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 from paste import httpexceptions
13 import authkit.authorize
15 from bluechips.config.environment import load_environment
17 from bluechips.lib.permissions import BlueChipUser, DummyAuthenticate
19 def make_app(global_conf, full_stack=True, **app_conf):
20 """Create a Pylons WSGI application and return it
23 The inherited configuration for this application. Normally from
24 the [DEFAULT] section of the Paste ini file.
27 Whether or not this application provides a full WSGI stack (by
28 default, meaning it handles its own exceptions and errors).
29 Disable full_stack when this application is "managed" by
30 another WSGI middleware.
33 The application's local configuration. Normally specified in the
34 [app:<name>] section of the Paste ini file (where <name>
37 # Configure the Pylons environment
38 load_environment(global_conf, app_conf)
43 # CUSTOM MIDDLEWARE HERE (filtered by error handling middlewares)
44 app = authkit.authorize.middleware(app, BlueChipUser())
45 app = DummyAuthenticate(app, app_conf)
46 app = httpexceptions.make_middleware(app, global_conf)
48 # Routing/Session/Cache Middleware
49 app = RoutesMiddleware(app, config['routes.map'])
50 app = SessionMiddleware(app, config)
51 app = CacheMiddleware(app, config)
53 if asbool(full_stack):
54 # Handle Python exceptions
55 app = ErrorHandler(app, global_conf, **config['pylons.errorware'])
57 # Display error documents for 401, 403, 404 status codes (and
58 # 500 when debug is disabled)
59 if asbool(config['debug']):
60 app = StatusCodeRedirect(app)
62 app = StatusCodeRedirect(app, [400, 401, 403, 404, 500])
64 # Establish the Registry for this application
65 app = RegistryManager(app)
67 # Static files (If running in production, and Apache or another web
68 # server is handling this static content, remove the following 3 lines)
69 static_app = StaticURLParser(config['pylons.paths']['static_files'])
70 app = Cascade([static_app, app])