Mercurial > hg > genshi_view

annotate genshi_view/template/+package+/dispatcher.py @ 13:6075ca965357

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cleanup
author k0s <k0scist@gmail.com>
date Sat, 07 Nov 2009 22:55:06 -0500
parents 8a7731b2126a
children 4a9ceda73d92
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1 """
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2 request dispatcher:
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3 data persisting across requests should go here
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4 """
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55011632cf03 import os
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6 import os
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7
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8 from handlers import Index
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9
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10 from genshi.template import TemplateLoader
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11 from paste.fileapp import FileApp
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12 from pkg_resources import resource_filename
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13 from webob import Request, Response, exc
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15 class Dispatcher(object):
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17 ### class level variables
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18 defaults = { 'auto_reload': 'False',
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19 'name': 'anonymous' }
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21 def __init__(self, **kw):
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23 # set instance parameters from kw and defaults
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24 for key in self.defaults:
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25 setattr(self, key, kw.get(key, self.defaults[key]))
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26 self.auto_reload = self.auto_reload.lower() == 'true'
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27
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28 # request handlers
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29 self.handlers = [ Index ]
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31 # template loader
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32 templates_dir = resource_filename(__name__, 'templates')
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33 self.loader = TemplateLoader(templates_dir,
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34 auto_reload=self.auto_reload)
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36 def __call__(self, environ, start_response):
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38 # get a request object
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39 request = Request(environ)
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40
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41 # get the path
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42 path = request.path_info.strip('/').split('/')
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43 if path == ['']:
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44 path = []
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45 request.environ['path'] = path
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47 # match the request to a handler
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48 for h in self.handlers:
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49 handler = h.match(self, request)
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50 if handler is not None:
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51 break
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52 else:
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53 handler = exc.HTTPNotFound
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54
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55 # add navigation links to handler [example]
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56 handler.data.setdefault('links', [])
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57 for h in self.handlers:
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58 handler.data['links'].append((handler.link(h.handler_path),
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59 h.__name__))
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61 # get response
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62 res = handler()
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63 return res(environ, start_response)