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1 #!/usr/bin/python2.5 |
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2 # |
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3 # Copyright 2008 the Melange authors. |
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4 # |
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5 # Licensed under the Apache License, Version 2.0 (the "License"); |
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6 # you may not use this file except in compliance with the License. |
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7 # You may obtain a copy of the License at |
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8 # |
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9 # http://www.apache.org/licenses/LICENSE-2.0 |
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10 # |
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11 # Unless required by applicable law or agreed to in writing, software |
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12 # distributed under the License is distributed on an "AS IS" BASIS, |
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13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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14 # See the License for the specific language governing permissions and |
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15 # limitations under the License. |
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16 |
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17 """Views decorators. |
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18 """ |
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19 |
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20 __authors__ = [ |
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21 '"Pawel Solyga" <pawel.solyga@gmail.com>', |
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22 ] |
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23 |
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24 |
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25 import logging |
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26 |
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27 from functools import wraps |
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28 |
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29 from google.appengine.runtime import DeadlineExceededError |
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30 |
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31 from django import http |
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32 |
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33 |
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34 def view(func): |
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35 """Decorator that insists that exceptions are handled by view.""" |
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36 @wraps(func) |
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37 def view_wrapper(request, *args, **kwds): |
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38 try: |
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39 return func(request, *args, **kwds) |
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40 except DeadlineExceededError: |
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41 logging.exception('DeadlineExceededError') |
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42 return http.HttpResponse('DeadlineExceededError') |
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43 except MemoryError: |
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44 logging.exception('MemoryError') |
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45 return http.HttpResponse('MemoryError') |
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46 except AssertionError: |
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47 logging.exception('AssertionError') |
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48 return http.HttpResponse('AssertionError') |
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49 |
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50 return view_wrapper |