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  • python 压缩 解压缩 文件

    1. 用zipfile模块打包文件或是目录、解压zip文件

    http://wangwei007.blog.51cto.com/68019/1045577

    #!/usr/bin/env python 
    # -*- coding: utf-8 -*- 
     
    from zipfile import * 
    import zipfile 
     
    #解压zip文件 
    def unzip(): 
        source_zip="c:\update\SW_Servers_20120815.zip" 
        target_dir="c:\update\" 
        myzip=ZipFile(source_zip) 
        myfilelist=myzip.namelist() 
        for name in myfilelist: 
            f_handle=open(target_dir+name,"wb") 
            f_handle.write(myzip.read(name))       
            f_handle.close() 
        myzip.close() 
     
    #添加文件到已有的zip包中 
    def addzip(): 
        f = zipfile.ZipFile('archive.zip','w',zipfile.ZIP_DEFLATED) 
        f.write('file_to_add.py') 
        f.close() 
     
    #把整个文件夹内的文件打包 
    def adddirfile(): 
        f = zipfile.ZipFile('archive.zip','w',zipfile.ZIP_DEFLATED) 
        startdir = "c:\mydirectory" 
        for dirpath, dirnames, filenames in os.walk(startdir): 
            for filename in filenames: 
                f.write(os.path.join(dirpath,filename)) 
        f.close() 

    2. python 调用rar命令行 压缩文件

    通过os模块的system()方法调用了系统的rar.exe命令,这个方法会返回一个变量exit_status

    import os
    import time
    
    source = [r'D:WorkPythonDemo', 'd:\work\linux']
    target_dir = 'D:\Work\backup\'
    
    target = target_dir + time.strftime('%Y%m%d%H%M%S') + '.rar'
    zip_command = "rar a %s %s" % (target, ' '.join(source))
    
    if os.system(zip_command) == 0:
        print 'Sucessful backup to', target
    else:
        print 'Backup Failed'
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  • 原文地址:https://www.cnblogs.com/xunbu7/p/5558822.html
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