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−#!/usr/bin/python2.5
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−#
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−# Copyright 2009 the Melange authors.
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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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−
+
−"""Middleware to handle exceptions.
+
−"""
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−
+
−__authors__ = [
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−  '"Sverre Rabbelier" <sverre@rabbelier.nl>',
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−  ]
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−
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−
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−import logging
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−
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−from google.appengine.runtime import DeadlineExceededError
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−from google.appengine.runtime.apiproxy_errors import CapabilityDisabledError
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−
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−from django import http
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−
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−from soc.views.helper import responses
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−from soc.views import out_of_band
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−
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−
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−class ExceptionHandlerMiddleware(object):
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−  """Middleware class to handle exceptions..
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−  """
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−
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−  def process_exception(self, request, exception):
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−    """Called when an uncaught exception is raised.
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−
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−    See the Django middleware documentation for an explanation of
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−    the method signature.
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−    """
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−
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−    template = None
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−    context = responses.getUniversalContext(request)
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−
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−    if isinstance(exception, DeadlineExceededError):
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−      template = 'soc/deadline_exceeded.html'
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−    if isinstance(exception, MemoryError):
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−      template = 'soc/memory_error.html'
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−    if isinstance(exception, AssertionError):
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−      template = 'soc/assertion_error.html'
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−    if isinstance(exception, out_of_band.Error):
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−      return responses.errorResponse(error, request)
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−
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−    if template:
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−      logging.exception(exception)
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−      return responses.respond(request, template, context=context)
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−
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−    # let Django handle it
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−    return None