Mercurial > hg > webob_view

annotate webob_view/template/+package+/dispatcher.py @ 5:f70d8f3aee51

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allow app argument to allow use as middleware OOTB
author k0s <k0scist@gmail.com>
date Sun, 27 Dec 2009 16:38:50 -0500
parents 4dcb932065e4
children
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72cb6dc31e3f initial commit of webob_view from https://svn.openplans.org/svn/standalone/templates/webob_view/trunk/
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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 from handlers import Get, Post
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6 from webob import Request, exc
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7
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8 class Dispatcher(object):
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10 ### class level variables
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11 defaults = { 'app': None}
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13 def __init__(self, **kw):
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14 for key in self.defaults:
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15 setattr(self, key, kw.get(key, self.defaults[key]))
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16 self.handlers = [ Get, Post ]
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17 if self.app:
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18 assert hasattr(self.app, '__call__')
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20 ### methods dealing with HTTP
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21 def __call__(self, environ, start_response):
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22 request = Request(environ)
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23 for h in self.handlers:
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24 if h.match(request):
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25 handler = h(request)
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26 break
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27 else:
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28 if self.app:
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29 return self.app(environ, start_response)
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30 handler = exc.HTTPNotFound
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31 res = handler()
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32 return res(environ, start_response)