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