Mercurial > hg > TagInTheMiddle
annotate taginthemiddle/example.py @ 0:1c5cbbde4299
initial commit of middleware tagging; doesnt yet work
author | Jeff Hammel <jhammel@mozilla.com> |
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date | Tue, 04 May 2010 08:37:15 -0700 |
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children | c2bb8f873aee |
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1c5cbbde4299
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Jeff Hammel <jhammel@mozilla.com>
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1 import os |
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2 |
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3 from dispatcher import Dispatcher |
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4 from paste.httpexceptions import HTTPExceptionHandler |
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5 from paste.urlparser import StaticURLParser |
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6 from pkg_resources import resource_filename |
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7 |
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8 class PassthroughFileserver(object): |
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9 """serve files if they exist""" |
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10 |
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11 def __init__(self, app, directory): |
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12 self.app = app |
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13 self.directory = directory |
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14 self.fileserver = StaticURLParser(self.directory) |
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15 |
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16 def __call__(self, environ, start_response): |
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17 path = environ['PATH_INFO'].strip('/') |
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18 if path and os.path.exists(os.path.join(self.directory, path)): |
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19 return self.fileserver(environ, start_response) |
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20 return self.app(environ, start_response) |
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21 |
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22 def factory(global_conf, **app_conf): |
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23 """create a webob view and wrap it in middleware""" |
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24 |
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25 keystr = 'TagInTheMiddle.' |
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26 args = dict([(key.split(keystr, 1)[-1], value) |
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27 for key, value in app_conf.items() |
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28 if key.startswith(keystr) ]) |
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29 app = Dispatcher(**args) |
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30 return HTTPExceptionHandler(PassthroughFileserver(app, resource_filename(__name__, 'static'))) |
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31 |