\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// File Manager

File Manager

Path: /lib64/python2.7/Demo/zlib/

Viewing File: zlibdemo.py

#! /usr/bin/env python

# Takes an optional filename, defaulting to this file itself.
# Reads the file and compresses the content using level 1 and level 9
# compression, printing a summary of the results.

import zlib, sys

def main():
    if len(sys.argv) > 1:
        filename = sys.argv[1]
    else:
        filename = sys.argv[0]
    print 'Reading', filename

    f = open(filename, 'rb')           # Get the data to compress
    s = f.read()
    f.close()

    # First, we'll compress the string in one step
    comptext = zlib.compress(s, 1)
    decomp = zlib.decompress(comptext)

    print '1-step compression: (level 1)'
    print '    Original:', len(s), 'Compressed:', len(comptext),
    print 'Uncompressed:', len(decomp)

    # Now, let's compress the string in stages; set chunk to work in smaller steps

    chunk = 256
    compressor = zlib.compressobj(9)
    decompressor = zlib.decompressobj()
    comptext = decomp = ''
    for i in range(0, len(s), chunk):
        comptext = comptext+compressor.compress(s[i:i+chunk])
    # Don't forget to call flush()!!
    comptext = comptext + compressor.flush()

    for i in range(0, len(comptext), chunk):
        decomp = decomp + decompressor.decompress(comptext[i:i+chunk])
    decomp=decomp+decompressor.flush()

    print 'Progressive compression (level 9):'
    print '    Original:', len(s), 'Compressed:', len(comptext),
    print 'Uncompressed:', len(decomp)

if __name__ == '__main__':
    main()