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annotate venv/lib/python2.7/site-packages/requests/packages/chardet/codingstatemachine.py @ 0:d67268158946 draft

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planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
author bcclaywell
date Mon, 12 Oct 2015 17:43:33 -0400
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1 ######################## BEGIN LICENSE BLOCK ########################
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2 # The Original Code is mozilla.org code.
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3 #
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4 # The Initial Developer of the Original Code is
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5 # Netscape Communications Corporation.
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6 # Portions created by the Initial Developer are Copyright (C) 1998
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7 # the Initial Developer. All Rights Reserved.
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8 #
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9 # Contributor(s):
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10 # Mark Pilgrim - port to Python
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11 #
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12 # This library is free software; you can redistribute it and/or
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13 # modify it under the terms of the GNU Lesser General Public
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14 # License as published by the Free Software Foundation; either
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15 # version 2.1 of the License, or (at your option) any later version.
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16 #
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17 # This library is distributed in the hope that it will be useful,
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18 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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19 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 # Lesser General Public License for more details.
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21 #
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22 # You should have received a copy of the GNU Lesser General Public
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23 # License along with this library; if not, write to the Free Software
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24 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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25 # 02110-1301 USA
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26 ######################### END LICENSE BLOCK #########################
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27
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28 from .constants import eStart
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29 from .compat import wrap_ord
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30
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31
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32 class CodingStateMachine:
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33 def __init__(self, sm):
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34 self._mModel = sm
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35 self._mCurrentBytePos = 0
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36 self._mCurrentCharLen = 0
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37 self.reset()
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38
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39 def reset(self):
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40 self._mCurrentState = eStart
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41
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42 def next_state(self, c):
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43 # for each byte we get its class
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44 # if it is first byte, we also get byte length
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45 # PY3K: aBuf is a byte stream, so c is an int, not a byte
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46 byteCls = self._mModel['classTable'][wrap_ord(c)]
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47 if self._mCurrentState == eStart:
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48 self._mCurrentBytePos = 0
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49 self._mCurrentCharLen = self._mModel['charLenTable'][byteCls]
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50 # from byte's class and stateTable, we get its next state
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51 curr_state = (self._mCurrentState * self._mModel['classFactor']
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52 + byteCls)
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53 self._mCurrentState = self._mModel['stateTable'][curr_state]
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54 self._mCurrentBytePos += 1
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55 return self._mCurrentState
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56
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57 def get_current_charlen(self):
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58 return self._mCurrentCharLen
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59
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60 def get_coding_state_machine(self):
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61 return self._mModel['name']