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author | Walter Dörwald <walter@livinglogic.de> | 2007-06-12 16:40:17 (GMT) |
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committer | Walter Dörwald <walter@livinglogic.de> | 2007-06-12 16:40:17 (GMT) |
commit | 42748a8d6dc121d5311668a0fe005c277b7d0220 (patch) | |
tree | 7c463d2780b8e6683e21848efac677f19daa30cb /Lib/encodings/uu_codec.py | |
parent | 6e8fcae38f119b95be0c707b7a44db209c485c84 (diff) | |
download | cpython-42748a8d6dc121d5311668a0fe005c277b7d0220.zip cpython-42748a8d6dc121d5311668a0fe005c277b7d0220.tar.gz cpython-42748a8d6dc121d5311668a0fe005c277b7d0220.tar.bz2 |
Rip out all codecs that can't work in a unicode/bytes world:
base64, uu, zlib, rot_13, hex, quopri, bz2, string_escape.
However codecs.escape_encode() and codecs.escape_decode()
still exist, as they are used for pickling str8 objects
(so those two functions can go, when the str8 type is removed).
Diffstat (limited to 'Lib/encodings/uu_codec.py')
-rw-r--r-- | Lib/encodings/uu_codec.py | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/Lib/encodings/uu_codec.py b/Lib/encodings/uu_codec.py deleted file mode 100644 index 3baf779..0000000 --- a/Lib/encodings/uu_codec.py +++ /dev/null @@ -1,128 +0,0 @@ -""" Python 'uu_codec' Codec - UU content transfer encoding - - 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). Some details were - adapted from uu.py which was written by Lance Ellinghouse and - modified by Jack Jansen and Fredrik Lundh. - -""" -import codecs, binascii - -### Codec APIs - -def uu_encode(input,errors='strict',filename='<data>',mode=0666): - - """ 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' - from cStringIO import StringIO - from binascii import b2a_uu - infile = StringIO(input) - outfile = StringIO() - read = infile.read - write = outfile.write - - # Encode - write('begin %o %s\n' % (mode & 0777, filename)) - chunk = read(45) - while chunk: - write(b2a_uu(chunk)) - chunk = read(45) - write(' \nend\n') - - return (outfile.getvalue(), len(input)) - -def uu_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. - - Note: filename and file mode information in the input data is - ignored. - - """ - assert errors == 'strict' - from cStringIO import StringIO - from binascii import a2b_uu - infile = StringIO(input) - outfile = StringIO() - readline = infile.readline - write = outfile.write - - # Find start of encoded data - while 1: - s = readline() - if not s: - raise ValueError, 'Missing "begin" line in input data' - if s[:5] == 'begin': - break - - # Decode - while 1: - s = readline() - if not s or \ - s == 'end\n': - break - try: - data = a2b_uu(s) - except binascii.Error as v: - # Workaround for broken uuencoders by /Fredrik Lundh - nbytes = (((ord(s[0])-32) & 63) * 4 + 5) / 3 - data = a2b_uu(s[:nbytes]) - #sys.stderr.write("Warning: %s\n" % str(v)) - write(data) - if not s: - raise ValueError, 'Truncated input data' - - return (outfile.getvalue(), len(input)) - -class Codec(codecs.Codec): - - def encode(self,input,errors='strict'): - return uu_encode(input,errors) - - def decode(self,input,errors='strict'): - return uu_decode(input,errors) - -class IncrementalEncoder(codecs.IncrementalEncoder): - def encode(self, input, final=False): - return uu_encode(input, self.errors)[0] - -class IncrementalDecoder(codecs.IncrementalDecoder): - def decode(self, input, final=False): - return uu_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='uu', - encode=uu_encode, - decode=uu_decode, - incrementalencoder=IncrementalEncoder, - incrementaldecoder=IncrementalDecoder, - streamreader=StreamReader, - streamwriter=StreamWriter, - ) |