1 #!/usr/bin/python2.5

     2 #

     3 # Copyright 2008 the Melange authors.

     4 #

     5 # Licensed under the Apache License, Version 2.0 (the "License");

     6 # you may not use this file except in compliance with the License.

     7 # You may obtain a copy of the License at

     8 #

     9 #   http://www.apache.org/licenses/LICENSE-2.0

    10 #

    11 # Unless required by applicable law or agreed to in writing, software

    12 # distributed under the License is distributed on an "AS IS" BASIS,

    13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

    14 # See the License for the specific language governing permissions and

    15 # limitations under the License.

    16 

    17 """Views decorators.

    18 """

    19 

    20 __authors__ = [

    21   '"Pawel Solyga" <pawel.solyga@gmail.com>',

    22   ]

    23 

    24 

    25 import logging

    26 

    27 from functools import wraps

    28 

    29 from google.appengine.runtime import DeadlineExceededError

    30 

    31 from django import http

    32 

    33 

    34 def view(func):

    35   """Decorator that insists that exceptions are handled by view."""

    36   @wraps(func)

    37   def view_wrapper(request, *args, **kwds):

    38     try:

    39       return func(request, *args, **kwds)

    40     except DeadlineExceededError:

    41       logging.exception('DeadlineExceededError')

    42       return http.HttpResponse('DeadlineExceededError')

    43     except MemoryError:

    44       logging.exception('MemoryError')

    45       return http.HttpResponse('MemoryError')

    46     except AssertionError:

    47       logging.exception('AssertionError')

    48       return http.HttpResponse('AssertionError')

    49 

    50   return view_wrapper