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comparison CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/lib/python3.8/encodings/base64_codec.py @ 69:33d812a61356

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planemo upload commit 2e9511a184a1ca667c7be0c6321a36dc4e3d116d
author jpayne
date Tue, 18 Mar 2025 17:55:14 -0400
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67:0e9998148a16 69:33d812a61356
1 """Python 'base64_codec' Codec - base64 content transfer encoding.
2
3 This codec de/encodes from bytes to bytes.
4
5 Written by Marc-Andre Lemburg (mal@lemburg.com).
6 """
7
8 import codecs
9 import base64
10
11 ### Codec APIs
12
13 def base64_encode(input, errors='strict'):
14 assert errors == 'strict'
15 return (base64.encodebytes(input), len(input))
16
17 def base64_decode(input, errors='strict'):
18 assert errors == 'strict'
19 return (base64.decodebytes(input), len(input))
20
21 class Codec(codecs.Codec):
22 def encode(self, input, errors='strict'):
23 return base64_encode(input, errors)
24 def decode(self, input, errors='strict'):
25 return base64_decode(input, errors)
26
27 class IncrementalEncoder(codecs.IncrementalEncoder):
28 def encode(self, input, final=False):
29 assert self.errors == 'strict'
30 return base64.encodebytes(input)
31
32 class IncrementalDecoder(codecs.IncrementalDecoder):
33 def decode(self, input, final=False):
34 assert self.errors == 'strict'
35 return base64.decodebytes(input)
36
37 class StreamWriter(Codec, codecs.StreamWriter):
38 charbuffertype = bytes
39
40 class StreamReader(Codec, codecs.StreamReader):
41 charbuffertype = bytes
42
43 ### encodings module API
44
45 def getregentry():
46 return codecs.CodecInfo(
47 name='base64',
48 encode=base64_encode,
49 decode=base64_decode,
50 incrementalencoder=IncrementalEncoder,
51 incrementaldecoder=IncrementalDecoder,
52 streamwriter=StreamWriter,
53 streamreader=StreamReader,
54 _is_text_encoding=False,
55 )