Fixed model name and comment typo's in task model.
Also changed the corresponding reference properties.
#!/usr/bin/python2.5
#
# Copyright 2008 the Melange authors.
#
# 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.
"""Views decorators.
"""
__authors__ = [
'"Pawel Solyga" <pawel.solyga@gmail.com>',
'"Sverre Rabbelier" <sverre@rabbelier.nl>',
]
import logging
from functools import wraps
from google.appengine.runtime import DeadlineExceededError
from google.appengine.runtime.apiproxy_errors import CapabilityDisabledError
from django import http
from soc.logic import dicts
class Error(Exception):
"""Base class for all exceptions raised by this module.
"""
pass
def view(func):
"""Decorator that insists that exceptions are handled by view.
"""
from soc.logic.helper import timeline
from soc.logic.models.site import logic as site_logic
from soc.logic.models.user import logic as user_logic
from soc.views import out_of_band
from soc.views.helper import responses
@wraps(func)
def view_wrapper(request, *args, **kwds):
"""View decorator wrapper method.
"""
try:
site = site_logic.getSingleton()
# don't redirect admins, or if we're at /maintenance already
no_redirect = user_logic.isDeveloper() or request.path == '/maintenance'
if (not no_redirect) and timeline.isActivePeriod(site, 'maintenance'):
return http.HttpResponseRedirect('/maintenance')
return func(request, *args, **kwds)
except DeadlineExceededError, exception:
logging.exception(exception)
return http.HttpResponseRedirect('/soc/content/deadline_exceeded.html')
except CapabilityDisabledError, exception:
logging.exception(exception)
# assume the site is in maintenance if we get CDE
return http.HttpResponseRedirect('/maintenance')
except MemoryError, exception:
logging.exception(exception)
return http.HttpResponseRedirect('/soc/content/memory_error.html')
except AssertionError, exception:
logging.exception(exception)
return http.HttpResponseRedirect('/soc/content/assertion_error.html')
except out_of_band.Error, error:
return responses.errorResponse(error, request)
return view_wrapper
def merge_params(func):
"""Decorator that merges 'params' with self._params.
"""
@wraps(func)
def wrapper(self, *args, **kwargs):
"""Decorator wrapper method.
"""
params = kwargs.get('params', {})
kwargs['params'] = dicts.merge(params, self._params)
return func(self, *args, **kwargs)
return wrapper
def check_access(func):
"""This decorator does access checks for the specified view method.
The rights dictionary is extracted from 'params', or, if either 'params' or
'rights' do not exist, from self._params['rights'].
"""
# Do not pollute helper.decorators with access specific imports
from soc.views import out_of_band
from soc.views import helper
from soc.views.helper import responses
@wraps(func)
def wrapper(self, request, access_type, *args, **kwargs):
"""Decorator wrapper method.
"""
params = kwargs.get('params', {})
# Try to extract rights
if 'rights' in params:
rights = params['rights']
else:
rights = self._params['rights']
check_kwargs = kwargs.copy()
context = responses.getUniversalContext(request)
responses.useJavaScript(context, self._params['js_uses_all'])
id = context['account']
user = context['user']
check_kwargs['GET'] = request.GET
check_kwargs['POST'] = request.POST
check_kwargs['context'] = context
# reset and pre-fill the Checker's cache
rights.setCurrentUser(id, user)
# Do the access check dance
try:
rights.checkAccess(access_type, check_kwargs)
except out_of_band.Error, error:
return helper.responses.errorResponse(error, request)
return func(self, request, access_type, *args, **kwargs)
return wrapper