Lib/test/testcodec.py

   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