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ðŸ“ ..
ðŸ“„ __init__.py(3.19 KB)
ðŸ“ __pycache__
ðŸ“„ big5freq.py(30.52 KB)
ðŸ“„ big5prober.py(1.72 KB)
ðŸ“„ chardistribution.py(9.19 KB)
ðŸ“„ charsetgroupprober.py(3.75 KB)
ðŸ“„ charsetprober.py(4.99 KB)
ðŸ“ cli
ðŸ“„ codingstatemachine.py(3.51 KB)
ðŸ“„ compat.py(1.17 KB)
ðŸ“„ cp949prober.py(1.81 KB)
ðŸ“„ enums.py(1.62 KB)
ðŸ“„ escprober.py(3.86 KB)
ðŸ“„ escsm.py(10.26 KB)
ðŸ“„ eucjpprober.py(3.66 KB)
ðŸ“„ euckrfreq.py(13.23 KB)
ðŸ“„ euckrprober.py(1.71 KB)
ðŸ“„ euctwfreq.py(30.88 KB)
ðŸ“„ euctwprober.py(1.71 KB)
ðŸ“„ gb2312freq.py(20.23 KB)
ðŸ“„ gb2312prober.py(1.71 KB)
ðŸ“„ hebrewprober.py(13.51 KB)
ðŸ“„ jisfreq.py(25.17 KB)
ðŸ“„ jpcntx.py(19.18 KB)
ðŸ“„ langbulgarianmodel.py(103.2 KB)
ðŸ“„ langgreekmodel.py(97.22 KB)
ðŸ“„ langhebrewmodel.py(96.44 KB)
ðŸ“„ langhungarianmodel.py(100.07 KB)
ðŸ“„ langrussianmodel.py(128.08 KB)
ðŸ“„ langthaimodel.py(100.87 KB)
ðŸ“„ langturkishmodel.py(93.68 KB)
ðŸ“„ latin1prober.py(5.24 KB)
ðŸ“„ mbcharsetprober.py(3.33 KB)
ðŸ“„ mbcsgroupprober.py(1.96 KB)
ðŸ“„ mbcssm.py(24.88 KB)
ðŸ“ metadata
ðŸ“„ sbcharsetprober.py(5.99 KB)
ðŸ“„ sbcsgroupprober.py(4.21 KB)
ðŸ“„ sjisprober.py(3.69 KB)
ðŸ“„ universaldetector.py(12.21 KB)
ðŸ“„ utf8prober.py(2.7 KB)
ðŸ“„ version.py(242 B)

Editing: utf8prober.py

######################## BEGIN LICENSE BLOCK ########################
# The Original Code is mozilla.org code.
#
# The Initial Developer of the Original Code is
# Netscape Communications Corporation.
# Portions created by the Initial Developer are Copyright (C) 1998
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
#   Mark Pilgrim - port to Python
#
# 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 .enums import ProbingState, MachineState
from .codingstatemachine import CodingStateMachine
from .mbcssm import UTF8_SM_MODEL

class UTF8Prober(CharSetProber):
    ONE_CHAR_PROB = 0.5

def __init__(self):
        super(UTF8Prober, self).__init__()
        self.coding_sm = CodingStateMachine(UTF8_SM_MODEL)
        self._num_mb_chars = None
        self.reset()

def reset(self):
        super(UTF8Prober, self).reset()
        self.coding_sm.reset()
        self._num_mb_chars = 0

@property
    def charset_name(self):
        return "utf-8"

@property
    def language(self):
        return ""

def feed(self, byte_str):
        for c in byte_str:
            coding_state = self.coding_sm.next_state(c)
            if coding_state == MachineState.ERROR:
                self._state = ProbingState.NOT_ME
                break
            elif coding_state == MachineState.ITS_ME:
                self._state = ProbingState.FOUND_IT
                break
            elif coding_state == MachineState.START:
                if self.coding_sm.get_current_charlen() >= 2:
                    self._num_mb_chars += 1

if self.state == ProbingState.DETECTING:
            if self.get_confidence() > self.SHORTCUT_THRESHOLD:
                self._state = ProbingState.FOUND_IT

return self.state

def get_confidence(self):
        unlike = 0.99
        if self._num_mb_chars < 6:
            unlike *= self.ONE_CHAR_PROB ** self._num_mb_chars
            return 1.0 - unlike
        else:
            return unlike

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Editing: utf8prober.py

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