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