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.auth.basic import AuthBasicHandler
7 from paste.deploy.converters import asbool
8 from pylons import config
9 from pylons.middleware import ErrorHandler, StatusCodeRedirect
10 from pylons.wsgiapp import PylonsApp
11 from routes.middleware import RoutesMiddleware
13 import authkit.authorize
15 from bluechips.config.environment import load_environment
17 from bluechips.lib.permissions import (BlueChipUser, DummyAuthenticate,
20 def make_app(global_conf, full_stack=True, **app_conf):
21 """Create a Pylons WSGI application and return it
24 The inherited configuration for this application. Normally from
25 the [DEFAULT] section of the Paste ini file.
28 Whether or not this application provides a full WSGI stack (by
29 default, meaning it handles its own exceptions and errors).
30 Disable full_stack when this application is "managed" by
31 another WSGI middleware.
34 The application's local configuration. Normally specified in the
35 [app:<name>] section of the Paste ini file (where <name>
38 # Configure the Pylons environment
39 load_environment(global_conf, app_conf)
44 # CUSTOM MIDDLEWARE HERE (filtered by error handling middlewares)
45 if not asbool(app_conf.get('noauth')):
46 app = authkit.authorize.middleware(app, BlueChipUser())
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 status_codes = [400, 401, 403, 404]
60 if not asbool(config.get('debug')):
61 status_codes.append(500)
62 app = StatusCodeRedirect(app, status_codes)
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])
71 if not asbool(app_conf.get('noauth')):
72 app = AuthBasicHandler(app, 'BlueChips', authenticate)
73 app = DummyAuthenticate(app, app_conf)