https://github.com/CGATOxford/cgat/blob/master/CGAT/dictzip.py

http://code.google.com/p/pytoolkits/source/browse/trunk/utils/stardict/dictzip.py

http://code.google.com/p/idzip/source/browse/idzip/decompressor.py

另外有两个库提供了很吊的gzip和bz2 random access

http://svn.ghostscript.com/ghostscript/tags/zlib-1.2.3/examples/zran.c

https://bitbucket.org/james_taylor/seek-bzip2

出处