Mercurial > hg > genshi_view

annotate genshi_view/template/+package+/dispatcher.py @ 4:0be8714e4d6a

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use the app and add it to the handler
author k0s <k0scist@gmail.com>
date Fri, 06 Nov 2009 16:47:27 -0500
parents b8e5471794b2
children 55011632cf03
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1 """
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2 request dispatcher
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3 """
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5 from handlers import Index
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7 from genshi.template import TemplateLoader
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8 from paste.fileapp import FileApp
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9 from pkg_resources import resource_filename
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10 from webob import Request, Response, exc
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12 class Dispatcher(object):
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14 ### class level variables
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15 defaults = { 'auto_reload': 'False'}
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17 def __init__(self, **kw):
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19 # set instance parameters from kw and defaults
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20 for key in self.defaults:
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21 setattr(self, key, kw.get(key, self.defaults[key]))
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22 self.auto_reload = self.auto_reload.lower() == 'true'
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24 self.handlers = [ Index ]
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26 # static files
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27 self.htdocs = resource_filename(__name__, 'static')
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28
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29 # template loader # to move???
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30 templates_dir = resource_filename(__name__, 'templates')
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31 self.loader = TemplateLoader(templates_dir,
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32 auto_reload=self.auto_reload)
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34 ### methods dealing with HTTP
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35 def __call__(self, environ, start_response):
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36 request = Request(environ)
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37
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38 # serve static files
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39 # TODO: put into a handler
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40 filename = os.path.join(self.htdocs, request.path_info)
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41 if request.path_info != '/' and os.path.exists(filename):
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42 fileapp = FileApp(filename)
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43 return fileapp(environ, start_response)
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44
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45 # match the request to a handler
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46 for h in self.handlers:
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47 handler = h.match(self, request)
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48 if handler is not None:
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49 break
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50 else:
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51 handler = exc.HTTPNotFound
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52
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53 res = handler()
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54 return res(environ, start_response)
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