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1 """ Python 'undefined' Codec
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2
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3 This codec will always raise a ValueError exception when being
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4 used. It is intended for use by the site.py file to switch off
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5 automatic string to Unicode coercion.
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6
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7 Written by Marc-Andre Lemburg (mal@lemburg.com).
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8
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9 (c) Copyright CNRI, All Rights Reserved. NO WARRANTY.
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10
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11 """
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12 import codecs
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13
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14 ### Codec APIs
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15
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16 class Codec(codecs.Codec):
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17
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18 def encode(self,input,errors='strict'):
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19 raise UnicodeError("undefined encoding")
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20
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21 def decode(self,input,errors='strict'):
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22 raise UnicodeError("undefined encoding")
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23
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24 class IncrementalEncoder(codecs.IncrementalEncoder):
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25 def encode(self, input, final=False):
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26 raise UnicodeError("undefined encoding")
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27
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28 class IncrementalDecoder(codecs.IncrementalDecoder):
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29 def decode(self, input, final=False):
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30 raise UnicodeError("undefined encoding")
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31
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32 class StreamWriter(Codec,codecs.StreamWriter):
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33 pass
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34
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35 class StreamReader(Codec,codecs.StreamReader):
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36 pass
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37
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38 ### encodings module API
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39
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40 def getregentry():
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41 return codecs.CodecInfo(
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42 name='undefined',
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43 encode=Codec().encode,
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44 decode=Codec().decode,
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45 incrementalencoder=IncrementalEncoder,
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46 incrementaldecoder=IncrementalDecoder,
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47 streamwriter=StreamWriter,
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48 streamreader=StreamReader,
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49 )
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