mirror of https://github.com/morpheus65535/bazarr
156 lines
5.4 KiB
Python
156 lines
5.4 KiB
Python
#
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# p7zr library
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#
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# Copyright (c) 2019 Hiroshi Miura <miurahr@linux.com>
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# Copyright (c) 2004-2015 by Joachim Bauch, mail@joachim-bauch.de
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# 7-Zip Copyright (C) 1999-2010 Igor Pavlov
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# LZMA SDK Copyright (C) 1999-2010 Igor Pavlov
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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import binascii
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from enum import Enum
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from typing import Optional
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MAGIC_7Z = binascii.unhexlify('377abcaf271c')
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FINISH_7Z = binascii.unhexlify('377abcaf271d')
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READ_BLOCKSIZE = 32248
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QUEUELEN = READ_BLOCKSIZE * 2
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READ_BLOCKSIZE = 32248
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class ByteEnum(bytes, Enum):
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pass
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class Property(ByteEnum):
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"""Hold 7zip property fixed values."""
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END = binascii.unhexlify('00')
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HEADER = binascii.unhexlify('01')
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ARCHIVE_PROPERTIES = binascii.unhexlify('02')
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ADDITIONAL_STREAMS_INFO = binascii.unhexlify('03')
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MAIN_STREAMS_INFO = binascii.unhexlify('04')
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FILES_INFO = binascii.unhexlify('05')
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PACK_INFO = binascii.unhexlify('06')
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UNPACK_INFO = binascii.unhexlify('07')
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SUBSTREAMS_INFO = binascii.unhexlify('08')
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SIZE = binascii.unhexlify('09')
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CRC = binascii.unhexlify('0a')
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FOLDER = binascii.unhexlify('0b')
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CODERS_UNPACK_SIZE = binascii.unhexlify('0c')
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NUM_UNPACK_STREAM = binascii.unhexlify('0d')
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EMPTY_STREAM = binascii.unhexlify('0e')
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EMPTY_FILE = binascii.unhexlify('0f')
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ANTI = binascii.unhexlify('10')
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NAME = binascii.unhexlify('11')
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CREATION_TIME = binascii.unhexlify('12')
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LAST_ACCESS_TIME = binascii.unhexlify('13')
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LAST_WRITE_TIME = binascii.unhexlify('14')
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ATTRIBUTES = binascii.unhexlify('15')
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COMMENT = binascii.unhexlify('16')
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ENCODED_HEADER = binascii.unhexlify('17')
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START_POS = binascii.unhexlify('18')
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DUMMY = binascii.unhexlify('19')
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class CompressionMethod(ByteEnum):
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"""Hold fixed values for method parameter."""
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COPY = binascii.unhexlify('00')
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DELTA = binascii.unhexlify('03')
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BCJ = binascii.unhexlify('04')
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PPC = binascii.unhexlify('05')
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IA64 = binascii.unhexlify('06')
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ARM = binascii.unhexlify('07')
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ARMT = binascii.unhexlify('08')
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SPARC = binascii.unhexlify('09')
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# SWAP = 02..
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SWAP2 = binascii.unhexlify('020302')
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SWAP4 = binascii.unhexlify('020304')
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# 7Z = 03..
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LZMA = binascii.unhexlify('030101')
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PPMD = binascii.unhexlify('030401')
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P7Z_BCJ = binascii.unhexlify('03030103')
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P7Z_BCJ2 = binascii.unhexlify('0303011B')
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BCJ_PPC = binascii.unhexlify('03030205')
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BCJ_IA64 = binascii.unhexlify('03030401')
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BCJ_ARM = binascii.unhexlify('03030501')
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BCJ_ARMT = binascii.unhexlify('03030701')
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BCJ_SPARC = binascii.unhexlify('03030805')
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LZMA2 = binascii.unhexlify('21')
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# MISC : 04..
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MISC_ZIP = binascii.unhexlify('0401')
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MISC_BZIP2 = binascii.unhexlify('040202')
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MISC_DEFLATE = binascii.unhexlify('040108')
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MISC_DEFLATE64 = binascii.unhexlify('040109')
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MISC_Z = binascii.unhexlify('0405')
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MISC_LZH = binascii.unhexlify('0406')
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NSIS_DEFLATE = binascii.unhexlify('040901')
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NSIS_BZIP2 = binascii.unhexlify('040902')
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#
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MISC_ZSTD = binascii.unhexlify('04f71101')
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MISC_BROTLI = binascii.unhexlify('04f71102')
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MISC_LZ4 = binascii.unhexlify('04f71104')
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MISC_LZS = binascii.unhexlify('04f71105')
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MISC_LIZARD = binascii.unhexlify('04f71106')
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# CRYPTO 06..
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CRYPT_ZIPCRYPT = binascii.unhexlify('06f10101')
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CRYPT_RAR29AES = binascii.unhexlify('06f10303')
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CRYPT_AES256_SHA256 = binascii.unhexlify('06f10701')
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class SupportedMethods:
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"""Hold list of methods which python3 can support."""
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formats = [{'name': "7z", 'magic': MAGIC_7Z}]
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codecs = [{'id': CompressionMethod.LZMA, 'name': "LZMA"},
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{'id': CompressionMethod.LZMA2, 'name': "LZMA2"},
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{'id': CompressionMethod.DELTA, 'name': "DELTA"},
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{'id': CompressionMethod.P7Z_BCJ, 'name': "BCJ"},
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{'id': CompressionMethod.BCJ_PPC, 'name': 'PPC'},
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{'id': CompressionMethod.BCJ_IA64, 'name': 'IA64'},
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{'id': CompressionMethod.BCJ_ARM, 'name': "ARM"},
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{'id': CompressionMethod.BCJ_ARMT, 'name': "ARMT"},
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{'id': CompressionMethod.BCJ_SPARC, 'name': 'SPARC'}
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]
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# this class is Borg/Singleton
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class ArchivePassword:
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_shared_state = {
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'_password': None,
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}
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def __init__(self, password: Optional[str] = None):
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self.__dict__ = self._shared_state
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if password is not None:
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self._password = password
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def set(self, password):
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self._password = password
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def get(self):
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if self._password is not None:
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return self._password
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else:
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return ''
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def __str__(self):
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if self._password is not None:
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return self._password
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else:
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return ''
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