diff options
Diffstat (limited to 'lib/python2.7/encodings/quopri_codec.py')
-rw-r--r-- | lib/python2.7/encodings/quopri_codec.py | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/lib/python2.7/encodings/quopri_codec.py b/lib/python2.7/encodings/quopri_codec.py new file mode 100644 index 0000000..e4965da --- /dev/null +++ b/lib/python2.7/encodings/quopri_codec.py @@ -0,0 +1,76 @@ +"""Codec for quoted-printable encoding. + +Like base64 and rot13, this returns Python strings, not Unicode. +""" + +import codecs, quopri +try: + from cStringIO import StringIO +except ImportError: + from StringIO import StringIO + +def quopri_encode(input, errors='strict'): + """Encode the input, returning 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' + # using str() because of cStringIO's Unicode undesired Unicode behavior. + f = StringIO(str(input)) + g = StringIO() + quopri.encode(f, g, quotetabs=True) + output = g.getvalue() + return (output, len(input)) + +def quopri_decode(input, errors='strict'): + """Decode the input, returning 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' + f = StringIO(str(input)) + g = StringIO() + quopri.decode(f, g) + output = g.getvalue() + return (output, len(input)) + +class Codec(codecs.Codec): + + def encode(self, input,errors='strict'): + return quopri_encode(input,errors) + def decode(self, input,errors='strict'): + return quopri_decode(input,errors) + +class IncrementalEncoder(codecs.IncrementalEncoder): + def encode(self, input, final=False): + return quopri_encode(input, self.errors)[0] + +class IncrementalDecoder(codecs.IncrementalDecoder): + def decode(self, input, final=False): + return quopri_decode(input, self.errors)[0] + +class StreamWriter(Codec, codecs.StreamWriter): + pass + +class StreamReader(Codec,codecs.StreamReader): + pass + +# encodings module API + +def getregentry(): + return codecs.CodecInfo( + name='quopri', + encode=quopri_encode, + decode=quopri_decode, + incrementalencoder=IncrementalEncoder, + incrementaldecoder=IncrementalDecoder, + streamwriter=StreamWriter, + streamreader=StreamReader, + _is_text_encoding=False, + ) |