mirror of https://github.com/python/cpython
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
|
|
@ -33,9 +33,9 @@ aliases = {
|
|||
'us' : 'ascii',
|
||||
'us_ascii' : 'ascii',
|
||||
|
||||
# base64_codec codec
|
||||
'base64' : 'base64_codec',
|
||||
'base_64' : 'base64_codec',
|
||||
## base64_codec codec
|
||||
#'base64' : 'base64_codec',
|
||||
#'base_64' : 'base64_codec',
|
||||
|
||||
# big5 codec
|
||||
'big5_tw' : 'big5',
|
||||
|
|
@ -45,8 +45,8 @@ aliases = {
|
|||
'big5_hkscs' : 'big5hkscs',
|
||||
'hkscs' : 'big5hkscs',
|
||||
|
||||
# bz2_codec codec
|
||||
'bz2' : 'bz2_codec',
|
||||
## bz2_codec codec
|
||||
#'bz2' : 'bz2_codec',
|
||||
|
||||
# cp037 codec
|
||||
'037' : 'cp037',
|
||||
|
|
@ -243,8 +243,8 @@ aliases = {
|
|||
'cp936' : 'gbk',
|
||||
'ms936' : 'gbk',
|
||||
|
||||
# hex_codec codec
|
||||
'hex' : 'hex_codec',
|
||||
## hex_codec codec
|
||||
#'hex' : 'hex_codec',
|
||||
|
||||
# hp_roman8 codec
|
||||
'roman8' : 'hp_roman8',
|
||||
|
|
@ -444,13 +444,13 @@ aliases = {
|
|||
'cp154' : 'ptcp154',
|
||||
'cyrillic-asian' : 'ptcp154',
|
||||
|
||||
# quopri_codec codec
|
||||
'quopri' : 'quopri_codec',
|
||||
'quoted_printable' : 'quopri_codec',
|
||||
'quotedprintable' : 'quopri_codec',
|
||||
## quopri_codec codec
|
||||
#'quopri' : 'quopri_codec',
|
||||
#'quoted_printable' : 'quopri_codec',
|
||||
#'quotedprintable' : 'quopri_codec',
|
||||
|
||||
# rot_13 codec
|
||||
'rot13' : 'rot_13',
|
||||
## rot_13 codec
|
||||
#'rot13' : 'rot_13',
|
||||
|
||||
# shift_jis codec
|
||||
'csshiftjis' : 'shift_jis',
|
||||
|
|
@ -512,11 +512,11 @@ aliases = {
|
|||
'utf8_ucs2' : 'utf_8',
|
||||
'utf8_ucs4' : 'utf_8',
|
||||
|
||||
# uu_codec codec
|
||||
'uu' : 'uu_codec',
|
||||
## uu_codec codec
|
||||
#'uu' : 'uu_codec',
|
||||
|
||||
# zlib_codec codec
|
||||
'zip' : 'zlib_codec',
|
||||
'zlib' : 'zlib_codec',
|
||||
## zlib_codec codec
|
||||
#'zip' : 'zlib_codec',
|
||||
#'zlib' : 'zlib_codec',
|
||||
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,102 +0,0 @@
|
|||
""" Python 'bz2_codec' Codec - bz2 compression encoding
|
||||
|
||||
Unlike most of the other codecs which target Unicode, this codec
|
||||
will return Python string objects for both encode and decode.
|
||||
|
||||
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'):
|
||||
|
||||
""" Encodes the object input and returns a tuple (output
|
||||
object, length consumed).
|
||||
|
||||
errors defines the error handling to apply. It defaults to
|
||||
'strict' handling which is the only currently supported
|
||||
error handling for this codec.
|
||||
|
||||
"""
|
||||
assert errors == 'strict'
|
||||
output = bz2.compress(input)
|
||||
return (output, len(input))
|
||||
|
||||
def bz2_decode(input,errors='strict'):
|
||||
|
||||
""" Decodes the object input and returns a tuple (output
|
||||
object, length consumed).
|
||||
|
||||
input must be an object which provides the bf_getreadbuf
|
||||
buffer slot. Python strings, buffer objects and memory
|
||||
mapped files are examples of objects providing this slot.
|
||||
|
||||
errors defines the error handling to apply. It defaults to
|
||||
'strict' handling which is the only currently supported
|
||||
error handling for this codec.
|
||||
|
||||
"""
|
||||
assert errors == 'strict'
|
||||
output = bz2.decompress(input)
|
||||
return (output, 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):
|
||||
pass
|
||||
|
||||
class StreamReader(Codec,codecs.StreamReader):
|
||||
pass
|
||||
|
||||
### encodings module API
|
||||
|
||||
def getregentry():
|
||||
return codecs.CodecInfo(
|
||||
name="bz2",
|
||||
encode=bz2_encode,
|
||||
decode=bz2_decode,
|
||||
incrementalencoder=IncrementalEncoder,
|
||||
incrementaldecoder=IncrementalDecoder,
|
||||
streamwriter=StreamWriter,
|
||||
streamreader=StreamReader,
|
||||
)
|
||||
Loading…
Reference in New Issue