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https://github.com/python/cpython
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The bz2 codec isn't supported any more. I've also commented out several codecs which were removed in the past.
This commit is contained in:
Christian Heimes
parent
d8654cf758
commit
b9819954aa
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@ -33,9 +33,9 @@
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'us' : 'ascii',
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'us_ascii' : 'ascii',
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# base64_codec codec
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'base64' : 'base64_codec',
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'base_64' : 'base64_codec',
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## base64_codec codec
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#'base64' : 'base64_codec',
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#'base_64' : 'base64_codec',
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# big5 codec
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'big5_tw' : 'big5',
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@ -45,8 +45,8 @@
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'big5_hkscs' : 'big5hkscs',
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'hkscs' : 'big5hkscs',
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# bz2_codec codec
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'bz2' : 'bz2_codec',
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## bz2_codec codec
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#'bz2' : 'bz2_codec',
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# cp037 codec
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'037' : 'cp037',
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@ -243,8 +243,8 @@
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'cp936' : 'gbk',
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'ms936' : 'gbk',
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# hex_codec codec
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'hex' : 'hex_codec',
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## hex_codec codec
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#'hex' : 'hex_codec',
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# hp_roman8 codec
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'roman8' : 'hp_roman8',
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@ -444,13 +444,13 @@
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'cp154' : 'ptcp154',
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'cyrillic-asian' : 'ptcp154',
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# quopri_codec codec
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'quopri' : 'quopri_codec',
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'quoted_printable' : 'quopri_codec',
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'quotedprintable' : 'quopri_codec',
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## quopri_codec codec
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#'quopri' : 'quopri_codec',
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#'quoted_printable' : 'quopri_codec',
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#'quotedprintable' : 'quopri_codec',
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# rot_13 codec
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'rot13' : 'rot_13',
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## rot_13 codec
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#'rot13' : 'rot_13',
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# shift_jis codec
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'csshiftjis' : 'shift_jis',
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@ -512,11 +512,11 @@
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'utf8_ucs2' : 'utf_8',
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'utf8_ucs4' : 'utf_8',
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# uu_codec codec
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'uu' : 'uu_codec',
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## uu_codec codec
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#'uu' : 'uu_codec',
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# zlib_codec codec
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'zip' : 'zlib_codec',
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'zlib' : 'zlib_codec',
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## zlib_codec codec
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#'zip' : 'zlib_codec',
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#'zlib' : 'zlib_codec',
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}
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@ -1,102 +0,0 @@
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""" Python 'bz2_codec' Codec - bz2 compression encoding
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Unlike most of the other codecs which target Unicode, this codec
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will return Python string objects for both encode and decode.
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Adapted by Raymond Hettinger from zlib_codec.py which was written
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by Marc-Andre Lemburg (mal@lemburg.com).
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"""
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import codecs
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import bz2 # this codec needs the optional bz2 module !
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### Codec APIs
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def bz2_encode(input,errors='strict'):
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""" Encodes the object input and returns a tuple (output
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object, length consumed).
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errors defines the error handling to apply. It defaults to
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'strict' handling which is the only currently supported
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error handling for this codec.
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"""
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assert errors == 'strict'
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output = bz2.compress(input)
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return (output, len(input))
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def bz2_decode(input,errors='strict'):
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""" Decodes the object input and returns a tuple (output
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object, length consumed).
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input must be an object which provides the bf_getreadbuf
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buffer slot. Python strings, buffer objects and memory
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mapped files are examples of objects providing this slot.
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errors defines the error handling to apply. It defaults to
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'strict' handling which is the only currently supported
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error handling for this codec.
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"""
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assert errors == 'strict'
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output = bz2.decompress(input)
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return (output, len(input))
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class Codec(codecs.Codec):
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def encode(self, input, errors='strict'):
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return bz2_encode(input, errors)
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def decode(self, input, errors='strict'):
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return bz2_decode(input, errors)
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class IncrementalEncoder(codecs.IncrementalEncoder):
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def __init__(self, errors='strict'):
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assert errors == 'strict'
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self.errors = errors
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self.compressobj = bz2.BZ2Compressor()
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def encode(self, input, final=False):
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if final:
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c = self.compressobj.compress(input)
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return c + self.compressobj.flush()
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else:
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return self.compressobj.compress(input)
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def reset(self):
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self.compressobj = bz2.BZ2Compressor()
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class IncrementalDecoder(codecs.IncrementalDecoder):
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def __init__(self, errors='strict'):
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assert errors == 'strict'
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self.errors = errors
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self.decompressobj = bz2.BZ2Decompressor()
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def decode(self, input, final=False):
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try:
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return self.decompressobj.decompress(input)
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except EOFError:
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return ''
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def reset(self):
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self.decompressobj = bz2.BZ2Decompressor()
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class StreamWriter(Codec,codecs.StreamWriter):
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pass
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class StreamReader(Codec,codecs.StreamReader):
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pass
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### encodings module API
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def getregentry():
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return codecs.CodecInfo(
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name="bz2",
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encode=bz2_encode,
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decode=bz2_decode,
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incrementalencoder=IncrementalEncoder,
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incrementaldecoder=IncrementalDecoder,
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streamwriter=StreamWriter,
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streamreader=StreamReader,
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)
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