Viewing file:  jis_x_0201_katakana.py (1014 B) -rw-r--r--
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# A codec for JIS X 0201 Katakana
# Tamito KAJIYAMA <4 December 2000>
import codecs
import UserDict
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)
class Mapping(UserDict.UserDict):
def __getitem__(self, key):
try:
return UserDict.UserDict.__getitem__(self, key)
except KeyError:
return None
decoding_map = Mapping()
for c in range(0x21):
decoding_map[c] = c
for c in range(0x21, 0x60):
decoding_map[c] = 0xff40 + c
decoding_map[0x7f] = 0x7f
encoding_map = Mapping()
for k, v in decoding_map.items():
encoding_map[v] = k
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