Python实现 zip解压缩到指定目录

 #!/bin/env python
 #-*- coding:utf-8 -*-
 import zipfile,os
 import platform,sys,os
 from zipfile import *
 import zipfile
 systty = platform.system()
 system1 = 'windows'
 system2 = 'Linux'
 def unzip():
     if systty.lower() == system1.lower():
     # if systty.lower() == 'windows':
         flag = "\\"
         source_zip="E:\\CGserve.zip"
         target_dir="E:\\"
         #print(systty,"这是一台windows机器!!!")
         print(systty,"thisi is windows machine!!!")
     elif system2.lower() == 'linux':
         flag = "/"
         source_zip="/home/CGserve.zip"
         target_dir="/home/common/CGuardian"
         print(systty,"thisi is linux machine!!!")
     else:
         print("not found....!")
         sys.exit(1)
     myzip = zipfile.ZipFile(source_zip)
     myfilelist=myzip.namelist()
     for name in myfilelist:
         mylist = name.split('/')
         mylist.pop()
         tmp_dir = flag.join(mylist)
         base_dir = "%s%s" % (target_dir,tmp_dir)
         #print(base_dir)
         if os.path.isdir(base_dir):
             pass
         else:
             os.makedirs(base_dir)
         f_handle = open(target_dir+name,"wb")
         f_handle.write(myzip.read(name))
     f_handle.close()
 unzip()