diff options
Diffstat (limited to 'Lib/encodings/base64_codec.py')
-rw-r--r-- | Lib/encodings/base64_codec.py | 65 |
1 files changed, 45 insertions, 20 deletions
diff --git a/Lib/encodings/base64_codec.py b/Lib/encodings/base64_codec.py index 8e7703b..34ac555 100644 --- a/Lib/encodings/base64_codec.py +++ b/Lib/encodings/base64_codec.py @@ -1,44 +1,69 @@ -"""Python 'base64_codec' Codec - base64 content transfer encoding. +""" Python 'base64_codec' Codec - base64 content transfer encoding -This codec de/encodes from bytes to bytes. + 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). -""" + Written by Marc-Andre Lemburg (mal@lemburg.com). -import codecs -import base64 +""" +import codecs, base64 ### Codec APIs -def base64_encode(input, errors='strict'): +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' - return (base64.encodebytes(input), len(input)) + output = base64.encodestring(input) + return (output, len(input)) -def base64_decode(input, errors='strict'): +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' - return (base64.decodebytes(input), len(input)) + 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) + + 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.encodebytes(input) + return base64.encodestring(input) class IncrementalDecoder(codecs.IncrementalDecoder): def decode(self, input, final=False): assert self.errors == 'strict' - return base64.decodebytes(input) + return base64.decodestring(input) -class StreamWriter(Codec, codecs.StreamWriter): - charbuffertype = bytes +class StreamWriter(Codec,codecs.StreamWriter): + pass -class StreamReader(Codec, codecs.StreamReader): - charbuffertype = bytes +class StreamReader(Codec,codecs.StreamReader): + pass ### encodings module API |