25     def __init__(self, errors='strict', mapping=None):  argument
26         codecs.IncrementalEncoder.__init__(self, errors)
30         return codecs.charmap_encode(input, self.errors, self.mapping)[0]
33     def __init__(self, errors='strict', mapping=None):  argument
34         codecs.IncrementalDecoder.__init__(self, errors)
38         return codecs.charmap_decode(input, self.errors, self.mapping)[0]
42     def __init__(self,stream,errors='strict',mapping=None):  argument
43         codecs.StreamWriter.__init__(self,stream,errors)
46     def encode(self,input,errors='strict'):  argument
47         return Codec.encode(input,errors,self.mapping)
51     def __init__(self,stream,errors='strict',mapping=None):  argument
52         codecs.StreamReader.__init__(self,stream,errors)
55     def decode(self,input,errors='strict'):  argument
56         return Codec.decode(input,errors,self.mapping)