Mercurial > hg > contenttransformer

annotate contenttransformer/web.py @ 19:afd11b758da0

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just require genshi for now
author Jeff Hammel <jhammel@mozilla.com>
date Wed, 27 Oct 2010 09:09:37 -0700
parents aa491070ccf3
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1 """
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2 example app for how to use TypedTransformer TTW on a directory
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3 """
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4
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5 import os
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6
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7 from contenttransformer.app import FileTypeTransformer
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8 from webob import Request, exc
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9
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10 class Dispatcher(object):
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12 ### class level variables
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13 defaults = { 'app': None,
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14 'directory': None,
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15 'transforms': ''}
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17 def __init__(self, **kw):
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18 for key in self.defaults:
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19 setattr(self, key, kw.get(key, self.defaults[key]))
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20 assert os.path.exists(self.directory)
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21 self.transforms = [ [j.strip() for j in i.split('=', 1) ] for i in self.transforms.split(',') if '=' in i]
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22 self.transformer = FileTypeTransformer(*self.transforms)
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23 if self.app:
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24 assert hasattr(self.app, '__call__')
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25
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26 ### methods dealing with HTTP
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27 def __call__(self, environ, start_response):
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28 request = Request(environ)
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29 path = os.path.join(self.directory, request.path_info.strip('/'))
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30 if os.path.exists(path) and os.path.isfile(path):
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31 handler = self.transformer(path)
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32 return handler(environ, start_response)
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33 else:
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34 # TODO: if self.app ...
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35 return exc.HTTPNotFound()(environ, start_response)