python gz文件解压

# -*- coding:u8 -*-

import tarfile

def extract(tar_path, target_path):
"""
#tar_path为要解压文件
#target_path为解压存放目录
"""
try:
tar = tarfile.open(tar_path, "r:gz")
file_names = tar.getnames()
for file_name in file_names:
tar.extract(file_name, target_path)
tar.close()
except Exception, e:
raise Exception, e