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comparison taginthemiddle/example.py @ 3:c2bb8f873aee

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make a useful(?) example factory
author Jeff Hammel <jhammel@mozilla.com>
date Wed, 05 May 2010 22:05:16 -0700
parents 1c5cbbde4299
children bf4c763b0313
comparison
equal deleted inserted replaced
2:1182315b18ac 3:c2bb8f873aee
1 import os 1 from dispatcher import Tagger
2
3 from dispatcher import Dispatcher
4 from paste.httpexceptions import HTTPExceptionHandler 2 from paste.httpexceptions import HTTPExceptionHandler
5 from paste.urlparser import StaticURLParser 3 from paste.urlparser import StaticURLParser
6 from pkg_resources import resource_filename 4 from pkg_resources import resource_filename
7 5
8 class PassthroughFileserver(object):
9 """serve files if they exist"""
10
11 def __init__(self, app, directory):
12 self.app = app
13 self.directory = directory
14 self.fileserver = StaticURLParser(self.directory)
15
16 def __call__(self, environ, start_response):
17 path = environ['PATH_INFO'].strip('/')
18 if path and os.path.exists(os.path.join(self.directory, path)):
19 return self.fileserver(environ, start_response)
20 return self.app(environ, start_response)
21
22 def factory(global_conf, **app_conf): 6 def factory(global_conf, **app_conf):
23 """create a webob view and wrap it in middleware""" 7 """create an example view and wrap it in tagging middleware"""
24 8
25 keystr = 'TagInTheMiddle.' 9 keystr = 'TagInTheMiddle.'
26 args = dict([(key.split(keystr, 1)[-1], value) 10 args = dict([(key.split(keystr, 1)[-1], value)
27 for key, value in app_conf.items() 11 for key, value in app_conf.items()
28 if key.startswith(keystr) ]) 12 if key.startswith(keystr) ])
29 app = Dispatcher(**args) 13 app = StaticURLParser(app_conf['directory'])
30 return HTTPExceptionHandler(PassthroughFileserver(app, resource_filename(__name__, 'static'))) 14 tagger = Tagger(app, **args)
15 return HTTPExceptionHandler(tagger)
31 16