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1 """twisted server for CubicWeb web instances |
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2 |
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3 :organization: Logilab |
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4 :copyright: 2001-2011 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2. |
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5 :contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr |
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6 :license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses |
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7 """ |
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8 |
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9 __docformat__ = "restructuredtext en" |
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10 |
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11 class HTTPResponse(object): |
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12 """An object representing an HTTP Response to be sent to the client. |
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13 """ |
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14 def __init__(self, twisted_request, code=None, headers=None, stream=None): |
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15 self._headers_out = headers |
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16 self._twreq = twisted_request |
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17 self._stream = stream |
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18 self._code = code |
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19 |
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20 self._init_headers() |
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21 self._finalize() |
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22 |
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23 def _init_headers(self): |
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24 if self._headers_out is None: |
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25 return |
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26 # initialize headers |
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27 for k, values in self._headers_out.getAllRawHeaders(): |
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28 self._twreq.responseHeaders.setRawHeaders(k, values) |
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29 # add content-length if not present |
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30 if (self._headers_out.getHeader('content-length') is None |
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31 and self._stream is not None): |
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32 self._twreq.setHeader('content-length', len(self._stream)) |
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33 |
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34 def _finalize(self): |
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35 # we must set code before writing anything, else it's too late |
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36 if self._code is not None: |
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37 self._twreq.setResponseCode(self._code) |
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38 if self._stream is not None: |
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39 self._twreq.write(str(self._stream)) |
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40 self._twreq.finish() |
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41 |
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42 def __repr__(self): |
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43 return "<%s.%s code=%d>" % (self.__module__, self.__class__.__name__, self._code) |