70 lines
2.0 KiB
Python
70 lines
2.0 KiB
Python
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""" Generic Python Character Mapping Codec.
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Use this codec directly rather than through the automatic
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conversion mechanisms supplied by unicode() and .encode().
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Written by Marc-Andre Lemburg (mal@lemburg.com).
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(c) Copyright CNRI, All Rights Reserved. NO WARRANTY.
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"""#"
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import codecs
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### Codec APIs
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class Codec(codecs.Codec):
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# Note: Binding these as C functions will result in the class not
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# converting them to methods. This is intended.
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encode = codecs.charmap_encode
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decode = codecs.charmap_decode
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class IncrementalEncoder(codecs.IncrementalEncoder):
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def __init__(self, errors='strict', mapping=None):
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codecs.IncrementalEncoder.__init__(self, errors)
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self.mapping = mapping
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def encode(self, input, final=False):
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return codecs.charmap_encode(input, self.errors, self.mapping)[0]
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class IncrementalDecoder(codecs.IncrementalDecoder):
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def __init__(self, errors='strict', mapping=None):
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codecs.IncrementalDecoder.__init__(self, errors)
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self.mapping = mapping
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def decode(self, input, final=False):
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return codecs.charmap_decode(input, self.errors, self.mapping)[0]
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class StreamWriter(Codec,codecs.StreamWriter):
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def __init__(self,stream,errors='strict',mapping=None):
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codecs.StreamWriter.__init__(self,stream,errors)
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self.mapping = mapping
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def encode(self,input,errors='strict'):
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return Codec.encode(input,errors,self.mapping)
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class StreamReader(Codec,codecs.StreamReader):
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def __init__(self,stream,errors='strict',mapping=None):
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codecs.StreamReader.__init__(self,stream,errors)
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self.mapping = mapping
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def decode(self,input,errors='strict'):
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return Codec.decode(input,errors,self.mapping)
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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='charmap',
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encode=Codec.encode,
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decode=Codec.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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