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1 """Pylons middleware initialization"""
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2 from beaker.middleware import CacheMiddleware, SessionMiddleware
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3 from paste.cascade import Cascade
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4 from paste.registry import RegistryManager
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5 from paste.urlparser import StaticURLParser
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6 from paste.deploy.converters import asbool
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7 from pylons import config
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8 from pylons.middleware import ErrorHandler, StatusCodeRedirect
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9 from pylons.wsgiapp import PylonsApp
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10 from routes.middleware import RoutesMiddleware
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11
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12 from pylons_app.config.environment import load_environment
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13
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14 def make_app(global_conf, full_stack = True, static_files = True, **app_conf):
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15 """Create a Pylons WSGI application and return it
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16
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17 ``global_conf``
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18 The inherited configuration for this application. Normally from
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19 the [DEFAULT] section of the Paste ini file.
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20
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21 ``full_stack``
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22 Whether this application provides a full WSGI stack (by default,
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23 meaning it handles its own exceptions and errors). Disable
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24 full_stack when this application is "managed" by another WSGI
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25 middleware.
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26
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27 ``static_files``
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28 Whether this application serves its own static files; disable
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29 when another web server is responsible for serving them.
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30
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31 ``app_conf``
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32 The application's local configuration. Normally specified in
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33 the [app:<name>] section of the Paste ini file (where <name>
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34 defaults to main).
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35
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36 """
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37 # Configure the Pylons environment
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38 load_environment(global_conf, app_conf)
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39
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40 # The Pylons WSGI app
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41 app = PylonsApp()
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42
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43 # Routing/Session/Cache Middleware
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44 app = RoutesMiddleware(app, config['routes.map'])
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45 app = SessionMiddleware(app, config)
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46 app = CacheMiddleware(app, config)
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47
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48 # CUSTOM MIDDLEWARE HERE (filtered by error handling middlewares)
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49
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50 if asbool(full_stack):
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51 # Handle Python exceptions
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52 app = ErrorHandler(app, global_conf, **config['pylons.errorware'])
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53
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54 # Display error documents for 401, 403, 404 status codes (and
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55 # 500 when debug is disabled)
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56 if asbool(config['debug']):
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57 app = StatusCodeRedirect(app)
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58 else:
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59 app = StatusCodeRedirect(app, [400, 401, 403, 404, 500])
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60
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61 # Establish the Registry for this application
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62 app = RegistryManager(app)
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63
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64 if asbool(static_files):
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65 # Serve static files
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66 static_app = StaticURLParser(config['pylons.paths']['static_files'])
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67 app = Cascade([static_app, app])
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68
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69 #dozer debug
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70 if asbool(config['debug']):
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71 from dozer import Logview
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72 app = Logview(app, config)
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73
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74 return app
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