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PATH: opt / bitninja-python-dojo / embedded / lib / python3.9 / encodings

"""Python 'bz2_codec' Codec - bz2 compression encoding.

This codec de/encodes from bytes to bytes and is therefore usable with
bytes.transform() and bytes.untransform().

Adapted by Raymond Hettinger from zlib_codec.py which was written
by Marc-Andre Lemburg (mal@lemburg.com).
"""

import codecs
import bz2 # this codec needs the optional bz2 module !

### Codec APIs

def bz2_encode(input, errors='strict'):
    assert errors == 'strict'
    return (bz2.compress(input), len(input))

def bz2_decode(input, errors='strict'):
    assert errors == 'strict'
    return (bz2.decompress(input), len(input))

class Codec(codecs.Codec):
    def encode(self, input, errors='strict'):
        return bz2_encode(input, errors)
    def decode(self, input, errors='strict'):
        return bz2_decode(input, errors)

class IncrementalEncoder(codecs.IncrementalEncoder):
    def __init__(self, errors='strict'):
        assert errors == 'strict'
        self.errors = errors
        self.compressobj = bz2.BZ2Compressor()

def encode(self, input, final=False):
        if final:
            c = self.compressobj.compress(input)
            return c + self.compressobj.flush()
        else:
            return self.compressobj.compress(input)

def reset(self):
        self.compressobj = bz2.BZ2Compressor()

class IncrementalDecoder(codecs.IncrementalDecoder):
    def __init__(self, errors='strict'):
        assert errors == 'strict'
        self.errors = errors
        self.decompressobj = bz2.BZ2Decompressor()

def decode(self, input, final=False):
        try:
            return self.decompressobj.decompress(input)
        except EOFError:
            return ''

def reset(self):
        self.decompressobj = bz2.BZ2Decompressor()

class StreamWriter(Codec, codecs.StreamWriter):
    charbuffertype = bytes

class StreamReader(Codec, codecs.StreamReader):
    charbuffertype = bytes

### encodings module API

def getregentry():
    return codecs.CodecInfo(
        name="bz2",
        encode=bz2_encode,
        decode=bz2_decode,
        incrementalencoder=IncrementalEncoder,
        incrementaldecoder=IncrementalDecoder,
        streamwriter=StreamWriter,
        streamreader=StreamReader,
        _is_text_encoding=False,
    )

[-] palmos.py [edit]
[-] iso8859_3.py [edit]
[-] kz1048.py [edit]
[-] euc_jis_2004.py [edit]
[-] iso8859_15.py [edit]
[-] cp1256.py [edit]
[-] mac_croatian.py [edit]
[-] raw_unicode_escape.py [edit]
[-] unicode_escape.py [edit]
[-] utf_32_be.py [edit]
[-] mac_roman.py [edit]
[-] iso8859_14.py [edit]
[-] cp862.py [edit]
[-] charmap.py [edit]
[-] iso2022_jp_2004.py [edit]
[-] iso8859_5.py [edit]
[-] cp1251.py [edit]
[-] iso8859_10.py [edit]
[-] koi8_u.py [edit]
[-] hz.py [edit]
[-] oem.py [edit]
[-] cp037.py [edit]
[-] euc_jisx0213.py [edit]
[-] utf_32_le.py [edit]
[-] cp1026.py [edit]
[-] iso2022_jp_ext.py [edit]
[-] iso8859_11.py [edit]
[-] latin_1.py [edit]
[-] utf_32.py [edit]
[-] quopri_codec.py [edit]
[+] ..
[-] tis_620.py [edit]
[-] rot_13.py [edit]
[-] cp874.py [edit]
[-] shift_jis.py [edit]
[-] iso8859_2.py [edit]
[-] gb18030.py [edit]
[-] cp864.py [edit]
[-] cp875.py [edit]
[-] cp1125.py [edit]
[-] cp1254.py [edit]
[-] undefined.py [edit]
[-] iso8859_6.py [edit]
[-] cp1006.py [edit]
[-] cp860.py [edit]
[-] mac_farsi.py [edit]
[-] hex_codec.py [edit]
[-] mac_cyrillic.py [edit]
[-] cp1257.py [edit]
[-] ptcp154.py [edit]
[-] cp949.py [edit]
[-] cp861.py [edit]
[-] mac_arabic.py [edit]
[-] zlib_codec.py [edit]
[-] iso8859_8.py [edit]
[-] gb2312.py [edit]
[-] utf_8_sig.py [edit]
[-] gbk.py [edit]
[-] big5hkscs.py [edit]
[-] mac_iceland.py [edit]
[-] base64_codec.py [edit]
[-] aliases.py [edit]
[-] iso8859_7.py [edit]
[-] cp424.py [edit]
[-] utf_16_le.py [edit]
[-] cp437.py [edit]
[-] iso8859_16.py [edit]
[-] cp866.py [edit]
[-] euc_kr.py [edit]
[-] cp500.py [edit]
[-] iso2022_jp_3.py [edit]
[-] cp1250.py [edit]
[-] cp869.py [edit]
[-] shift_jisx0213.py [edit]
[-] utf_8.py [edit]
[-] cp737.py [edit]
[+] __pycache__
[-] cp850.py [edit]
[-] iso2022_jp_1.py [edit]
[-] cp1255.py [edit]
[-] cp863.py [edit]
[-] cp858.py [edit]
[-] koi8_r.py [edit]
[-] mac_greek.py [edit]
[-] cp1253.py [edit]
[-] cp273.py [edit]
[-] euc_jp.py [edit]
[-] punycode.py [edit]
[-] ascii.py [edit]
[-] cp932.py [edit]
[-] shift_jis_2004.py [edit]
[-] bz2_codec.py [edit]
[-] utf_7.py [edit]
[-] cp855.py [edit]
[-] uu_codec.py [edit]
[-] utf_16.py [edit]
[-] koi8_t.py [edit]
[-] cp1258.py [edit]
[-] cp950.py [edit]
[-] cp857.py [edit]
[-] cp1140.py [edit]
[-] cp852.py [edit]
[-] hp_roman8.py [edit]
[-] iso8859_9.py [edit]
[-] idna.py [edit]
[-] __init__.py [edit]
[-] mac_turkish.py [edit]
[-] utf_16_be.py [edit]
[-] cp856.py [edit]
[-] cp720.py [edit]
[-] iso8859_4.py [edit]
[-] iso8859_13.py [edit]
[-] mbcs.py [edit]
[-] johab.py [edit]
[-] cp775.py [edit]
[-] iso2022_kr.py [edit]
[-] big5.py [edit]
[-] iso2022_jp.py [edit]
[-] iso8859_1.py [edit]
[-] iso2022_jp_2.py [edit]
[-] mac_romanian.py [edit]
[-] cp1252.py [edit]
[-] cp865.py [edit]
[-] mac_latin2.py [edit]