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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 """Helpers used to display various views that are forms. |
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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 import os |
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25 |
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26 from google.appengine.api import users |
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27 from django import http |
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28 from django import shortcuts |
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29 |
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30 IS_DEV = os.environ['SERVER_SOFTWARE'].startswith('Dev') |
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31 |
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32 # DeadlineExceededError can live in two different places |
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33 try: |
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34 # When deployed |
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35 from google.appengine.runtime import DeadlineExceededError |
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36 except ImportError: |
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37 # In the development server |
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38 from google.appengine.runtime.apiproxy_errors import DeadlineExceededError |
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39 |
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40 def respond(request, template, params=None): |
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41 """Helper to render a response, passing standard stuff to the response. |
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42 |
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43 Args: |
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44 request: The request object. |
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45 template: The template name; '.html' is appended automatically. |
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46 params: A dict giving the template parameters; modified in-place. |
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47 |
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48 Returns: |
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49 Whatever render_to_response(template, params) returns. |
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50 |
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51 Raises: |
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52 Whatever render_to_response(template, params) raises. |
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53 """ |
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54 if params is None: |
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55 params = {} |
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56 |
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57 params['request'] = request |
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58 params['user'] = users.get_current_user() |
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59 params['is_admin'] = users.is_current_user_admin() |
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60 params['is_dev'] = IS_DEV |
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61 params['sign_in'] = users.create_login_url(request.path) |
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62 params['sign_out'] = users.create_logout_url(request.path) |
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63 try: |
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64 return shortcuts.render_to_response(template, params) |
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65 except DeadlineExceededError: |
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66 logging.exception('DeadlineExceededError') |
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67 return http.HttpResponse('DeadlineExceededError') |
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68 except MemoryError: |
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69 logging.exception('MemoryError') |
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70 return http.HttpResponse('MemoryError') |
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71 except AssertionError: |
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72 logging.exception('AssertionError') |
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73 return http.HttpResponse('AssertionError') |