blob: d98b5ed04bf5b0944ed97658ed79936ae9dd69ee [file] [log] [blame]
Guido van Rossumacfdf152001-05-15 15:34:07 +00001"""Codec for quoted-printable encoding.
2
3Like base64 and rot13, this returns Python strings, not Unicode.
4"""
5
6import codecs, quopri
7try:
8 from cStringIO import StringIO
9except ImportError:
10 from StringIO import StringIO
11
12def quopri_encode(input, errors='strict'):
13 """Encode the input, returning a tuple (output object, length consumed).
14
15 errors defines the error handling to apply. It defaults to
16 'strict' handling which is the only currently supported
17 error handling for this codec.
18
19 """
20 assert errors == 'strict'
21 f = StringIO(input)
22 g = StringIO()
23 quopri.encode(f, g, 1)
24 output = g.getvalue()
25 return (output, len(input))
26
27def quopri_decode(input, errors='strict'):
28 """Decode the input, returning a tuple (output object, length consumed).
29
30 errors defines the error handling to apply. It defaults to
31 'strict' handling which is the only currently supported
32 error handling for this codec.
33
34 """
35 assert errors == 'strict'
36 f = StringIO(input)
37 g = StringIO()
38 quopri.decode(f, g)
39 output = g.getvalue()
40 return (output, len(input))
41
42class Codec(codecs.Codec):
43
Marc-André Lemburg26e3b682001-09-20 10:33:38 +000044 def encode(self, input,errors='strict'):
45 return quopri_encode(input,errors)
46 def decode(self, input,errors='strict'):
47 return quopri_decode(input,errors)
Guido van Rossumacfdf152001-05-15 15:34:07 +000048
49class StreamWriter(Codec, codecs.StreamWriter):
50 pass
51
52class StreamReader(Codec,codecs.StreamReader):
53 pass
54
55# encodings module API
56
57def getregentry():
58 return (quopri_encode, quopri_decode, StreamReader, StreamWriter)