71 lines
2.4 KiB
Python
71 lines
2.4 KiB
Python
"""Pylons middleware initialization"""
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from beaker.middleware import CacheMiddleware, SessionMiddleware
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from paste.cascade import Cascade
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from paste.registry import RegistryManager
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from paste.urlparser import StaticURLParser
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from paste.deploy.converters import asbool
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from pylons import config
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from pylons.middleware import ErrorHandler, StatusCodeRedirect
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from pylons.wsgiapp import PylonsApp
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from routes.middleware import RoutesMiddleware
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from scribeengine.config.environment import load_environment
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def make_app(global_conf, full_stack=True, static_files=True, **app_conf):
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"""Create a Pylons WSGI application and return it
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``global_conf``
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The inherited configuration for this application. Normally from
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the [DEFAULT] section of the Paste ini file.
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``full_stack``
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Whether this application provides a full WSGI stack (by default,
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meaning it handles its own exceptions and errors). Disable
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full_stack when this application is "managed" by another WSGI
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middleware.
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``static_files``
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Whether this application serves its own static files; disable
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when another web server is responsible for serving them.
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``app_conf``
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The application's local configuration. Normally specified in
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the [app:<name>] section of the Paste ini file (where <name>
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defaults to main).
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"""
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# Configure the Pylons environment
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load_environment(global_conf, app_conf)
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# The Pylons WSGI app
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app = PylonsApp()
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# Routing/Session/Cache Middleware
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app = RoutesMiddleware(app, config['routes.map'])
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app = SessionMiddleware(app, config)
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app = CacheMiddleware(app, config)
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# CUSTOM MIDDLEWARE HERE (filtered by error handling middlewares)
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if asbool(full_stack):
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# Handle Python exceptions
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app = ErrorHandler(app, global_conf, **config['pylons.errorware'])
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# Display error documents for 401, 403, 404 status codes (and
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# 500 when debug is disabled)
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if asbool(config['debug']):
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app = StatusCodeRedirect(app)
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else:
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app = StatusCodeRedirect(app, [400, 401, 403, 404, 500])
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# Establish the Registry for this application
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app = RegistryManager(app)
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if asbool(static_files):
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# Serve static files
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static_apps = [StaticURLParser(path)
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for path in config['pylons.paths']['static_files']]
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app = Cascade(static_apps + [app])
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return app
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