venv/lib/python3.9/site-packages/pip/_vendor/chardet/sbcsgroupprober.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 .charsetgroupprober import CharSetGroupProber
from .hebrewprober import HebrewProber
from .langbulgarianmodel import ISO_8859_5_BULGARIAN_MODEL, WINDOWS_1251_BULGARIAN_MODEL
from .langgreekmodel import ISO_8859_7_GREEK_MODEL, WINDOWS_1253_GREEK_MODEL
from .langhebrewmodel import WINDOWS_1255_HEBREW_MODEL

# from .langhungarianmodel import (ISO_8859_2_HUNGARIAN_MODEL,
#                                  WINDOWS_1250_HUNGARIAN_MODEL)
from .langrussianmodel import (
    IBM855_RUSSIAN_MODEL,
    IBM866_RUSSIAN_MODEL,
    ISO_8859_5_RUSSIAN_MODEL,
    KOI8_R_RUSSIAN_MODEL,
    MACCYRILLIC_RUSSIAN_MODEL,
    WINDOWS_1251_RUSSIAN_MODEL,
)
from .langthaimodel import TIS_620_THAI_MODEL
from .langturkishmodel import ISO_8859_9_TURKISH_MODEL
from .sbcharsetprober import SingleByteCharSetProber


class SBCSGroupProber(CharSetGroupProber):
    def __init__(self):
        super().__init__()
        hebrew_prober = HebrewProber()
        logical_hebrew_prober = SingleByteCharSetProber(
            WINDOWS_1255_HEBREW_MODEL, is_reversed=False, name_prober=hebrew_prober
        )
        # TODO: See if using ISO-8859-8 Hebrew model works better here, since
        #       it's actually the visual one
        visual_hebrew_prober = SingleByteCharSetProber(
            WINDOWS_1255_HEBREW_MODEL, is_reversed=True, name_prober=hebrew_prober
        )
        hebrew_prober.set_model_probers(logical_hebrew_prober, visual_hebrew_prober)
        # TODO: ORDER MATTERS HERE. I changed the order vs what was in master
        #       and several tests failed that did not before. Some thought
        #       should be put into the ordering, and we should consider making
        #       order not matter here, because that is very counter-intuitive.
        self.probers = [
            SingleByteCharSetProber(WINDOWS_1251_RUSSIAN_MODEL),
            SingleByteCharSetProber(KOI8_R_RUSSIAN_MODEL),
            SingleByteCharSetProber(ISO_8859_5_RUSSIAN_MODEL),
            SingleByteCharSetProber(MACCYRILLIC_RUSSIAN_MODEL),
            SingleByteCharSetProber(IBM866_RUSSIAN_MODEL),
            SingleByteCharSetProber(IBM855_RUSSIAN_MODEL),
            SingleByteCharSetProber(ISO_8859_7_GREEK_MODEL),
            SingleByteCharSetProber(WINDOWS_1253_GREEK_MODEL),
            SingleByteCharSetProber(ISO_8859_5_BULGARIAN_MODEL),
            SingleByteCharSetProber(WINDOWS_1251_BULGARIAN_MODEL),
            # TODO: Restore Hungarian encodings (iso-8859-2 and windows-1250)
            #       after we retrain model.
            # SingleByteCharSetProber(ISO_8859_2_HUNGARIAN_MODEL),
            # SingleByteCharSetProber(WINDOWS_1250_HUNGARIAN_MODEL),
            SingleByteCharSetProber(TIS_620_THAI_MODEL),
            SingleByteCharSetProber(ISO_8859_9_TURKISH_MODEL),
            hebrew_prober,
            logical_hebrew_prober,
            visual_hebrew_prober,
        ]
        self.reset()