ref: 4a92a8f6b2502750a69e87d398ffb2f069103bf4
dir: /sys/lib/python/encodings/quopri_codec.py/
"""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' f = StringIO(input) g = StringIO() quopri.encode(f, g, 1) 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(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, )