/usr/share/doc/python-werkzeug-doc/examples/coolmagic/application.py is in python-werkzeug-doc 0.9.4+dfsg-1.1ubuntu2.1.
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"""
coolmagic.application
~~~~~~~~~~~~~~~~~~~~~
This module provides the WSGI application.
The WSGI middlewares are applied in the `make_app` factory function
that automatically wraps the application within the require
middlewares. Per default only the `SharedDataMiddleware` is applied.
:copyright: (c) 2009 by the Werkzeug Team, see AUTHORS for more details.
:license: BSD, see LICENSE for more details.
"""
from os import path, listdir
from coolmagic.utils import Request, local_manager, redirect
from werkzeug.routing import Map, Rule, RequestRedirect
from werkzeug.exceptions import HTTPException, NotFound
class CoolMagicApplication(object):
"""
The application class. It's passed a directory with configuration values.
"""
def __init__(self, config):
self.config = config
for fn in listdir(path.join(path.dirname(__file__), 'views')):
if fn.endswith('.py') and fn != '__init__.py':
__import__('coolmagic.views.' + fn[:-3])
from coolmagic.utils import exported_views
rules = [
# url for shared data. this will always be unmatched
# because either the middleware or the webserver
# handles that request first.
Rule('/public/<path:file>',
endpoint='shared_data')
]
self.views = {}
for endpoint, (func, rule, extra) in exported_views.iteritems():
if rule is not None:
rules.append(Rule(rule, endpoint=endpoint, **extra))
self.views[endpoint] = func
self.url_map = Map(rules)
def __call__(self, environ, start_response):
urls = self.url_map.bind_to_environ(environ)
req = Request(environ, urls)
try:
endpoint, args = urls.match(req.path)
resp = self.views[endpoint](**args)
except NotFound, e:
resp = self.views['static.not_found']()
except (HTTPException, RequestRedirect), e:
resp = e
return resp(environ, start_response)
def make_app(config=None):
"""
Factory function that creates a new `CoolmagicApplication`
object. Optional WSGI middlewares should be applied here.
"""
config = config or {}
app = CoolMagicApplication(config)
# static stuff
from werkzeug.utils import SharedDataMiddleware
app = SharedDataMiddleware(app, {
'/public': path.join(path.dirname(__file__), 'public')
})
# clean up locals
app = local_manager.make_middleware(app)
return app
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