Update of /cvsroot/python/python/dist/src/Lib/encodings In directory sc8-pr-cvs1:/tmp/cvs-serv813/Lib/encodings Modified Files: aliases.py Added Files: bz2_codec.py Log Message: Added codec for bz2 compression. --- NEW FILE: bz2_codec.py --- """ Python 'bz2_codec' Codec - bz2 compression encoding Unlike most of the other codecs which target Unicode, this codec will return Python string objects for both encode and decode. Adapted by Raymond Hettinger from bz2_codec which was written by Marc-Andre Lemburg (mal@lemburg.com). """ import codecs import bz2 # this codec needs the optional bz2 module ! ### Codec APIs def bz2_encode(input,errors='strict'): """ 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' output = bz2.compress(input) return (output, len(input)) def bz2_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. """ assert errors == 'strict' output = bz2.decompress(input) return (output, len(input)) class Codec(codecs.Codec): def encode(self, input, errors='strict'): return bz2_encode(input, errors) def decode(self, input, errors='strict'): return bz2_decode(input, errors) class StreamWriter(Codec,codecs.StreamWriter): pass class StreamReader(Codec,codecs.StreamReader): pass ### encodings module API def getregentry(): return (bz2_encode,bz2_decode,StreamReader,StreamWriter) Index: aliases.py =================================================================== RCS file: /cvsroot/python/python/dist/src/Lib/encodings/aliases.py,v retrieving revision 1.19 retrieving revision 1.20 diff -C2 -d -r1.19 -r1.20 *** aliases.py 4 Oct 2002 16:30:42 -0000 1.19 --- aliases.py 23 Sep 2003 20:21:01 -0000 1.20 *************** *** 42,45 **** --- 42,48 ---- 'base_64' : 'base64_codec', + # bz2_codec codec + 'bz2' : 'bz2_codec', + # cp037 codec 'csibm037' : 'cp037',