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cpython/Tools/unicode/gencjkcodecs.py at improve_queue_join_example · rhettinger/cpython · GitHub
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cpython
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/
unicode
/
gencjkcodecs.py
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cpython
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Tools
/
unicode
/
gencjkcodecs.py
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import
os
,
string
codecs
=
{
'cn'
: (
'gb2312'
,
'gbk'
,
'gb18030'
,
'hz'
),
'tw'
: (
'big5'
,
'cp950'
),
'hk'
: (
'big5hkscs'
,),
'jp'
: (
'cp932'
,
'shift_jis'
,
'euc_jp'
,
'euc_jisx0213'
,
'shift_jisx0213'
,
'euc_jis_2004'
,
'shift_jis_2004'
),
'kr'
: (
'cp949'
,
'euc_kr'
,
'johab'
),
'iso2022'
: (
'iso2022_jp'
,
'iso2022_jp_1'
,
'iso2022_jp_2'
,
'iso2022_jp_2004'
,
'iso2022_jp_3'
,
'iso2022_jp_ext'
,
'iso2022_kr'
),
}
TEMPLATE
=
string
.
Template
(
"""
\
#
# $encoding.py: Python Unicode Codec for $ENCODING
#
# Written by Hye-Shik Chang <perky@FreeBSD.org>
#
import _codecs_$owner, codecs
import _multibytecodec as mbc
codec = _codecs_$owner.getcodec('$encoding')
class Codec(codecs.Codec):
encode = codec.encode
decode = codec.decode
class IncrementalEncoder(mbc.MultibyteIncrementalEncoder,
codecs.IncrementalEncoder):
codec = codec
class IncrementalDecoder(mbc.MultibyteIncrementalDecoder,
codecs.IncrementalDecoder):
codec = codec
class StreamReader(Codec, mbc.MultibyteStreamReader, codecs.StreamReader):
codec = codec
class StreamWriter(Codec, mbc.MultibyteStreamWriter, codecs.StreamWriter):
codec = codec
def getregentry():
return codecs.CodecInfo(
name='$encoding',
encode=Codec().encode,
decode=Codec().decode,
incrementalencoder=IncrementalEncoder,
incrementaldecoder=IncrementalDecoder,
streamreader=StreamReader,
streamwriter=StreamWriter,
)
"""
)
def
gencodecs
(
prefix
):
for
loc
,
encodings
in
codecs
.
items
():
for
enc
in
encodings
:
code
=
TEMPLATE
.
substitute
(
ENCODING
=
enc
.
upper
(),
encoding
=
enc
.
lower
(),
owner
=
loc
)
codecpath
=
os
.
path
.
join
(
prefix
,
enc
+
'.py'
)
with
open
(
codecpath
,
'w'
)
as
f
:
f
.
write
(
code
)
if
__name__
==
'__main__'
:
import
sys
gencodecs
(
sys
.
argv
[
1
])
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