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0
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1 """
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2 request dispatcher
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3 """
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4
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5 import os
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2
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6 from handlers import Get, Post, SubpathGet, SubpathPost
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7 from webob import Request, exc
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8
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9 class Dispatcher(object):
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10
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11 ### class level variables
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1
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12 defaults = { 'directory': None,
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2
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13 'auth': 'False',
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14 'query_string': None,
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3
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15 'subpath': 'False',
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16 'app': None}
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0
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17
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18 def __init__(self, **kw):
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19 for key in self.defaults:
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20 setattr(self, key, kw.get(key, self.defaults[key]))
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21 assert os.path.exists(self.directory)
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1
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22 self.auth = self.auth.lower() == 'true'
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2
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23 self.subpath = self.subpath.lower() == 'true'
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24 if self.subpath:
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25 if self.query_string:
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26 self.handlers = [ SubpathGet, SubpathPost ]
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27 else:
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28 self.handlers = [ SubpathPost ]
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29 else:
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30 self.handlers = [ Get, Post ]
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0
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31
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32 ### methods dealing with HTTP
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33 def __call__(self, environ, start_response):
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34 request = Request(environ)
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1
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35 if self.auth and not request.remote_user:
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36 return exc.HTTPUnauthorized()(environ, start_response)
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37 for h in self.handlers:
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2
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38 if h.match(self, request):
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39 handler = h(self, request)
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40 break
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41 else:
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3
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42 if self.app:
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43 return self.app(environ, start_response)
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0
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44 handler = exc.HTTPNotFound
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45 res = handler()
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46 return res(environ, start_response)
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