1 """ Test Codecs (used by test_charmapcodec)

     2 

     3 Written by Marc-Andre Lemburg (mal@lemburg.com).

     4 

     5 (c) Copyright 2000 Guido van Rossum.

     6 

     7 """#"

     8 import codecs

     9 

    10 ### Codec APIs

    11 

    12 class Codec(codecs.Codec):

    13 

    14     def encode(self,input,errors='strict'):

    15 

    16         return codecs.charmap_encode(input,errors,encoding_map)

    17 

    18     def decode(self,input,errors='strict'):

    19 

    20         return codecs.charmap_decode(input,errors,decoding_map)

    21 

    22 class StreamWriter(Codec,codecs.StreamWriter):

    23     pass

    24 

    25 class StreamReader(Codec,codecs.StreamReader):

    26     pass

    27 

    28 ### encodings module API

    29 

    30 def getregentry():

    31 

    32     return (Codec().encode,Codec().decode,StreamReader,StreamWriter)

    33 

    34 ### Decoding Map

    35 

    36 decoding_map = codecs.make_identity_dict(range(256))

    37 decoding_map.update({

    38         0x78: u"abc", # 1-n decoding mapping

    39         "abc": 0x0078,# 1-n encoding mapping

    40         0x01: None,   # decoding mapping to <undefined>

    41         0x79: u"",    # decoding mapping to <remove character>

    42 })

    43 

    44 ### Encoding Map

    45 

    46 encoding_map = {}

    47 for k,v in decoding_map.items():

    48     encoding_map[v] = k