1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
""" Test Codecs (used by test_charmapcodec)
Written by Marc-Andre Lemburg (mal@lemburg.com).
(c) Copyright 2000 Guido van Rossum.
"""#"
import codecs
### Codec APIs
class Codec(codecs.Codec):
def encode(self,input,errors='strict'):
return codecs.charmap_encode(input,errors,encoding_map)
def decode(self,input,errors='strict'):
return codecs.charmap_decode(input,errors,decoding_map)
class StreamWriter(Codec,codecs.StreamWriter):
pass
class StreamReader(Codec,codecs.StreamReader):
pass
### encodings module API
def getregentry():
return (Codec().encode,Codec().decode,StreamReader,StreamWriter)
### Decoding Map
decoding_map = codecs.make_identity_dict(range(256))
decoding_map.update({
0x78: u"abc", # 1-n decoding mapping
"abc": 0x0078,# 1-n encoding mapping
0x01: None, # decoding mapping to <undefined>
0x79: u"", # decoding mapping to <remove character>
})
### Encoding Map
encoding_map = {}
for k,v in decoding_map.items():
encoding_map[v] = k
|
