Mercurial > hg > MakeItSo
view makeitso/dispatcher.py @ 28:dc18d6db4956
depend on trunk tempita; stubbing for next stage
author | Jeff Hammel <jhammel@mozilla.com> |
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date | Wed, 22 Dec 2010 13:30:09 -0800 |
parents | 6d1c703c5ffc |
children | 1b9573832f33 |
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""" request dispatcher: data persisting across requests should go here """ from handlers import Index from webob import Request, Response, exc class Dispatcher(object): ### class level variables defaults = { 'app': None, } def __init__(self, **kw): # set instance parameters from kw and defaults for key in self.defaults: setattr(self, key, kw.get(key, self.defaults[key])) # request handlers self.handlers = [ Index ] # endpoint app if used as middleware if self.app: assert hasattr(self.app, '__call__') def __call__(self, environ, start_response): # get a request object request = Request(environ) # get the path path = request.path_info.strip('/').split('/') if path == ['']: path = [] request.environ['path'] = path # match the request to a handler for h in self.handlers: handler = h.match(self, request) if handler is not None: break else: if self.app: return self.app(environ, start_response) handler = exc.HTTPNotFound # get response res = handler() return res(environ, start_response)