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
49