Viewing file:  utf_16.py (1.48 KB) -rw-r--r--
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""" Python 'utf-16' Codec
Written by Marc-Andre Lemburg (mal@lemburg.com).
(c) Copyright CNRI, All Rights Reserved. NO WARRANTY.
"""
import codecs, sys
### Codec APIs
encode = codecs.utf_16_encode
def decode(input, errors='strict'):
return codecs.utf_16_decode(input, errors, True)
class StreamWriter(codecs.StreamWriter):
def __init__(self, stream, errors='strict'):
self.bom_written = False
codecs.StreamWriter.__init__(self, stream, errors)
def encode(self, input, errors='strict'):
self.bom_written = True
result = codecs.utf_16_encode(input, errors)
if sys.byteorder == 'little':
self.encode = codecs.utf_16_le_encode
else:
self.encode = codecs.utf_16_be_encode
return result
class StreamReader(codecs.StreamReader):
def reset(self):
codecs.StreamReader.reset(self)
try:
del self.decode
except AttributeError:
pass
def decode(self, input, errors='strict'):
(object, consumed, byteorder) = \
codecs.utf_16_ex_decode(input, errors, 0, False)
if byteorder == -1:
self.decode = codecs.utf_16_le_decode
elif byteorder == 1:
self.decode = codecs.utf_16_be_decode
elif consumed>=2:
raise UnicodeError,"UTF-16 stream does not start with BOM"
return (object, consumed)
### encodings module API
def getregentry():
return (encode,decode,StreamReader,StreamWriter)
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