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, StaticJavascripts, \
10 from pylons.wsgiapp import PylonsApp
11 from routes.middleware import RoutesMiddleware
13 from bluechips.config.environment import load_environment
15 def make_app(global_conf, full_stack=True, **app_conf):
16 """Create a Pylons WSGI application and return it
19 The inherited configuration for this application. Normally from
20 the [DEFAULT] section of the Paste ini file.
23 Whether or not this application provides a full WSGI stack (by
24 default, meaning it handles its own exceptions and errors).
25 Disable full_stack when this application is "managed" by
26 another WSGI middleware.
29 The application's local configuration. Normally specified in the
30 [app:<name>] section of the Paste ini file (where <name>
33 # Configure the Pylons environment
34 load_environment(global_conf, app_conf)
39 # CUSTOM MIDDLEWARE HERE (filtered by error handling middlewares)
41 # Routing/Session/Cache Middleware
42 app = RoutesMiddleware(app, config['routes.map'])
43 app = SessionMiddleware(app, config)
44 app = CacheMiddleware(app, config)
46 if asbool(full_stack):
47 # Handle Python exceptions
48 app = ErrorHandler(app, global_conf, **config['pylons.errorware'])
50 # Display error documents for 401, 403, 404 status codes (and
51 # 500 when debug is disabled)
52 if asbool(config['debug']):
53 app = StatusCodeRedirect(app)
55 app = StatusCodeRedirect(app, [400, 401, 403, 404, 500])
57 # Establish the Registry for this application
58 app = RegistryManager(app)
60 # Static files (If running in production, and Apache or another web
61 # server is handling this static content, remove the following 3 lines)
62 javascripts_app = StaticJavascripts()
63 static_app = StaticURLParser(config['pylons.paths']['static_files'])
64 app = Cascade([static_app, javascripts_app, app])