/usr/share/doc/python-werkzeug-doc/examples/plnt/webapp.py is in python-werkzeug-doc 0.10.4+dfsg1-1ubuntu1.1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | # -*- coding: utf-8 -*-
"""
plnt.webapp
~~~~~~~~~~~
The web part of the planet.
:copyright: (c) 2009 by the Werkzeug Team, see AUTHORS for more details.
:license: BSD.
"""
from os import path
from sqlalchemy import create_engine
from werkzeug.wrappers import Request
from werkzeug.wsgi import ClosingIterator, SharedDataMiddleware
from werkzeug.exceptions import HTTPException, NotFound
from plnt.utils import local, local_manager, url_map, endpoints
from plnt.database import session, metadata
# import the views module because it contains setup code
import plnt.views
#: path to shared data
SHARED_DATA = path.join(path.dirname(__file__), 'shared')
class Plnt(object):
def __init__(self, database_uri):
self.database_engine = create_engine(database_uri)
self._dispatch = local_manager.middleware(self.dispatch_request)
self._dispatch = SharedDataMiddleware(self._dispatch, {
'/shared': SHARED_DATA
})
def init_database(self):
metadata.create_all(self.database_engine)
def bind_to_context(self):
local.application = self
def dispatch_request(self, environ, start_response):
self.bind_to_context()
local.request = request = Request(environ, start_response)
local.url_adapter = adapter = url_map.bind_to_environ(environ)
try:
endpoint, values = adapter.match(request.path)
response = endpoints[endpoint](request, **values)
except HTTPException, e:
response = e
return ClosingIterator(response(environ, start_response),
session.remove)
def __call__(self, environ, start_response):
return self._dispatch(environ, start_response)
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