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-rw-r--r--lib/python2.7/encodings/base64_codec.py79
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diff --git a/lib/python2.7/encodings/base64_codec.py b/lib/python2.7/encodings/base64_codec.py
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-""" Python 'base64_codec' Codec - base64 content transfer encoding
-
- Unlike most of the other codecs which target Unicode, this codec
- will return Python string objects for both encode and decode.
-
- Written by Marc-Andre Lemburg (mal@lemburg.com).
-
-"""
-import codecs, base64
-
-### Codec APIs
-
-def base64_encode(input,errors='strict'):
-
- """ Encodes the object input and returns a tuple (output
- object, length consumed).
-
- errors defines the error handling to apply. It defaults to
- 'strict' handling which is the only currently supported
- error handling for this codec.
-
- """
- assert errors == 'strict'
- output = base64.encodestring(input)
- return (output, len(input))
-
-def base64_decode(input,errors='strict'):
-
- """ Decodes the object input and returns a tuple (output
- object, length consumed).
-
- input must be an object which provides the bf_getreadbuf
- buffer slot. Python strings, buffer objects and memory
- mapped files are examples of objects providing this slot.
-
- errors defines the error handling to apply. It defaults to
- 'strict' handling which is the only currently supported
- error handling for this codec.
-
- """
- assert errors == 'strict'
- output = base64.decodestring(input)
- return (output, len(input))
-
-class Codec(codecs.Codec):
-
- def encode(self, input,errors='strict'):
- return base64_encode(input,errors)
- def decode(self, input,errors='strict'):
- return base64_decode(input,errors)
-
-class IncrementalEncoder(codecs.IncrementalEncoder):
- def encode(self, input, final=False):
- assert self.errors == 'strict'
- return base64.encodestring(input)
-
-class IncrementalDecoder(codecs.IncrementalDecoder):
- def decode(self, input, final=False):
- assert self.errors == 'strict'
- return base64.decodestring(input)
-
-class StreamWriter(Codec,codecs.StreamWriter):
- pass
-
-class StreamReader(Codec,codecs.StreamReader):
- pass
-
-### encodings module API
-
-def getregentry():
- return codecs.CodecInfo(
- name='base64',
- encode=base64_encode,
- decode=base64_decode,
- incrementalencoder=IncrementalEncoder,
- incrementaldecoder=IncrementalDecoder,
- streamwriter=StreamWriter,
- streamreader=StreamReader,
- )