#!/usr/bin/env python## Copyright 2007 Google Inc.## Licensed under the Apache License, Version 2.0 (the "License");# you may not use this file except in compliance with the License.# You may obtain a copy of the License at## http://www.apache.org/licenses/LICENSE-2.0## Unless required by applicable law or agreed to in writing, software# distributed under the License is distributed on an "AS IS" BASIS,# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.# See the License for the specific language governing permissions and# limitations under the License.#"""Convenience wrapper for starting an appengine tool."""import osimport sysif not hasattr(sys, 'version_info'): sys.stderr.write('Very old versions of Python are not supported. Please ' 'use version 2.5 or greater.\n') sys.exit(1)version_tuple = tuple(sys.version_info[:2])if version_tuple < (2, 4): sys.stderr.write('Error: Python %d.%d is not supported. Please use ' 'version 2.5 or greater.\n' % version_tuple) sys.exit(1)if version_tuple == (2, 4): sys.stderr.write('Warning: Python 2.4 is not supported; this program may ' 'break. Please use version 2.5 or greater.\n')DIR_PATH = os.path.abspath(os.path.dirname(os.path.realpath(__file__)))SCRIPT_DIR = os.path.join(DIR_PATH, 'google', 'appengine', 'tools')EXTRA_PATHS = [ DIR_PATH, os.path.join(DIR_PATH, 'lib', 'antlr3'), os.path.join(DIR_PATH, 'lib', 'django'), os.path.join(DIR_PATH, 'lib', 'webob'), os.path.join(DIR_PATH, 'lib', 'yaml', 'lib'),]SCRIPT_EXCEPTIONS = { "dev_appserver.py" : "dev_appserver_main.py"}def run_file(file_path, globals_, script_dir=SCRIPT_DIR): """Execute the file at the specified path with the passed-in globals.""" sys.path = EXTRA_PATHS + sys.path script_name = os.path.basename(file_path) script_name = SCRIPT_EXCEPTIONS.get(script_name, script_name) script_path = os.path.join(script_dir, script_name) execfile(script_path, globals_)if __name__ == '__main__': run_file(__file__, globals())