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Viewing changes to python_attributes/functional/requests_get_headers/requests/packages/charade/sjisprober.py

  • Committer: Marc Abramowitz
  • Date: 2013-12-03 23:22:08 UTC
  • Revision ID: marc@marc-abramowitz.com-20131203232208-x5zz4wvo0zlr04ek
Add functional test: requests_get_headers

This test currently fails with a TypeError exception because of the bug in
https://bugs.launchpad.net/capturemock/+bug/1256218

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python_attributes/functional/requests_get_headers/requests/packages/charade/sjisprober.py
 
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######################## BEGIN LICENSE BLOCK ########################
 
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# The Original Code is mozilla.org code.
 
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#
 
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# The Initial Developer of the Original Code is
 
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# Netscape Communications Corporation.
 
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# Portions created by the Initial Developer are Copyright (C) 1998
 
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# the Initial Developer. All Rights Reserved.
 
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#
 
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# Contributor(s):
 
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#   Mark Pilgrim - port to Python
 
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#
 
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# This library is free software; you can redistribute it and/or
 
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# modify it under the terms of the GNU Lesser General Public
 
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# License as published by the Free Software Foundation; either
 
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# version 2.1 of the License, or (at your option) any later version.
 
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#
 
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# This library is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 
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# Lesser General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU Lesser General Public
 
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# License along with this library; if not, write to the Free Software
 
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 
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# 02110-1301  USA
 
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######################### END LICENSE BLOCK #########################
 
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import sys
 
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from .mbcharsetprober import MultiByteCharSetProber
 
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from .codingstatemachine import CodingStateMachine
 
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from .chardistribution import SJISDistributionAnalysis
 
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from .jpcntx import SJISContextAnalysis
 
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from .mbcssm import SJISSMModel
 
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from . import constants
 
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class SJISProber(MultiByteCharSetProber):
 
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    def __init__(self):
 
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        MultiByteCharSetProber.__init__(self)
 
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        self._mCodingSM = CodingStateMachine(SJISSMModel)
 
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        self._mDistributionAnalyzer = SJISDistributionAnalysis()
 
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        self._mContextAnalyzer = SJISContextAnalysis()
 
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        self.reset()
 
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    def reset(self):
 
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        MultiByteCharSetProber.reset(self)
 
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        self._mContextAnalyzer.reset()
 
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    def get_charset_name(self):
 
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        return "SHIFT_JIS"
 
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    def feed(self, aBuf):
 
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        aLen = len(aBuf)
 
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        for i in range(0, aLen):
 
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            codingState = self._mCodingSM.next_state(aBuf[i])
 
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            if codingState == constants.eError:
 
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                if constants._debug:
 
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                    sys.stderr.write(self.get_charset_name()
 
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                                     + ' prober hit error at byte ' + str(i)
 
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                                     + '\n')
 
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                self._mState = constants.eNotMe
 
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                break
 
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            elif codingState == constants.eItsMe:
 
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                self._mState = constants.eFoundIt
 
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                break
 
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            elif codingState == constants.eStart:
 
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                charLen = self._mCodingSM.get_current_charlen()
 
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                if i == 0:
 
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                    self._mLastChar[1] = aBuf[0]
 
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                    self._mContextAnalyzer.feed(self._mLastChar[2 - charLen:],
 
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                                                charLen)
 
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                    self._mDistributionAnalyzer.feed(self._mLastChar, charLen)
 
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                else:
 
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                    self._mContextAnalyzer.feed(aBuf[i + 1 - charLen:i + 3
 
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                                                     - charLen], charLen)
 
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                    self._mDistributionAnalyzer.feed(aBuf[i - 1:i + 1],
 
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                                                     charLen)
 
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        self._mLastChar[0] = aBuf[aLen - 1]
 
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        if self.get_state() == constants.eDetecting:
 
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            if (self._mContextAnalyzer.got_enough_data() and
 
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               (self.get_confidence() > constants.SHORTCUT_THRESHOLD)):
 
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                self._mState = constants.eFoundIt
 
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        return self.get_state()
 
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    def get_confidence(self):
 
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        contxtCf = self._mContextAnalyzer.get_confidence()
 
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        distribCf = self._mDistributionAnalyzer.get_confidence()
 
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        return max(contxtCf, distribCf)