Mercurial > repos > yating-l > jbrowsearchivecreator

annotate test/lib/python2.7/encodings/hex_codec.py @ 3:7d1a9a91b989 draft

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planemo upload for repository https://github.com/Yating-L/jbrowse-archive-creator.git commit d583ac16a6c6942730ea536eb59cc37941816030-dirty
author yating-l
date Thu, 18 May 2017 18:37:28 -0400
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1 """ Python 'hex_codec' Codec - 2-digit hex content transfer encoding
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2
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3 Unlike most of the other codecs which target Unicode, this codec
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4 will return Python string objects for both encode and decode.
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6 Written by Marc-Andre Lemburg (mal@lemburg.com).
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8 """
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9 import codecs, binascii
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11 ### Codec APIs
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13 def hex_encode(input,errors='strict'):
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15 """ Encodes the object input and returns a tuple (output
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16 object, length consumed).
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18 errors defines the error handling to apply. It defaults to
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19 'strict' handling which is the only currently supported
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20 error handling for this codec.
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22 """
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23 assert errors == 'strict'
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24 output = binascii.b2a_hex(input)
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25 return (output, len(input))
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27 def hex_decode(input,errors='strict'):
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29 """ Decodes the object input and returns a tuple (output
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30 object, length consumed).
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32 input must be an object which provides the bf_getreadbuf
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33 buffer slot. Python strings, buffer objects and memory
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34 mapped files are examples of objects providing this slot.
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36 errors defines the error handling to apply. It defaults to
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37 'strict' handling which is the only currently supported
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38 error handling for this codec.
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39
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40 """
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41 assert errors == 'strict'
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42 output = binascii.a2b_hex(input)
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43 return (output, len(input))
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44
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45 class Codec(codecs.Codec):
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47 def encode(self, input,errors='strict'):
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48 return hex_encode(input,errors)
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49 def decode(self, input,errors='strict'):
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50 return hex_decode(input,errors)
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51
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52 class IncrementalEncoder(codecs.IncrementalEncoder):
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53 def encode(self, input, final=False):
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54 assert self.errors == 'strict'
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55 return binascii.b2a_hex(input)
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56
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57 class IncrementalDecoder(codecs.IncrementalDecoder):
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58 def decode(self, input, final=False):
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59 assert self.errors == 'strict'
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60 return binascii.a2b_hex(input)
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62 class StreamWriter(Codec,codecs.StreamWriter):
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63 pass
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65 class StreamReader(Codec,codecs.StreamReader):
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66 pass
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67
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68 ### encodings module API
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69
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70 def getregentry():
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71 return codecs.CodecInfo(
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72 name='hex',
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73 encode=hex_encode,
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74 decode=hex_decode,
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75 incrementalencoder=IncrementalEncoder,
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76 incrementaldecoder=IncrementalDecoder,
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77 streamwriter=StreamWriter,
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78 streamreader=StreamReader,
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79 _is_text_encoding=False,
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80 )