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annotate makeitso/dispatcher.py @ 48:1b9573832f33

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clean up the dispatcher code
author Jeff Hammel <jhammel@mozilla.com>
date Wed, 05 Jan 2011 18:26:07 -0800
parents 6d1c703c5ffc
children
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1 """
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2 request dispatcher for MakeItSo!
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3 """
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5 import sys
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6 from handlers import Index
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7 from webob import Request, Response, exc
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8
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9 class Dispatcher(object):
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11 ### class level variables
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13 def __init__(self, **kw):
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15 # request handlers
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16 self.handlers = [ Index ]
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18 def __call__(self, environ, start_response):
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20 # get a request object
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21 request = Request(environ)
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23 # get the path
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24 path = request.path_info.strip('/').split('/')
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25 if path == ['']:
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26 path = []
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27 request.environ['path'] = path
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29 # match the request to a handler
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30 for h in self.handlers:
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31 handler = h.match(self, request)
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32 if handler is not None:
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33 break
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34 else:
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35 handler = exc.HTTPNotFound
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37 # get response
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38 res = handler()
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39 return res(environ, start_response)
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41 if __name__ == '__main__':
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42 from optparse import OptionParser
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43 from wsgiref import simple_server
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44
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45 # parse command line options
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46 parser = OptionParser()
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47 parser.add_option('-p', '--port', dest='port', default=8080, type='int',
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48 help='port to serve on')
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49 options, args = parser.parse_args()
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51 # create an app
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52 app = Dispatcher()
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53
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54 # serve it!
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55 server = simple_server.make_server(host=host, port=options.port, app=app)
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56 server.serve_forever()