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📄 __init__.py(1.26 KB)
📄 __init__.pyc(797 B)
📄 __init__.pyo(797 B)
📄 big5freq.py(80.66 KB)
📄 big5freq.pyc(111.11 KB)
📄 big5freq.pyo(111.11 KB)
📄 big5prober.py(1.64 KB)
📄 big5prober.pyc(1.07 KB)
📄 big5prober.pyo(1.07 KB)
📄 chardetect.py(1.09 KB)
📄 chardetect.pyc(1.46 KB)
📄 chardetect.pyo(1.46 KB)
📄 chardistribution.py(9.01 KB)
📄 chardistribution.pyc(7.35 KB)
📄 chardistribution.pyo(7.35 KB)
📄 charsetgroupprober.py(3.7 KB)
📄 charsetgroupprober.pyc(2.48 KB)
📄 charsetgroupprober.pyo(2.48 KB)
📄 charsetprober.py(1.86 KB)
📄 charsetprober.pyc(2.08 KB)
📄 charsetprober.pyo(2.08 KB)
📄 codingstatemachine.py(2.26 KB)
📄 codingstatemachine.pyc(1.74 KB)
📄 codingstatemachine.pyo(1.74 KB)
📄 compat.py(1.13 KB)
📄 compat.pyc(559 B)
📄 compat.pyo(559 B)
📄 constants.py(1.3 KB)
📄 constants.pyc(332 B)
📄 constants.pyo(332 B)
📄 cp949prober.py(1.74 KB)
📄 cp949prober.pyc(1.07 KB)
📄 cp949prober.pyo(1.07 KB)
📄 escprober.py(3.11 KB)
📄 escprober.pyc(2.31 KB)
📄 escprober.pyo(2.31 KB)
📄 escsm.py(7.66 KB)
📄 escsm.pyc(7.13 KB)
📄 escsm.pyo(7.13 KB)
📄 eucjpprober.py(3.59 KB)
📄 eucjpprober.pyc(2.71 KB)
📄 eucjpprober.pyo(2.71 KB)
📄 euckrfreq.py(44.9 KB)
📄 euckrfreq.pyc(86.69 KB)
📄 euckrfreq.pyo(86.69 KB)
📄 euckrprober.py(1.64 KB)
📄 euckrprober.pyc(1.08 KB)
📄 euckrprober.pyo(1.08 KB)
📄 euctwfreq.py(34.05 KB)
📄 euctwfreq.pyc(59.74 KB)
📄 euctwfreq.pyo(59.74 KB)
📄 euctwprober.py(1.64 KB)
📄 euctwprober.pyc(1.08 KB)
📄 euctwprober.pyo(1.08 KB)
📄 gb2312freq.py(35.17 KB)
📄 gb2312freq.pyc(67.17 KB)
📄 gb2312freq.pyo(67.17 KB)
📄 gb2312prober.py(1.64 KB)
📄 gb2312prober.pyc(1.08 KB)
📄 gb2312prober.pyo(1.08 KB)
📄 hebrewprober.py(13.05 KB)
📄 hebrewprober.pyc(3.32 KB)
📄 hebrewprober.pyo(3.32 KB)
📄 jisfreq.py(46.21 KB)
📄 jisfreq.pyc(82.03 KB)
📄 jisfreq.pyo(82.03 KB)
📄 jpcntx.py(18.66 KB)
📄 jpcntx.pyc(24.04 KB)
📄 jpcntx.pyo(24.04 KB)
📄 langbulgarianmodel.py(12.48 KB)
📄 langbulgarianmodel.pyc(24.3 KB)
📄 langbulgarianmodel.pyo(24.3 KB)
📄 langcyrillicmodel.py(17.31 KB)
📄 langcyrillicmodel.pyc(29.85 KB)
📄 langcyrillicmodel.pyo(29.85 KB)
📄 langgreekmodel.py(12.33 KB)
📄 langgreekmodel.pyc(24 KB)
📄 langgreekmodel.pyo(24 KB)
📄 langhebrewmodel.py(11.05 KB)
📄 langhebrewmodel.pyc(22.84 KB)
📄 langhebrewmodel.pyo(22.84 KB)
📄 langhungarianmodel.py(12.24 KB)
📄 langhungarianmodel.pyc(24.29 KB)
📄 langhungarianmodel.pyo(24.29 KB)
📄 langthaimodel.py(11.01 KB)
📄 langthaimodel.pyc(22.83 KB)
📄 langthaimodel.pyo(22.83 KB)
📄 latin1prober.py(5.12 KB)
📄 latin1prober.pyc(3.37 KB)
📄 latin1prober.pyo(3.37 KB)
📄 mbcharsetprober.py(3.19 KB)
📄 mbcharsetprober.pyc(2.36 KB)
📄 mbcharsetprober.pyo(2.36 KB)
📄 mbcsgroupprober.py(1.92 KB)
📄 mbcsgroupprober.pyc(1.22 KB)
📄 mbcsgroupprober.pyo(1.22 KB)
📄 mbcssm.py(19.15 KB)
📄 mbcssm.pyc(17.25 KB)
📄 mbcssm.pyo(17.25 KB)
📄 sbcharsetprober.py(4.68 KB)
📄 sbcharsetprober.pyc(3.22 KB)
📄 sbcharsetprober.pyo(3.22 KB)
📄 sbcsgroupprober.py(3.21 KB)
📄 sbcsgroupprober.pyc(1.89 KB)
📄 sbcsgroupprober.pyo(1.89 KB)
📄 sjisprober.py(3.65 KB)
📄 sjisprober.pyc(2.73 KB)
📄 sjisprober.pyo(2.73 KB)
📄 universaldetector.py(6.67 KB)
📄 universaldetector.pyc(4.02 KB)
📄 universaldetector.pyo(4.02 KB)
📄 utf8prober.py(2.59 KB)
📄 utf8prober.pyc(2.14 KB)
📄 utf8prober.pyo(2.14 KB)

Editing: latin1prober.py

######################## BEGIN LICENSE BLOCK ########################
# The Original Code is Mozilla Universal charset detector code.
#
# The Initial Developer of the Original Code is
# Netscape Communications Corporation.
# Portions created by the Initial Developer are Copyright (C) 2001
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
#   Mark Pilgrim - port to Python
#   Shy Shalom - original C code
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
# 02110-1301  USA
######################### END LICENSE BLOCK #########################

from .charsetprober import CharSetProber
from .constants import eNotMe
from .compat import wrap_ord

FREQ_CAT_NUM = 4

UDF = 0  # undefined
OTH = 1  # other
ASC = 2  # ascii capital letter
ASS = 3  # ascii small letter
ACV = 4  # accent capital vowel
ACO = 5  # accent capital other
ASV = 6  # accent small vowel
ASO = 7  # accent small other
CLASS_NUM = 8  # total classes

Latin1_CharToClass = (
    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # 00 - 07
    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # 08 - 0F
    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # 10 - 17
    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # 18 - 1F
    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # 20 - 27
    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # 28 - 2F
    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # 30 - 37
    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # 38 - 3F
    OTH, ASC, ASC, ASC, ASC, ASC, ASC, ASC,   # 40 - 47
    ASC, ASC, ASC, ASC, ASC, ASC, ASC, ASC,   # 48 - 4F
    ASC, ASC, ASC, ASC, ASC, ASC, ASC, ASC,   # 50 - 57
    ASC, ASC, ASC, OTH, OTH, OTH, OTH, OTH,   # 58 - 5F
    OTH, ASS, ASS, ASS, ASS, ASS, ASS, ASS,   # 60 - 67
    ASS, ASS, ASS, ASS, ASS, ASS, ASS, ASS,   # 68 - 6F
    ASS, ASS, ASS, ASS, ASS, ASS, ASS, ASS,   # 70 - 77
    ASS, ASS, ASS, OTH, OTH, OTH, OTH, OTH,   # 78 - 7F
    OTH, UDF, OTH, ASO, OTH, OTH, OTH, OTH,   # 80 - 87
    OTH, OTH, ACO, OTH, ACO, UDF, ACO, UDF,   # 88 - 8F
    UDF, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # 90 - 97
    OTH, OTH, ASO, OTH, ASO, UDF, ASO, ACO,   # 98 - 9F
    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # A0 - A7
    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # A8 - AF
    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # B0 - B7
    OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH,   # B8 - BF
    ACV, ACV, ACV, ACV, ACV, ACV, ACO, ACO,   # C0 - C7
    ACV, ACV, ACV, ACV, ACV, ACV, ACV, ACV,   # C8 - CF
    ACO, ACO, ACV, ACV, ACV, ACV, ACV, OTH,   # D0 - D7
    ACV, ACV, ACV, ACV, ACV, ACO, ACO, ACO,   # D8 - DF
    ASV, ASV, ASV, ASV, ASV, ASV, ASO, ASO,   # E0 - E7
    ASV, ASV, ASV, ASV, ASV, ASV, ASV, ASV,   # E8 - EF
    ASO, ASO, ASV, ASV, ASV, ASV, ASV, OTH,   # F0 - F7
    ASV, ASV, ASV, ASV, ASV, ASO, ASO, ASO,   # F8 - FF
)

# 0 : illegal
# 1 : very unlikely
# 2 : normal
# 3 : very likely
Latin1ClassModel = (
    # UDF OTH ASC ASS ACV ACO ASV ASO
    0,  0,  0,  0,  0,  0,  0,  0,  # UDF
    0,  3,  3,  3,  3,  3,  3,  3,  # OTH
    0,  3,  3,  3,  3,  3,  3,  3,  # ASC
    0,  3,  3,  3,  1,  1,  3,  3,  # ASS
    0,  3,  3,  3,  1,  2,  1,  2,  # ACV
    0,  3,  3,  3,  3,  3,  3,  3,  # ACO
    0,  3,  1,  3,  1,  1,  1,  3,  # ASV
    0,  3,  1,  3,  1,  1,  3,  3,  # ASO
)

class Latin1Prober(CharSetProber):
    def __init__(self):
        CharSetProber.__init__(self)
        self.reset()

def reset(self):
        self._mLastCharClass = OTH
        self._mFreqCounter = [0] * FREQ_CAT_NUM
        CharSetProber.reset(self)

def get_charset_name(self):
        return "windows-1252"

def feed(self, aBuf):
        aBuf = self.filter_with_english_letters(aBuf)
        for c in aBuf:
            charClass = Latin1_CharToClass[wrap_ord(c)]
            freq = Latin1ClassModel[(self._mLastCharClass * CLASS_NUM)
                                    + charClass]
            if freq == 0:
                self._mState = eNotMe
                break
            self._mFreqCounter[freq] += 1
            self._mLastCharClass = charClass

return self.get_state()

def get_confidence(self):
        if self.get_state() == eNotMe:
            return 0.01

total = sum(self._mFreqCounter)
        if total < 0.01:
            confidence = 0.0
        else:
            confidence = ((self._mFreqCounter[3] / total)
                          - (self._mFreqCounter[1] * 20.0 / total))
        if confidence < 0.0:
            confidence = 0.0
        # lower the confidence of latin1 so that other more accurate
        # detector can take priority.
        confidence = confidence * 0.5
        return confidence

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