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1 """
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2 request dispatcher
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3 """
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4
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5 import urlparse
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6 from webob import Request
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7
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8 class Relocator(object):
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9
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10
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11 def __init__(self, app, baseurl):
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12 self.app = app
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13 self.baseurl = list(urlparse.urlsplit(baseurl))
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14
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15 def __call__(self, environ, start_response):
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16 request = Request(environ)
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17 response = request.get_response(self.app)
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18 if 'Location' in response.headers:
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19 parsed = list(urlparse.urlsplit(response.headers['Location']))
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20 location = ['' for i in range(5)] # new location
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21
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22 # overwrite scheme, netloc, and fragment
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23 for i in (0, 1, 4):
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24 location[i] = self.baseurl[i]
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25
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26 # append path and query string
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27 for i in (2, 3):
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28 location[i] = self.baseurl[i] + parsed[i]
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29
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30 response.headers['Location'] = urlparse.urlunsplit(location)
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31 return response(environ, start_response)
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