ref: c789c054808dc3984abfb0d6b7de6d12e66471c2
dir: /sys/lib/python/encodings/charmap.py/
""" Generic Python Character Mapping Codec.
Use this codec directly rather than through the automatic
conversion mechanisms supplied by unicode() and .encode().
Written by Marc-Andre Lemburg ([email protected]).
(c) Copyright CNRI, All Rights Reserved. NO WARRANTY.
"""#"
import codecs
### Codec APIs
class Codec(codecs.Codec):
# Note: Binding these as C functions will result in the class not
# converting them to methods. This is intended.
encode = codecs.charmap_encode
decode = codecs.charmap_decode
class IncrementalEncoder(codecs.IncrementalEncoder):
def __init__(self, errors='strict', mapping=None):
codecs.IncrementalEncoder.__init__(self, errors)
self.mapping = mapping
def encode(self, input, final=False):
return codecs.charmap_encode(input, self.errors, self.mapping)[0]
class IncrementalDecoder(codecs.IncrementalDecoder):
def __init__(self, errors='strict', mapping=None):
codecs.IncrementalDecoder.__init__(self, errors)
self.mapping = mapping
def decode(self, input, final=False):
return codecs.charmap_decode(input, self.errors, self.mapping)[0]
class StreamWriter(Codec,codecs.StreamWriter):
def __init__(self,stream,errors='strict',mapping=None):
codecs.StreamWriter.__init__(self,stream,errors)
self.mapping = mapping
def encode(self,input,errors='strict'):
return Codec.encode(input,errors,self.mapping)
class StreamReader(Codec,codecs.StreamReader):
def __init__(self,stream,errors='strict',mapping=None):
codecs.StreamReader.__init__(self,stream,errors)
self.mapping = mapping
def decode(self,input,errors='strict'):
return Codec.decode(input,errors,self.mapping)
### encodings module API
def getregentry():
return codecs.CodecInfo(
name='charmap',
encode=Codec.encode,
decode=Codec.decode,
incrementalencoder=IncrementalEncoder,
incrementaldecoder=IncrementalDecoder,
streamwriter=StreamWriter,
streamreader=StreamReader,
)