python gzip,bz2学习

一.gzip

import gzip

1.解压缩

 a = gzip.open('a.tar.gz')

 b = open('a.tar','wb')

 b.write(a.read())

 a.close()

 b.close()

2.压缩文件

 b = open('c.tar','rb')

 c = gzip.open('c.tar.gz','wb')

 c.write(b.read())

 b.close(0

 c.close(0

二.bz2

bz2的使用方法与gz一样

import bz2

1.解压

 a=bz2.BZ2File('fio-2.1.2.tar.bz2')

 b = open('fio.tar','wb')

 b.write(a.read())

 a.close()

 b.close()

2.压缩

 a=bz2.BZ2File('f.tar.bz2','wb')

 b=open('fio.tar','rb')

 a.write(b.read())

 a.close()

 b.close()