] = importer
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1224
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1225
    if importer is None:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1226
      try:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1227
        return self._imp.find_module(submodule, [path_entry])
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1228
      except ImportError:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1229
        pass
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1230
    else:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1231
      loader = importer.find_module(submodule)
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1232
      if loader is not None:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1233
        return (loader, None, (None, None, None))
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1234
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1235
    return None
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1236
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1237
  @Trace
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1238
  def LoadModuleRestricted(self,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1239
                           submodule_fullname,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1240
                           source_file,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1241
                           pathname,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1242
                           description):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1243
    """Loads a module while enforcing module import restrictions.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1244
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1245
    As a byproduct, the new module will be added to the module dictionary.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1246
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1247
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1248
      submodule_fullname: The fully qualified name of the module to find (e.g.,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1249
        'foo.bar').
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1250
      source_file: File-like object that contains the module's source code,
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1251
        or a PEP-302-style loader object.
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1252
      pathname: String containing the full path of the module on disk.
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1253
      description: Tuple returned by imp.find_module(), or (None, None, None)
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1254
        in case source_file is a PEP-302-style loader object.
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1255
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1256
    Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1257
      The new module.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1258
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1259
    Raises:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1260
      ImportError exception of the specified module could not be loaded for
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1261
      whatever reason.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1262
    """
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1263
    if description == (None, None, None):
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1264
      return source_file.load_module(submodule_fullname)
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1265
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1266
    try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1267
      try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1268
        return self._imp.load_module(submodule_fullname,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1269
                                     source_file,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1270
                                     pathname,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1271
                                     description)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1272
      except:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1273
        if submodule_fullname in self._module_dict:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1274
          del self._module_dict[submodule_fullname]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1275
        raise
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1276
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1277
    finally:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1278
      if source_file is not None:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1279
        source_file.close()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1280
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1281
  @Trace
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1282
  def FindAndLoadModule(self,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1283
                        submodule,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1284
                        submodule_fullname,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1285
                        search_path):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1286
    """Finds and loads a module, loads it, and adds it to the module dictionary.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1287
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1288
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1289
      submodule: Name of the module to import (e.g., baz).
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1290
      submodule_fullname: Full name of the module to import (e.g., foo.bar.baz).
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1291
      search_path: Path to use for searching for this submodule. For top-level
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1292
        modules this should be None; otherwise it should be the __path__
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1293
        attribute from the parent package.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1294
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1295
    Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1296
      A new module instance that has been inserted into the module dictionary
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1297
      supplied to __init__.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1298
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1299
    Raises:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1300
      ImportError exception if the module could not be loaded for whatever
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1301
      reason (e.g., missing, not allowed).
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1302
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1303
    module = self._imp.new_module(submodule_fullname)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1304
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1305
    if submodule_fullname in self._EMPTY_MODULES:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1306
      module.__file__ = self.EMPTY_MODULE_FILE
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1307
    elif submodule_fullname == 'thread':
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1308
      module.__dict__.update(self._dummy_thread.__dict__)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1309
      module.__name__ = 'thread'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1310
    elif submodule_fullname == 'cPickle':
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1311
      module.__dict__.update(self._pickle.__dict__)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1312
      module.__name__ = 'cPickle'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1313
    elif submodule_fullname == 'os':
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1314
      module.__dict__.update(self._os.__dict__)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1315
      self._module_dict['os.path'] = module.path
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1316
    else:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1317
      source_file, pathname, description = self.FindModuleRestricted(submodule, submodule_fullname, search_path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1318
      module = self.LoadModuleRestricted(submodule_fullname,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1319
                                         source_file,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1320
                                         pathname,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1321
                                         description)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1322
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1323
    module.__loader__ = self
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1324
    self.FixModule(module)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1325
    if submodule_fullname not in self._module_dict:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1326
      self._module_dict[submodule_fullname] = module
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1327
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1328
    return module
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1329
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1330
  @Trace
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1331
  def GetParentPackage(self, fullname):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1332
    """Retrieves the parent package of a fully qualified module name.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1333
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1334
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1335
      fullname: Full name of the module whose parent should be retrieved (e.g.,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1336
        foo.bar).
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1337
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1338
    Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1339
      Module instance for the parent or None if there is no parent module.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1340
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1341
    Raise:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1342
      ImportError exception if the module's parent could not be found.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1343
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1344
    all_modules = fullname.split('.')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1345
    parent_module_fullname = '.'.join(all_modules[:-1])
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1346
    if parent_module_fullname:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1347
      if self.find_module(fullname) is None:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1348
        raise ImportError('Could not find module %s' % fullname)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1349
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1350
      return self._module_dict[parent_module_fullname]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1351
    return None
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1352
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1353
  @Trace
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1354
  def GetParentSearchPath(self, fullname):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1355
    """Determines the search path of a module's parent package.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1356
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1357
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1358
      fullname: Full name of the module to look up (e.g., foo.bar).
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1359
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1360
    Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1361
      Tuple (submodule, search_path) where:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1362
        submodule: The last portion of the module name from fullname (e.g.,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1363
          if fullname is foo.bar, then this is bar).
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1364
        search_path: List of paths that belong to the parent package's search
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1365
          path or None if there is no parent package.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1366
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1367
    Raises:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1368
      ImportError exception if the module or its parent could not be found.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1369
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1370
    submodule = GetSubmoduleName(fullname)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1371
    parent_package = self.GetParentPackage(fullname)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1372
    search_path = None
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1373
    if parent_package is not None and hasattr(parent_package, '__path__'):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1374
      search_path = parent_package.__path__
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1375
    return submodule, search_path
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1376
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1377
  @Trace
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1378
  def GetModuleInfo(self, fullname):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1379
    """Determines the path on disk and the search path of a module or package.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1380
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1381
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1382
      fullname: Full name of the module to look up (e.g., foo.bar).
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1383
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1384
    Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1385
      Tuple (pathname, search_path, submodule) where:
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1386
        pathname: String containing the full path of the module on disk,
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1387
          or None if the module wasn't loaded from disk (e.g. from a zipfile).
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1388
        search_path: List of paths that belong to the found package's search
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1389
          path or None if found module is not a package.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1390
        submodule: The relative name of the submodule that's being imported.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1391
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1392
    submodule, search_path = self.GetParentSearchPath(fullname)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1393
    source_file, pathname, description = self.FindModuleRestricted(submodule, fullname, search_path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1394
    suffix, mode, file_type = description
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1395
    module_search_path = None
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1396
    if file_type == self._imp.PKG_DIRECTORY:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1397
      module_search_path = [pathname]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1398
      pathname = os.path.join(pathname, '__init__%spy' % os.extsep)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1399
    return pathname, module_search_path, submodule
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1400
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1401
  @Trace
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1402
  def load_module(self, fullname):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1403
    """See PEP 302."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1404
    all_modules = fullname.split('.')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1405
    submodule = all_modules[-1]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1406
    parent_module_fullname = '.'.join(all_modules[:-1])
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1407
    search_path = None
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1408
    if parent_module_fullname and parent_module_fullname in self._module_dict:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1409
      parent_module = self._module_dict[parent_module_fullname]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1410
      if hasattr(parent_module, '__path__'):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1411
        search_path = parent_module.__path__
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1412
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1413
    return self.FindAndLoadModule(submodule, fullname, search_path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1414
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1415
  @Trace
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1416
  def is_package(self, fullname):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1417
    """See PEP 302 extensions."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1418
    submodule, search_path = self.GetParentSearchPath(fullname)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1419
    source_file, pathname, description = self.FindModuleRestricted(submodule, fullname, search_path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1420
    suffix, mode, file_type = description
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1421
    if file_type == self._imp.PKG_DIRECTORY:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1422
      return True
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1423
    return False
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1424
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1425
  @Trace
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1426
  def get_source(self, fullname):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1427
    """See PEP 302 extensions."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1428
    full_path, search_path, submodule = self.GetModuleInfo(fullname)
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1429
    if full_path is None:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1430
      return None
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1431
    source_file = open(full_path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1432
    try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1433
      return source_file.read()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1434
    finally:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1435
      source_file.close()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1436
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1437
  @Trace
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1438
  def get_code(self, fullname):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1439
    """See PEP 302 extensions."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1440
    full_path, search_path, submodule = self.GetModuleInfo(fullname)
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1441
    if full_path is None:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1442
      return None
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1443
    source_file = open(full_path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1444
    try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1445
      source_code = source_file.read()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1446
    finally:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1447
      source_file.close()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1448
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1449
    source_code = source_code.replace('\r\n', '\n')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1450
    if not source_code.endswith('\n'):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1451
      source_code += '\n'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1452
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1453
    return compile(source_code, full_path, 'exec')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1454
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1455
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1456
def ModuleHasValidMainFunction(module):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1457
  """Determines if a module has a main function that takes no arguments.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1458
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1459
  This includes functions that have arguments with defaults that are all
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1460
  assigned, thus requiring no additional arguments in order to be called.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1461
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1462
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1463
    module: A types.ModuleType instance.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1464
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1465
  Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1466
    True if the module has a valid, reusable main function; False otherwise.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1467
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1468
  if hasattr(module, 'main') and type(module.main) is types.FunctionType:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1469
    arg_names, var_args, var_kwargs, default_values = inspect.getargspec(module.main)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1470
    if len(arg_names) == 0:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1471
      return True
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1472
    if default_values is not None and len(arg_names) == len(default_values):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1473
      return True
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1474
  return False
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1475
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1476
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1477
def GetScriptModuleName(handler_path):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1478
  """Determines the fully-qualified Python module name of a script on disk.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1479
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1480
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1481
    handler_path: CGI path stored in the application configuration (as a path
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1482
      like 'foo/bar/baz.py'). May contain $PYTHON_LIB references.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1483
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1484
  Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1485
    String containing the corresponding module name (e.g., 'foo.bar.baz').
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1486
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1487
  if handler_path.startswith(PYTHON_LIB_VAR + '/'):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1488
    handler_path = handler_path[len(PYTHON_LIB_VAR):]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1489
  handler_path = os.path.normpath(handler_path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1490
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1491
  extension_index = handler_path.rfind('.py')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1492
  if extension_index != -1:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1493
    handler_path = handler_path[:extension_index]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1494
  module_fullname = handler_path.replace(os.sep, '.')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1495
  module_fullname = module_fullname.strip('.')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1496
  module_fullname = re.sub('\.+', '.', module_fullname)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1497
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1498
  if module_fullname.endswith('.__init__'):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1499
    module_fullname = module_fullname[:-len('.__init__')]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1500
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1501
  return module_fullname
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1502
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1503
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1504
def FindMissingInitFiles(cgi_path, module_fullname, isfile=os.path.isfile):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1505
  """Determines which __init__.py files are missing from a module's parent
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1506
  packages.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1507
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1508
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1509
    cgi_path: Absolute path of the CGI module file on disk.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1510
    module_fullname: Fully qualified Python module name used to import the
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1511
      cgi_path module.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1512
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1513
  Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1514
    List containing the paths to the missing __init__.py files.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1515
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1516
  missing_init_files = []
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1517
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1518
  if cgi_path.endswith('.py'):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1519
    module_base = os.path.dirname(cgi_path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1520
  else:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1521
    module_base = cgi_path
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1522
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1523
  depth_count = module_fullname.count('.')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1524
  if cgi_path.endswith('__init__.py') or not cgi_path.endswith('.py'):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1525
    depth_count += 1
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1526
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1527
  for index in xrange(depth_count):
209
4ba836d74829 Load ../../google_appengine/ into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 149
diff changeset
  1528
    current_init_file = os.path.abspath(
4ba836d74829 Load ../../google_appengine/ into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 149
diff changeset
  1529
        os.path.join(module_base, '__init__.py'))
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1530
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1531
    if not isfile(current_init_file):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1532
      missing_init_files.append(current_init_file)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1533
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1534
    module_base = os.path.abspath(os.path.join(module_base, os.pardir))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1535
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1536
  return missing_init_files
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1537
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1538
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1539
def LoadTargetModule(handler_path,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1540
                     cgi_path,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1541
                     import_hook,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1542
                     module_dict=sys.modules):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1543
  """Loads a target CGI script by importing it as a Python module.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1544
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1545
  If the module for the target CGI script has already been loaded before,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1546
  the new module will be loaded in its place using the same module object,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1547
  possibly overwriting existing module attributes.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1548
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1549
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1550
    handler_path: CGI path stored in the application configuration (as a path
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1551
      like 'foo/bar/baz.py'). Should not have $PYTHON_LIB references.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1552
    cgi_path: Absolute path to the CGI script file on disk.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1553
    import_hook: Instance of HardenedModulesHook to use for module loading.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1554
    module_dict: Used for dependency injection.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1555
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1556
  Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1557
    Tuple (module_fullname, script_module, module_code) where:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1558
      module_fullname: Fully qualified module name used to import the script.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1559
      script_module: The ModuleType object corresponding to the module_fullname.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1560
        If the module has not already been loaded, this will be an empty
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1561
        shell of a module.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1562
      module_code: Code object (returned by compile built-in) corresponding
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1563
        to the cgi_path to run. If the script_module was previously loaded
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1564
        and has a main() function that can be reused, this will be None.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1565
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1566
  module_fullname = GetScriptModuleName(handler_path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1567
  script_module = module_dict.get(module_fullname)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1568
  module_code = None
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1569
  if script_module != None and ModuleHasValidMainFunction(script_module):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1570
    logging.debug('Reusing main() function of module "%s"', module_fullname)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1571
  else:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1572
    if script_module is None:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1573
      script_module = imp.new_module(module_fullname)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1574
      script_module.__loader__ = import_hook
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1575
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1576
    try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1577
      module_code = import_hook.get_code(module_fullname)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1578
      full_path, search_path, submodule = import_hook.GetModuleInfo(module_fullname)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1579
      script_module.__file__ = full_path
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1580
      if search_path is not None:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1581
        script_module.__path__ = search_path
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1582
    except:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1583
      exc_type, exc_value, exc_tb = sys.exc_info()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1584
      import_error_message = str(exc_type)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1585
      if exc_value:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1586
        import_error_message += ': ' + str(exc_value)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1587
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1588
      logging.exception('Encountered error loading module "%s": %s',
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1589
                    module_fullname, import_error_message)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1590
      missing_inits = FindMissingInitFiles(cgi_path, module_fullname)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1591
      if missing_inits:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1592
        logging.warning('Missing package initialization files: %s',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1593
                        ', '.join(missing_inits))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1594
      else:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1595
        logging.error('Parent package initialization files are present, '
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1596
                      'but must be broken')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1597
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1598
      independent_load_successful = True
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1599
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1600
      if not os.path.isfile(cgi_path):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1601
        independent_load_successful = False
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1602
      else:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1603
        try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1604
          source_file = open(cgi_path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1605
          try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1606
            module_code = compile(source_file.read(), cgi_path, 'exec')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1607
            script_module.__file__ = cgi_path
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1608
          finally:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1609
            source_file.close()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1610
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1611
        except OSError:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1612
          independent_load_successful = False
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1613
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1614
      if not independent_load_successful:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1615
        raise exc_type, exc_value, exc_tb
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1616
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1617
    module_dict[module_fullname] = script_module
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1618
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1619
  return module_fullname, script_module, module_code
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1620
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1621
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1622
def ExecuteOrImportScript(handler_path, cgi_path, import_hook):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1623
  """Executes a CGI script by importing it as a new module; possibly reuses
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1624
  the module's main() function if it is defined and takes no arguments.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1625
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1626
  Basic technique lifted from PEP 338 and Python2.5's runpy module. See:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1627
    http://www.python.org/dev/peps/pep-0338/
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1628
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1629
  See the section entitled "Import Statements and the Main Module" to understand
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1630
  why a module named '__main__' cannot do relative imports. To get around this,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1631
  the requested module's path could be added to sys.path on each request.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1632
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1633
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1634
    handler_path: CGI path stored in the application configuration (as a path
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1635
      like 'foo/bar/baz.py'). Should not have $PYTHON_LIB references.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1636
    cgi_path: Absolute path to the CGI script file on disk.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1637
    import_hook: Instance of HardenedModulesHook to use for module loading.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1638
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1639
  Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1640
    True if the response code had an error status (e.g., 404), or False if it
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1641
    did not.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1642
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1643
  Raises:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1644
    Any kind of exception that could have been raised when loading the target
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1645
    module, running a target script, or executing the application code itself.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1646
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1647
  module_fullname, script_module, module_code = LoadTargetModule(
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1648
      handler_path, cgi_path, import_hook)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1649
  script_module.__name__ = '__main__'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1650
  sys.modules['__main__'] = script_module
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1651
  try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1652
    if module_code:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1653
      exec module_code in script_module.__dict__
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1654
    else:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1655
      script_module.main()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1656
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1657
    sys.stdout.flush()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1658
    sys.stdout.seek(0)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1659
    try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1660
      headers = mimetools.Message(sys.stdout)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1661
    finally:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1662
      sys.stdout.seek(0, 2)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1663
    status_header = headers.get('status')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1664
    error_response = False
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1665
    if status_header:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1666
      try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1667
        status_code = int(status_header.split(' ', 1)[0])
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1668
        error_response = status_code >= 400
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1669
      except ValueError:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1670
        error_response = True
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1671
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1672
    if not error_response:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1673
      try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1674
        parent_package = import_hook.GetParentPackage(module_fullname)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1675
      except Exception:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1676
        parent_package = None
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1677
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1678
      if parent_package is not None:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1679
        submodule = GetSubmoduleName(module_fullname)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1680
        setattr(parent_package, submodule, script_module)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1681
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1682
    return error_response
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1683
  finally:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1684
    script_module.__name__ = module_fullname
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1685
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1686
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1687
def ExecuteCGI(root_path,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1688
               handler_path,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1689
               cgi_path,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1690
               env,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1691
               infile,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1692
               outfile,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1693
               module_dict,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1694
               exec_script=ExecuteOrImportScript):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1695
  """Executes Python file in this process as if it were a CGI.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1696
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1697
  Does not return an HTTP response line. CGIs should output headers followed by
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1698
  the body content.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1699
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1700
  The modules in sys.modules should be the same before and after the CGI is
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1701
  executed, with the specific exception of encodings-related modules, which
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1702
  cannot be reloaded and thus must always stay in sys.modules.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1703
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1704
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1705
    root_path: Path to the root of the application.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1706
    handler_path: CGI path stored in the application configuration (as a path
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1707
      like 'foo/bar/baz.py'). May contain $PYTHON_LIB references.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1708
    cgi_path: Absolute path to the CGI script file on disk.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1709
    env: Dictionary of environment variables to use for the execution.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1710
    infile: File-like object to read HTTP request input data from.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1711
    outfile: FIle-like object to write HTTP response data to.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1712
    module_dict: Dictionary in which application-loaded modules should be
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1713
      preserved between requests. This removes the need to reload modules that
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1714
      are reused between requests, significantly increasing load performance.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1715
      This dictionary must be separate from the sys.modules dictionary.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1716
    exec_script: Used for dependency injection.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1717
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1718
  old_module_dict = sys.modules.copy()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1719
  old_builtin = __builtin__.__dict__.copy()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1720
  old_argv = sys.argv
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1721
  old_stdin = sys.stdin
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1722
  old_stdout = sys.stdout
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1723
  old_env = os.environ.copy()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1724
  old_cwd = os.getcwd()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1725
  old_file_type = types.FileType
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1726
  reset_modules = False
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1727
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1728
  try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1729
    ClearAllButEncodingsModules(sys.modules)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1730
    sys.modules.update(module_dict)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1731
    sys.argv = [cgi_path]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1732
    sys.stdin = infile
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1733
    sys.stdout = outfile
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1734
    os.environ.clear()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1735
    os.environ.update(env)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1736
    before_path = sys.path[:]
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1737
    cgi_dir = os.path.normpath(os.path.dirname(cgi_path))
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1738
    root_path = os.path.normpath(os.path.abspath(root_path))
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1739
    if cgi_dir.startswith(root_path + os.sep):
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1740
      os.chdir(cgi_dir)
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1741
    else:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1742
      os.chdir(root_path)
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1743
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1744
    hook = HardenedModulesHook(sys.modules)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1745
    sys.meta_path = [hook]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1746
    if hasattr(sys, 'path_importer_cache'):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1747
      sys.path_importer_cache.clear()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1748
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1749
    __builtin__.file = FakeFile
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1750
    __builtin__.open = FakeFile
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1751
    types.FileType = FakeFile
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1752
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1753
    __builtin__.buffer = NotImplementedFake
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1754
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1755
    logging.debug('Executing CGI with env:\n%s', pprint.pformat(env))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1756
    try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1757
      reset_modules = exec_script(handler_path, cgi_path, hook)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1758
    except SystemExit, e:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1759
      logging.debug('CGI exited with status: %s', e)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1760
    except:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1761
      reset_modules = True
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1762
      raise
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1763
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1764
  finally:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1765
    sys.meta_path = []
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1766
    sys.path_importer_cache.clear()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1767
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1768
    _ClearTemplateCache(sys.modules)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1769
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1770
    module_dict.update(sys.modules)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1771
    ClearAllButEncodingsModules(sys.modules)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1772
    sys.modules.update(old_module_dict)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1773
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1774
    __builtin__.__dict__.update(old_builtin)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1775
    sys.argv = old_argv
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1776
    sys.stdin = old_stdin
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1777
    sys.stdout = old_stdout
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1778
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1779
    sys.path[:] = before_path
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1780
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1781
    os.environ.clear()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1782
    os.environ.update(old_env)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1783
    os.chdir(old_cwd)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1784
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1785
    types.FileType = old_file_type
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1786
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1787
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1788
class CGIDispatcher(URLDispatcher):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1789
  """Dispatcher that executes Python CGI scripts."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1790
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1791
  def __init__(self,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1792
               module_dict,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1793
               root_path,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1794
               path_adjuster,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1795
               setup_env=SetupEnvironment,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1796
               exec_cgi=ExecuteCGI,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1797
               create_logging_handler=ApplicationLoggingHandler):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1798
    """Initializer.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1799
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1800
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1801
      module_dict: Dictionary in which application-loaded modules should be
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1802
        preserved between requests. This dictionary must be separate from the
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1803
        sys.modules dictionary.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1804
      path_adjuster: Instance of PathAdjuster to use for finding absolute
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1805
        paths of CGI files on disk.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1806
      setup_env, exec_cgi, create_logging_handler: Used for dependency
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1807
        injection.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1808
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1809
    self._module_dict = module_dict
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1810
    self._root_path = root_path
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1811
    self._path_adjuster = path_adjuster
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1812
    self._setup_env = setup_env
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1813
    self._exec_cgi = exec_cgi
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1814
    self._create_logging_handler = create_logging_handler
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1815
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1816
  def Dispatch(self,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1817
               relative_url,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1818
               path,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1819
               headers,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1820
               infile,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1821
               outfile,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1822
               base_env_dict=None):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1823
    """Dispatches the Python CGI."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1824
    handler = self._create_logging_handler()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1825
    logging.getLogger().addHandler(handler)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1826
    before_level = logging.root.level
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1827
    try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1828
      env = {}
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1829
      if base_env_dict:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1830
        env.update(base_env_dict)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1831
      cgi_path = self._path_adjuster.AdjustPath(path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1832
      env.update(self._setup_env(cgi_path, relative_url, headers))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1833
      self._exec_cgi(self._root_path,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1834
                     path,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1835
                     cgi_path,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1836
                     env,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1837
                     infile,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1838
                     outfile,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1839
                     self._module_dict)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1840
      handler.AddDebuggingConsole(relative_url, env, outfile)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1841
    finally:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1842
      logging.root.level = before_level
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1843
      logging.getLogger().removeHandler(handler)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1844
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1845
  def __str__(self):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1846
    """Returns a string representation of this dispatcher."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1847
    return 'CGI dispatcher'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1848
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1849
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1850
class LocalCGIDispatcher(CGIDispatcher):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1851
  """Dispatcher that executes local functions like they're CGIs.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1852
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1853
  The contents of sys.modules will be preserved for local CGIs running this
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1854
  dispatcher, but module hardening will still occur for any new imports. Thus,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1855
  be sure that any local CGIs have loaded all of their dependent modules
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1856
  _before_ they are executed.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1857
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1858
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1859
  def __init__(self, module_dict, path_adjuster, cgi_func):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1860
    """Initializer.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1861
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1862
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1863
      module_dict: Passed to CGIDispatcher.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1864
      path_adjuster: Passed to CGIDispatcher.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1865
      cgi_func: Callable function taking no parameters that should be
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1866
        executed in a CGI environment in the current process.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1867
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1868
    self._cgi_func = cgi_func
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1869
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1870
    def curried_exec_script(*args, **kwargs):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1871
      cgi_func()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1872
      return False
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1873
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1874
    def curried_exec_cgi(*args, **kwargs):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1875
      kwargs['exec_script'] = curried_exec_script
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1876
      return ExecuteCGI(*args, **kwargs)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1877
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1878
    CGIDispatcher.__init__(self,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1879
                           module_dict,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1880
                           '',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1881
                           path_adjuster,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1882
                           exec_cgi=curried_exec_cgi)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1883
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1884
  def Dispatch(self, *args, **kwargs):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1885
    """Preserves sys.modules for CGIDispatcher.Dispatch."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1886
    self._module_dict.update(sys.modules)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1887
    CGIDispatcher.Dispatch(self, *args, **kwargs)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1888
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1889
  def __str__(self):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1890
    """Returns a string representation of this dispatcher."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1891
    return 'Local CGI dispatcher for %s' % self._cgi_func
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1892
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1893
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1894
class PathAdjuster(object):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1895
  """Adjusts application file paths to paths relative to the application or
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1896
  external library directories."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1897
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1898
  def __init__(self, root_path):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1899
    """Initializer.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1900
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1901
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1902
      root_path: Path to the root of the application running on the server.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1903
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1904
    self._root_path = os.path.abspath(root_path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1905
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1906
  def AdjustPath(self, path):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1907
    """Adjusts application file path to paths relative to the application or
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1908
    external library directories.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1909
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1910
    Handler paths that start with $PYTHON_LIB will be converted to paths
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1911
    relative to the google directory.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1912
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1913
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1914
      path: File path that should be adjusted.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1915
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1916
    Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1917
      The adjusted path.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1918
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1919
    if path.startswith(PYTHON_LIB_VAR):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1920
      path = os.path.join(os.path.dirname(os.path.dirname(google.__file__)),
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1921
                          path[len(PYTHON_LIB_VAR) + 1:])
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1922
    else:
209
4ba836d74829 Load ../../google_appengine/ into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 149
diff changeset
  1923
      if os.path.sep == '\\':
4ba836d74829 Load ../../google_appengine/ into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 149
diff changeset
  1924
        root = self._root_path.replace('\\', '\\\\')
4ba836d74829 Load ../../google_appengine/ into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 149
diff changeset
  1925
        if root.endswith('\\'):
4ba836d74829 Load ../../google_appengine/ into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 149
diff changeset
  1926
          path = root + path
4ba836d74829 Load ../../google_appengine/ into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 149
diff changeset
  1927
        else:
4ba836d74829 Load ../../google_appengine/ into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 149
diff changeset
  1928
          path = root + '\\\\' + path
4ba836d74829 Load ../../google_appengine/ into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 149
diff changeset
  1929
      else:
4ba836d74829 Load ../../google_appengine/ into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 149
diff changeset
  1930
        path = os.path.join(self._root_path, path)
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1931
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1932
    return path
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1933
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1934
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1935
class StaticFileConfigMatcher(object):
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1936
  """Keeps track of file/directory specific application configuration.
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1937
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1938
  Specifically:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1939
  - Computes mime type based on URLMap and file extension.
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1940
  - Decides on cache expiration time based on URLMap and default expiration.
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1941
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1942
  To determine the mime type, we first see if there is any mime-type property
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1943
  on each URLMap entry. If non is specified, we use the mimetypes module to
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1944
  guess the mime type from the file path extension, and use
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1945
  application/octet-stream if we can't find the mimetype.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1946
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1947
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1948
  def __init__(self,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1949
               url_map_list,
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1950
               path_adjuster,
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1951
               default_expiration):
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1952
    """Initializer.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1953
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1954
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1955
      url_map_list: List of appinfo.URLMap objects.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1956
        If empty or None, then we always use the mime type chosen by the
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1957
        mimetypes module.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1958
      path_adjuster: PathAdjuster object used to adjust application file paths.
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1959
      default_expiration: String describing default expiration time for browser
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1960
        based caching of static files.  If set to None this disallows any
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1961
        browser caching of static content.
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1962
    """
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1963
    if default_expiration is not None:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1964
      self._default_expiration = appinfo.ParseExpiration(default_expiration)
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1965
    else:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1966
      self._default_expiration = None
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1967
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1968
    self._patterns = []
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1969
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1970
    if url_map_list:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1971
      for entry in url_map_list:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1972
        handler_type = entry.GetHandlerType()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1973
        if handler_type not in (appinfo.STATIC_FILES, appinfo.STATIC_DIR):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1974
          continue
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1975
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1976
        if handler_type == appinfo.STATIC_FILES:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1977
          regex = entry.upload
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1978
        else:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1979
          static_dir = entry.static_dir
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1980
          if static_dir[-1] == '/':
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1981
            static_dir = static_dir[:-1]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1982
          regex = '/'.join((entry.static_dir, r'(.*)'))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1983
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1984
        adjusted_regex = r'^%s$' % path_adjuster.AdjustPath(regex)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1985
        try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1986
          path_re = re.compile(adjusted_regex)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1987
        except re.error, e:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1988
          raise InvalidAppConfigError('regex does not compile: %s' % e)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1989
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1990
        if self._default_expiration is None:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1991
          expiration = 0
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1992
        elif entry.expiration is None:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1993
          expiration = self._default_expiration
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1994
        else:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1995
          expiration = appinfo.ParseExpiration(entry.expiration)
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1996
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  1997
        self._patterns.append((path_re, entry.mime_type, expiration))
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1998
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  1999
  def GetMimeType(self, path):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2000
    """Returns the mime type that we should use when serving the specified file.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2001
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2002
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2003
      path: String containing the file's path on disk.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2004
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2005
    Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2006
      String containing the mime type to use. Will be 'application/octet-stream'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2007
      if we have no idea what it should be.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2008
    """
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2009
    for (path_re, mime_type, expiration) in self._patterns:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2010
      if mime_type is not None:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2011
        the_match = path_re.match(path)
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2012
        if the_match:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2013
          return mime_type
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2014
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2015
    filename, extension = os.path.splitext(path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2016
    return mimetypes.types_map.get(extension, 'application/octet-stream')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2017
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2018
  def GetExpiration(self, path):
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2019
    """Returns the cache expiration duration to be users for the given file.
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2020
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2021
    Args:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2022
      path: String containing the file's path on disk.
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2023
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2024
    Returns:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2025
      Integer number of seconds to be used for browser cache expiration time.
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2026
    """
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2027
    for (path_re, mime_type, expiration) in self._patterns:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2028
      the_match = path_re.match(path)
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2029
      if the_match:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2030
        return expiration
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2031
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2032
    return self._default_expiration or 0
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2033
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2034
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2035
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2036
def ReadDataFile(data_path, openfile=file):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2037
  """Reads a file on disk, returning a corresponding HTTP status and data.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2038
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2039
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2040
    data_path: Path to the file on disk to read.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2041
    openfile: Used for dependency injection.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2042
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2043
  Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2044
    Tuple (status, data) where status is an HTTP response code, and data is
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2045
      the data read; will be an empty string if an error occurred or the
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2046
      file was empty.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2047
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2048
  status = httplib.INTERNAL_SERVER_ERROR
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2049
  data = ""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2050
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2051
  try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2052
    data_file = openfile(data_path, 'rb')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2053
    try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2054
      data = data_file.read()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2055
    finally:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2056
      data_file.close()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2057
      status = httplib.OK
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2058
  except (OSError, IOError), e:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2059
    logging.error('Error encountered reading file "%s":\n%s', data_path, e)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2060
    if e.errno in FILE_MISSING_EXCEPTIONS:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2061
      status = httplib.NOT_FOUND
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2062
    else:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2063
      status = httplib.FORBIDDEN
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2064
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2065
  return status, data
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2066
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2067
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2068
class FileDispatcher(URLDispatcher):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2069
  """Dispatcher that reads data files from disk."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2070
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2071
  def __init__(self,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2072
               path_adjuster,
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2073
               static_file_config_matcher,
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2074
               read_data_file=ReadDataFile):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2075
    """Initializer.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2076
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2077
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2078
      path_adjuster: Instance of PathAdjuster to use for finding absolute
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2079
        paths of data files on disk.
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2080
      static_file_config_matcher: StaticFileConfigMatcher object.
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2081
      read_data_file: Used for dependency injection.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2082
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2083
    self._path_adjuster = path_adjuster
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2084
    self._static_file_config_matcher = static_file_config_matcher
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2085
    self._read_data_file = read_data_file
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2086
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2087
  def Dispatch(self,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2088
               relative_url,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2089
               path,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2090
               headers,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2091
               infile,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2092
               outfile,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2093
               base_env_dict=None):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2094
    """Reads the file and returns the response status and data."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2095
    full_path = self._path_adjuster.AdjustPath(path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2096
    status, data = self._read_data_file(full_path)
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2097
    content_type = self._static_file_config_matcher.GetMimeType(full_path)
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2098
    expiration = self._static_file_config_matcher.GetExpiration(full_path)
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2099
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2100
    outfile.write('Status: %d\r\n' % status)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2101
    outfile.write('Content-type: %s\r\n' % content_type)
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2102
    if expiration:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2103
      outfile.write('Expires: %s\r\n'
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2104
                    % email.Utils.formatdate(time.time() + expiration,
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2105
                                             usegmt=True))
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2106
      outfile.write('Cache-Control: public, max-age=%i\r\n' % expiration)
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2107
    outfile.write('\r\n')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2108
    outfile.write(data)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2110
  def __str__(self):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2111
    """Returns a string representation of this dispatcher."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2112
    return 'File dispatcher'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2113
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2114
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2115
def RewriteResponse(response_file):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2116
  """Interprets server-side headers and adjusts the HTTP response accordingly.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2117
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2118
  Handles the server-side 'status' header, which instructs the server to change
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2119
  the HTTP response code accordingly. Handles the 'location' header, which
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2120
  issues an HTTP 302 redirect to the client. Also corrects the 'content-length'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2121
  header to reflect actual content length in case extra information has been
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2122
  appended to the response body.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2123
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2124
  If the 'status' header supplied by the client is invalid, this method will
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2125
  set the response to a 500 with an error message as content.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2126
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2127
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2128
    response_file: File-like object containing the full HTTP response including
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2129
      the response code, all headers, and the request body.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2130
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2131
  Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2132
    Tuple (status_code, status_message, header, body) where:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2133
      status_code: Integer HTTP response status (e.g., 200, 302, 404, 500)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2134
      status_message: String containing an informational message about the
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2135
        response code, possibly derived from the 'status' header, if supplied.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2136
      header: String containing the HTTP headers of the response, without
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2137
        a trailing new-line (CRLF).
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2138
      body: String containing the body of the response.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2139
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2140
  headers = mimetools.Message(response_file)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2141
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2142
  response_status = '%d Good to go' % httplib.OK
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2143
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2144
  location_value = headers.getheader('location')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2145
  status_value = headers.getheader('status')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2146
  if status_value:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2147
    response_status = status_value
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2148
    del headers['status']
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2149
  elif location_value:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2150
    response_status = '%d Redirecting' % httplib.FOUND
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2151
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2152
  if not 'Cache-Control' in headers:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2153
    headers['Cache-Control'] = 'no-cache'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2154
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2155
  status_parts = response_status.split(' ', 1)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2156
  status_code, status_message = (status_parts + [''])[:2]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2157
  try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2158
    status_code = int(status_code)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2159
  except ValueError:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2160
    status_code = 500
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2161
    body = 'Error: Invalid "status" header value returned.'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2162
  else:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2163
    body = response_file.read()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2164
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2165
  headers['content-length'] = str(len(body))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2166
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2167
  header_list = []
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2168
  for header in headers.headers:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2169
    header = header.rstrip('\n')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2170
    header = header.rstrip('\r')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2171
    header_list.append(header)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2172
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2173
  header_data = '\r\n'.join(header_list) + '\r\n'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2174
  return status_code, status_message, header_data, body
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2175
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2176
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2177
class ModuleManager(object):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2178
  """Manages loaded modules in the runtime.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2179
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2180
  Responsible for monitoring and reporting about file modification times.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2181
  Modules can be loaded from source or precompiled byte-code files.  When a
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2182
  file has source code, the ModuleManager monitors the modification time of
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2183
  the source file even if the module itself is loaded from byte-code.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2184
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2185
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2186
  def __init__(self, modules):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2187
    """Initializer.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2188
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2189
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2190
      modules: Dictionary containing monitored modules.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2191
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2192
    self._modules = modules
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2193
    self._default_modules = self._modules.copy()
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2194
    self._save_path_hooks = sys.path_hooks[:]
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2195
    self._modification_times = {}
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2196
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2197
  @staticmethod
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2198
  def GetModuleFile(module, is_file=os.path.isfile):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2199
    """Helper method to try to determine modules source file.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2200
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2201
    Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2202
      module: Module object to get file for.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2203
      is_file: Function used to determine if a given path is a file.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2204
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2205
    Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2206
      Path of the module's corresponding Python source file if it exists, or
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2207
      just the module's compiled Python file. If the module has an invalid
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2208
      __file__ attribute, None will be returned.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2209
      """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2210
    module_file = getattr(module, '__file__', None)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2211
    if not module_file or module_file == HardenedModulesHook.EMPTY_MODULE_FILE:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2212
      return None
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2213
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2214
    source_file = module_file[:module_file.rfind('py') + 2]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2215
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2216
    if is_file(source_file):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2217
      return source_file
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2218
    return module.__file__
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2219
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2220
  def AreModuleFilesModified(self):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2221
    """Determines if any monitored files have been modified.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2222
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2223
    Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2224
      True if one or more files have been modified, False otherwise.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2225
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2226
    for name, (mtime, fname) in self._modification_times.iteritems():
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2227
      if name not in self._modules:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2228
        continue
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2229
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2230
      module = self._modules[name]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2231
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2232
      if not os.path.isfile(fname):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2233
        return True
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2234
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2235
      if mtime != os.path.getmtime(fname):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2236
        return True
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2237
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2238
    return False
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2239
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2240
  def UpdateModuleFileModificationTimes(self):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2241
    """Records the current modification times of all monitored modules.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2242
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2243
    self._modification_times.clear()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2244
    for name, module in self._modules.items():
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2245
      if not isinstance(module, types.ModuleType):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2246
        continue
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2247
      module_file = self.GetModuleFile(module)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2248
      if not module_file:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2249
        continue
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2250
      try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2251
        self._modification_times[name] = (os.path.getmtime(module_file),
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2252
                                          module_file)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2253
      except OSError, e:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2254
        if e.errno not in FILE_MISSING_EXCEPTIONS:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2255
          raise e
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2256
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2257
  def ResetModules(self):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2258
    """Clear modules so that when request is run they are reloaded."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2259
    self._modules.clear()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2260
    self._modules.update(self._default_modules)
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2261
    sys.path_hooks[:] = self._save_path_hooks
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2262
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2263
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2264
def _ClearTemplateCache(module_dict=sys.modules):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2265
  """Clear template cache in webapp.template module.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2266
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2267
  Attempts to load template module.  Ignores failure.  If module loads, the
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2268
  template cache is cleared.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2269
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2270
  template_module = module_dict.get('google.appengine.ext.webapp.template')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2271
  if template_module is not None:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2272
    template_module.template_cache.clear()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2273
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2274
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2275
def CreateRequestHandler(root_path, login_url, require_indexes=False,
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2276
                         static_caching=True):
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2277
  """Creates a new BaseHTTPRequestHandler sub-class for use with the Python
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2278
  BaseHTTPServer module's HTTP server.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2279
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2280
  Python's built-in HTTP server does not support passing context information
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2281
  along to instances of its request handlers. This function gets around that
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2282
  by creating a sub-class of the handler in a closure that has access to
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2283
  this context information.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2284
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2285
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2286
    root_path: Path to the root of the application running on the server.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2287
    login_url: Relative URL which should be used for handling user logins.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2288
    require_indexes: True if index.yaml is read-only gospel; default False.
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2289
    static_caching: True if browser caching of static files should be allowed.
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2290
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2291
  Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2292
    Sub-class of BaseHTTPRequestHandler.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2293
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2294
  application_module_dict = SetupSharedModules(sys.modules)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2295
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2296
  if require_indexes:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2297
    index_yaml_updater = None
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2298
  else:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2299
    index_yaml_updater = dev_appserver_index.IndexYamlUpdater(root_path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2300
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2301
  application_config_cache = AppConfigCache()
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2302
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2303
  class DevAppServerRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2304
    """Dispatches URLs using patterns from a URLMatcher, which is created by
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2305
    loading an application's configuration file. Executes CGI scripts in the
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2306
    local process so the scripts can use mock versions of APIs.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2307
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2308
    HTTP requests that correctly specify a user info cookie
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2309
    (dev_appserver_login.COOKIE_NAME) will have the 'USER_EMAIL' environment
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2310
    variable set accordingly. If the user is also an admin, the
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2311
    'USER_IS_ADMIN' variable will exist and be set to '1'. If the user is not
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2312
    logged in, 'USER_EMAIL' will be set to the empty string.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2313
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2314
    On each request, raises an InvalidAppConfigError exception if the
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2315
    application configuration file in the directory specified by the root_path
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2316
    argument is invalid.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2317
    """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2318
    server_version = 'Development/1.0'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2319
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2320
    module_dict = application_module_dict
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2321
    module_manager = ModuleManager(application_module_dict)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2322
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2323
    config_cache = application_config_cache
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2324
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2325
    def __init__(self, *args, **kwargs):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2326
      """Initializer.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2327
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2328
      Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2329
        args, kwargs: Positional and keyword arguments passed to the constructor
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2330
          of the super class.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2331
      """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2332
      BaseHTTPServer.BaseHTTPRequestHandler.__init__(self, *args, **kwargs)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2333
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2334
    def do_GET(self):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2335
      """Handle GET requests."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2336
      self._HandleRequest()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2337
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2338
    def do_POST(self):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2339
      """Handles POST requests."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2340
      self._HandleRequest()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2341
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2342
    def do_PUT(self):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2343
      """Handle PUT requests."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2344
      self._HandleRequest()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2345
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2346
    def do_HEAD(self):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2347
      """Handle HEAD requests."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2348
      self._HandleRequest()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2349
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2350
    def do_OPTIONS(self):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2351
      """Handles OPTIONS requests."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2352
      self._HandleRequest()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2353
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2354
    def do_DELETE(self):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2355
      """Handle DELETE requests."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2356
      self._HandleRequest()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2357
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2358
    def do_TRACE(self):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2359
      """Handles TRACE requests."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2360
      self._HandleRequest()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2361
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2362
    def _HandleRequest(self):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2363
      """Handles any type of request and prints exceptions if they occur."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2364
      server_name = self.headers.get('host') or self.server.server_name
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2365
      server_name = server_name.split(':', 1)[0]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2366
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2367
      env_dict = {
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2368
        'REQUEST_METHOD': self.command,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2369
        'REMOTE_ADDR': self.client_address[0],
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2370
        'SERVER_SOFTWARE': self.server_version,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2371
        'SERVER_NAME': server_name,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2372
        'SERVER_PROTOCOL': self.protocol_version,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2373
        'SERVER_PORT': str(self.server.server_port),
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2374
      }
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2375
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2376
      full_url = GetFullURL(server_name, self.server.server_port, self.path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2377
      if len(full_url) > MAX_URL_LENGTH:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2378
        msg = 'Requested URI too long: %s' % full_url
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2379
        logging.error(msg)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2380
        self.send_response(httplib.REQUEST_URI_TOO_LONG, msg)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2381
        return
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2382
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2383
      tbhandler = cgitb.Hook(file=self.wfile).handle
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2384
      try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2385
        if self.module_manager.AreModuleFilesModified():
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2386
          self.module_manager.ResetModules()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2387
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2388
        implicit_matcher = CreateImplicitMatcher(self.module_dict,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2389
                                                 root_path,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2390
                                                 login_url)
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2391
        config, explicit_matcher = LoadAppConfig(root_path, self.module_dict,
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2392
                                                 cache=self.config_cache,
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2393
                                                 static_caching=static_caching)
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2394
        env_dict['CURRENT_VERSION_ID'] = config.version + ".1"
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2395
        env_dict['APPLICATION_ID'] = config.application
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2396
        dispatcher = MatcherDispatcher(login_url,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2397
                                       [implicit_matcher, explicit_matcher])
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2398
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2399
        if require_indexes:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2400
          dev_appserver_index.SetupIndexes(config.application, root_path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2401
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2402
        infile = cStringIO.StringIO(self.rfile.read(
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2403
            int(self.headers.get('content-length', 0))))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2404
        outfile = cStringIO.StringIO()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2405
        try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2406
          dispatcher.Dispatch(self.path,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2407
                              None,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2408
                              self.headers,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2409
                              infile,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2410
                              outfile,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2411
                              base_env_dict=env_dict)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2412
        finally:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2413
          self.module_manager.UpdateModuleFileModificationTimes()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2414
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2415
        outfile.flush()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2416
        outfile.seek(0)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2417
        status_code, status_message, header_data, body = RewriteResponse(outfile)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2418
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2419
      except yaml_errors.EventListenerError, e:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2420
        title = 'Fatal error when loading application configuration'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2421
        msg = '%s:\n%s' % (title, str(e))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2422
        logging.error(msg)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2423
        self.send_response(httplib.INTERNAL_SERVER_ERROR, title)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2424
        self.wfile.write('Content-Type: text/html\n\n')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2425
        self.wfile.write('<pre>%s</pre>' % cgi.escape(msg))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2426
      except:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2427
        msg = 'Exception encountered handling request'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2428
        logging.exception(msg)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2429
        self.send_response(httplib.INTERNAL_SERVER_ERROR, msg)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2430
        tbhandler()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2431
      else:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2432
        try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2433
          self.send_response(status_code, status_message)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2434
          self.wfile.write(header_data)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2435
          self.wfile.write('\r\n')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2436
          if self.command != 'HEAD':
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2437
            self.wfile.write(body)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2438
          elif body:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2439
            logging.warning('Dropping unexpected body in response '
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2440
                            'to HEAD request')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2441
        except (IOError, OSError), e:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2442
          if e.errno != errno.EPIPE:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2443
            raise e
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2444
        except socket.error, e:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2445
          if len(e.args) >= 1 and e.args[0] != errno.EPIPE:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2446
            raise e
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2447
        else:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2448
          if index_yaml_updater is not None:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2449
            index_yaml_updater.UpdateIndexYaml()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2450
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2451
    def log_error(self, format, *args):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2452
      """Redirect error messages through the logging module."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2453
      logging.error(format, *args)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2454
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2455
    def log_message(self, format, *args):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2456
      """Redirect log messages through the logging module."""
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2457
      logging.info(format, *args)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2458
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2459
  return DevAppServerRequestHandler
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2460
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2461
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2462
def ReadAppConfig(appinfo_path, parse_app_config=appinfo.LoadSingleAppInfo):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2463
  """Reads app.yaml file and returns its app id and list of URLMap instances.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2464
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2465
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2466
    appinfo_path: String containing the path to the app.yaml file.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2467
    parse_app_config: Used for dependency injection.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2468
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2469
  Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2470
    AppInfoExternal instance.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2471
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2472
  Raises:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2473
    If the config file could not be read or the config does not contain any
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2474
    URLMap instances, this function will raise an InvalidAppConfigError
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2475
    exception.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2476
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2477
  try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2478
    appinfo_file = file(appinfo_path, 'r')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2479
    try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2480
      return parse_app_config(appinfo_file)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2481
    finally:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2482
      appinfo_file.close()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2483
  except IOError, e:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2484
    raise InvalidAppConfigError(
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2485
      'Application configuration could not be read from "%s"' % appinfo_path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2486
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2487
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2488
def CreateURLMatcherFromMaps(root_path,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2489
                             url_map_list,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2490
                             module_dict,
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2491
                             default_expiration,
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2492
                             create_url_matcher=URLMatcher,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2493
                             create_cgi_dispatcher=CGIDispatcher,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2494
                             create_file_dispatcher=FileDispatcher,
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2495
                             create_path_adjuster=PathAdjuster,
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2496
                             normpath=os.path.normpath):
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2497
  """Creates a URLMatcher instance from URLMap.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2498
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2499
  Creates all of the correct URLDispatcher instances to handle the various
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2500
  content types in the application configuration.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2501
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2502
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2503
    root_path: Path to the root of the application running on the server.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2504
    url_map_list: List of appinfo.URLMap objects to initialize this
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2505
      matcher with. Can be an empty list if you would like to add patterns
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2506
      manually.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2507
    module_dict: Dictionary in which application-loaded modules should be
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2508
      preserved between requests. This dictionary must be separate from the
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2509
      sys.modules dictionary.
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2510
    default_expiration: String describing default expiration time for browser
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2511
      based caching of static files.  If set to None this disallows any
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2512
      browser caching of static content.
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2513
    create_url_matcher, create_cgi_dispatcher, create_file_dispatcher,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2514
    create_path_adjuster: Used for dependency injection.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2515
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2516
  Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2517
    Instance of URLMatcher with the supplied URLMap objects properly loaded.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2518
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2519
  url_matcher = create_url_matcher()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2520
  path_adjuster = create_path_adjuster(root_path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2521
  cgi_dispatcher = create_cgi_dispatcher(module_dict, root_path, path_adjuster)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2522
  file_dispatcher = create_file_dispatcher(path_adjuster,
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2523
      StaticFileConfigMatcher(url_map_list, path_adjuster, default_expiration))
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2524
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2525
  for url_map in url_map_list:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2526
    admin_only = url_map.login == appinfo.LOGIN_ADMIN
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2527
    requires_login = url_map.login == appinfo.LOGIN_REQUIRED or admin_only
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2528
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2529
    handler_type = url_map.GetHandlerType()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2530
    if handler_type == appinfo.HANDLER_SCRIPT:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2531
      dispatcher = cgi_dispatcher
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2532
    elif handler_type in (appinfo.STATIC_FILES, appinfo.STATIC_DIR):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2533
      dispatcher = file_dispatcher
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2534
    else:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2535
      raise InvalidAppConfigError('Unknown handler type "%s"' % handler_type)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2536
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2537
    regex = url_map.url
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2538
    path = url_map.GetHandler()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2539
    if handler_type == appinfo.STATIC_DIR:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2540
      if regex[-1] == r'/':
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2541
        regex = regex[:-1]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2542
      if path[-1] == os.path.sep:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2543
        path = path[:-1]
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2544
      regex = '/'.join((re.escape(regex), '(.*)'))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2545
      if os.path.sep == '\\':
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2546
        backref = r'\\1'
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2547
      else:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2548
        backref = r'\1'
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2549
      path = (normpath(path).replace('\\', '\\\\') +
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2550
              os.path.sep + backref)
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2551
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2552
    url_matcher.AddURL(regex,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2553
                       dispatcher,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2554
                       path,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2555
                       requires_login, admin_only)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2556
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2557
  return url_matcher
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2558
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2559
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2560
class AppConfigCache(object):
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2561
  """Cache used by LoadAppConfig.
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2562
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2563
  If given to LoadAppConfig instances of this class are used to cache contents
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2564
  of the app config (app.yaml or app.yml) and the Matcher created from it.
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2565
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2566
  Code outside LoadAppConfig should treat instances of this class as opaque
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2567
  objects and not access its members.
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2568
  """
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2569
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2570
  path = None
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2571
  mtime = None
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2572
  config = None
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2573
  matcher = None
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2574
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2575
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2576
def LoadAppConfig(root_path,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2577
                  module_dict,
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2578
                  cache=None,
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2579
                  static_caching=True,
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2580
                  read_app_config=ReadAppConfig,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2581
                  create_matcher=CreateURLMatcherFromMaps):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2582
  """Creates a Matcher instance for an application configuration file.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2583
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2584
  Raises an InvalidAppConfigError exception if there is anything wrong with
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2585
  the application configuration file.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2586
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2587
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2588
    root_path: Path to the root of the application to load.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2589
    module_dict: Dictionary in which application-loaded modules should be
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2590
      preserved between requests. This dictionary must be separate from the
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2591
      sys.modules dictionary.
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2592
    cache: Instance of AppConfigCache or None.
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2593
    static_caching: True if browser caching of static files should be allowed.
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2594
    read_app_config, create_matcher: Used for dependency injection.
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2595
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2596
  Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2597
     tuple: (AppInfoExternal, URLMatcher)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2598
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2599
  for appinfo_path in [os.path.join(root_path, 'app.yaml'),
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2600
                       os.path.join(root_path, 'app.yml')]:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2601
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2602
    if os.path.isfile(appinfo_path):
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2603
      if cache is not None:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2604
        mtime = os.path.getmtime(appinfo_path)
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2605
        if cache.path == appinfo_path and cache.mtime == mtime:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2606
          return (cache.config, cache.matcher)
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2607
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2608
        cache.config = cache.matcher = cache.path = None
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2609
        cache.mtime = mtime
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2610
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2611
      try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2612
        config = read_app_config(appinfo_path, appinfo.LoadSingleAppInfo)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2613
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2614
        if static_caching:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2615
          if config.default_expiration:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2616
            default_expiration = config.default_expiration
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2617
          else:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2618
            default_expiration = '0'
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2619
        else:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2620
          default_expiration = None
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2621
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2622
        matcher = create_matcher(root_path,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2623
                                 config.handlers,
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2624
                                 module_dict,
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2625
                                 default_expiration)
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2626
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2627
        if cache is not None:
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2628
          cache.path = appinfo_path
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2629
          cache.config = config
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2630
          cache.matcher = matcher
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2631
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2632
        return (config, matcher)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2633
      except gexcept.AbstractMethod:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2634
        pass
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2635
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2636
  raise AppConfigNotFoundError
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2637
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2638
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2639
def SetupStubs(app_id, **config):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2640
  """Sets up testing stubs of APIs.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2641
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2642
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2643
    app_id: Application ID being served.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2644
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2645
  Keywords:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2646
    login_url: Relative URL which should be used for handling user login/logout.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2647
    datastore_path: Path to the file to store Datastore file stub data in.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2648
    history_path: Path to the file to store Datastore history in.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2649
    clear_datastore: If the datastore and history should be cleared on startup.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2650
    smtp_host: SMTP host used for sending test mail.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2651
    smtp_port: SMTP port.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2652
    smtp_user: SMTP user.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2653
    smtp_password: SMTP password.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2654
    enable_sendmail: Whether to use sendmail as an alternative to SMTP.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2655
    show_mail_body: Whether to log the body of emails.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2656
    remove: Used for dependency injection.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2657
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2658
  login_url = config['login_url']
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2659
  datastore_path = config['datastore_path']
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2660
  history_path = config['history_path']
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2661
  clear_datastore = config['clear_datastore']
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2662
  require_indexes = config.get('require_indexes', False)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2663
  smtp_host = config.get('smtp_host', None)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2664
  smtp_port = config.get('smtp_port', 25)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2665
  smtp_user = config.get('smtp_user', '')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2666
  smtp_password = config.get('smtp_password', '')
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2667
  enable_sendmail = config.get('enable_sendmail', False)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2668
  show_mail_body = config.get('show_mail_body', False)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2669
  remove = config.get('remove', os.remove)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2670
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2671
  os.environ['APPLICATION_ID'] = app_id
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2672
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2673
  if clear_datastore:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2674
    for path in (datastore_path, history_path):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2675
      if os.path.lexists(path):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2676
        logging.info('Attempting to remove file at %s', path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2677
        try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2678
          remove(path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2679
        except OSError, e:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2680
          logging.warning('Removing file failed: %s', e)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2681
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2682
  apiproxy_stub_map.apiproxy = apiproxy_stub_map.APIProxyStubMap()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2683
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2684
  datastore = datastore_file_stub.DatastoreFileStub(
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2685
      app_id, datastore_path, history_path, require_indexes=require_indexes)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2686
  apiproxy_stub_map.apiproxy.RegisterStub('datastore_v3', datastore)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2687
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2688
  fixed_login_url = '%s?%s=%%s' % (login_url,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2689
                                   dev_appserver_login.CONTINUE_PARAM)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2690
  fixed_logout_url = '%s&%s' % (fixed_login_url,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2691
                                dev_appserver_login.LOGOUT_PARAM)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2692
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2693
  apiproxy_stub_map.apiproxy.RegisterStub(
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2694
    'user',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2695
    user_service_stub.UserServiceStub(login_url=fixed_login_url,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2696
                                      logout_url=fixed_logout_url))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2697
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2698
  apiproxy_stub_map.apiproxy.RegisterStub(
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2699
    'urlfetch',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2700
    urlfetch_stub.URLFetchServiceStub())
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2701
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2702
  apiproxy_stub_map.apiproxy.RegisterStub(
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2703
    'mail',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2704
    mail_stub.MailServiceStub(smtp_host,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2705
                              smtp_port,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2706
                              smtp_user,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2707
                              smtp_password,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2708
                              enable_sendmail=enable_sendmail,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2709
                              show_mail_body=show_mail_body))
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2710
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2711
  apiproxy_stub_map.apiproxy.RegisterStub(
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2712
    'memcache',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2713
    memcache_stub.MemcacheServiceStub())
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2714
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2715
  try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2716
    from google.appengine.api.images import images_stub
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2717
    apiproxy_stub_map.apiproxy.RegisterStub(
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2718
      'images',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2719
      images_stub.ImagesServiceStub())
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2720
  except ImportError, e:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2721
    logging.warning('Could not initialize images API; you are likely missing '
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2722
                    'the Python "PIL" module. ImportError: %s', e)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2723
    from google.appengine.api.images import images_not_implemented_stub
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2724
    apiproxy_stub_map.apiproxy.RegisterStub('images',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2725
      images_not_implemented_stub.ImagesNotImplementedServiceStub())
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2726
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2727
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2728
def CreateImplicitMatcher(module_dict,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2729
                          root_path,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2730
                          login_url,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2731
                          create_path_adjuster=PathAdjuster,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2732
                          create_local_dispatcher=LocalCGIDispatcher,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2733
                          create_cgi_dispatcher=CGIDispatcher):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2734
  """Creates a URLMatcher instance that handles internal URLs.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2735
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2736
  Used to facilitate handling user login/logout, debugging, info about the
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2737
  currently running app, etc.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2738
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2739
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2740
    module_dict: Dictionary in the form used by sys.modules.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2741
    root_path: Path to the root of the application.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2742
    login_url: Relative URL which should be used for handling user login/logout.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2743
    create_local_dispatcher: Used for dependency injection.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2744
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2745
  Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2746
    Instance of URLMatcher with appropriate dispatchers.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2747
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2748
  url_matcher = URLMatcher()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2749
  path_adjuster = create_path_adjuster(root_path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2750
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2751
  login_dispatcher = create_local_dispatcher(sys.modules, path_adjuster,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2752
                                             dev_appserver_login.main)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2753
  url_matcher.AddURL(login_url,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2754
                     login_dispatcher,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2755
                     '',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2756
                     False,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2757
                     False)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2758
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2759
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2760
  admin_dispatcher = create_cgi_dispatcher(module_dict, root_path,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2761
                                           path_adjuster)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2762
  url_matcher.AddURL('/_ah/admin(?:/.*)?',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2763
                     admin_dispatcher,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2764
                     DEVEL_CONSOLE_PATH,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2765
                     False,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2766
                     False)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2767
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2768
  return url_matcher
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2769
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2770
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2771
def SetupTemplates(template_dir):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2772
  """Reads debugging console template files and initializes the console.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2773
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2774
  Does nothing if templates have already been initialized.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2775
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2776
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2777
    template_dir: Path to the directory containing the templates files.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2778
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2779
  Raises:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2780
    OSError or IOError if any of the template files could not be read.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2781
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2782
  if ApplicationLoggingHandler.AreTemplatesInitialized():
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2783
    return
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2784
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2785
  try:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2786
    header = open(os.path.join(template_dir, HEADER_TEMPLATE)).read()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2787
    script = open(os.path.join(template_dir, SCRIPT_TEMPLATE)).read()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2788
    middle = open(os.path.join(template_dir, MIDDLE_TEMPLATE)).read()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2789
    footer = open(os.path.join(template_dir, FOOTER_TEMPLATE)).read()
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2790
  except (OSError, IOError):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2791
    logging.error('Could not read template files from %s', template_dir)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2792
    raise
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2793
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2794
  ApplicationLoggingHandler.InitializeTemplates(header, script, middle, footer)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2795
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2796
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2797
def CreateServer(root_path,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2798
                 login_url,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2799
                 port,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2800
                 template_dir,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2801
                 serve_address='',
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2802
                 require_indexes=False,
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2803
                 static_caching=True,
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2804
                 python_path_list=sys.path):
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2805
  """Creates an new HTTPServer for an application.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2806
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2807
  Args:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2808
    root_path: String containing the path to the root directory of the
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2809
      application where the app.yaml file is.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2810
    login_url: Relative URL which should be used for handling user login/logout.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2811
    port: Port to start the application server on.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2812
    template_dir: Path to the directory in which the debug console templates
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2813
      are stored.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2814
    serve_address: Address on which the server should serve.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2815
    require_indexes: True if index.yaml is read-only gospel; default False.
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2816
    static_caching: True if browser caching of static files should be allowed.
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2817
    python_path_list: Used for dependency injection.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2818
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2819
  Returns:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2820
    Instance of BaseHTTPServer.HTTPServer that's ready to start accepting.
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2821
  """
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2822
  absolute_root_path = os.path.abspath(root_path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2823
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2824
  SetupTemplates(template_dir)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2825
  FakeFile.SetAllowedPaths([absolute_root_path,
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2826
                            os.path.dirname(os.path.dirname(google.__file__)),
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2827
                            template_dir])
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2828
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2829
  handler_class = CreateRequestHandler(absolute_root_path, login_url,
149
f2e327a7c5de Load ../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents: 109
diff changeset
  2830
                                       require_indexes, static_caching)
109
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2831
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2832
  if absolute_root_path not in python_path_list:
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2833
    python_path_list.insert(0, absolute_root_path)
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2834
620f9b141567 Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff changeset
  2835
  return BaseHTTPServer.HTTPServer((serve_address, port), handler_class)