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0
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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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4
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11 def __init__(self, app, *directories):
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0
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12 self.app = app
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4
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13 missing = [i for i in directories
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14 if not os.path.exists(i) or not os.path.isdir(i)]
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15 assert not missing, "Missing directories: %s" % missing
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16 self.directories = [(directory, StaticURLParser(directory))
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17 for directory in directories]
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0
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18
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19 def __call__(self, environ, start_response):
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20 path = environ['PATH_INFO'].strip('/')
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4
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21 for directory, fileserver in self.directories:
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22 if path and os.path.exists(os.path.join(directory, path)):
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23 return fileserver(environ, start_response)
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0
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24 return self.app(environ, start_response)
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25
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1
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26 def factory(**app_conf):
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0
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27 """create a webob view and wrap it in middleware"""
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4
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28 directory = app_conf['directory']
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1
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29 app = Dispatcher(**app_conf)
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3
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30 return PassthroughFileserver(app, resource_filename(__name__, 'static'))
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0
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31
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1
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32 if __name__ == '__main__':
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2
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33 import shutil
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1
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34 import tempfile
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35 from wsgiref import simple_server
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2
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36 tempdir = tempfile.mkdtemp()
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37 try:
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3
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38 app = factory(directory=tempdir)
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39 server = simple_server.make_server(host='0.0.0.0', port=8080, app=app)
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40 server.serve_forever()
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2
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41 finally:
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42 shutil.rmtree(tempdir)
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