Python中执行系统命令常见方法有两种:
两者均需 import os
(1) os.system
# 仅仅在一个子终端运行系统命令,而不能获取命令执行后的返回信息
system(command) -> exit_status
Execute the command (a string) in a subshell.
# 如果再命令行下执行,结果直接打印出来
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11.wmv books downloads Pictures python
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[ 'dump_db_pickle.py ' ,
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'make_db_pickle_recs.py ' ,
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'peopleinteract_query.py ' ,
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'update_db_pickle.py ' ,
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>>> subprocess.call ([ "cmd" , "arg1" , "arg2" ],shell = True )
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获取返回和输出:
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for line in p.stdout.readlines():
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(4) 使用模块commands模块
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[ '__all__' , '__builtins__' , '__doc__' , '__file__' , '__name__' , 'getoutput' , 'getstatus' , 'getstatusoutput' , 'mk2arg' , 'mkarg' ]
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'Wed Jun 10 19:39:57 CST 2009' |
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>>> commands.getstatusoutput( "date" )
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查看源代码
打印
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Traceback (most recent call last): |
<div alt2"="" style="margin: 0px !important; padding: 0px !important; border: 0px !important; outline: 0px !important; font-size: 1em !important; vertical-align: baseline !important; background-image: none !important; background-color: rgb(248, 248, 248) !important; float: none !important; position: static !important; left: auto !important; top: auto !important; right: auto !important; bottom: auto !important; height: auto !important; width: auto !important; line-height: 1.1em !important; direction: ltr !important;">
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UnicodeEncodeError: 'ascii' codec can't encode characters in position 46-52: ordinal not in range(128)
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本文转自 chengxuyonghu 51CTO博客,原文链接:http://blog.51cto.com/6226001001/1627306,如需转载请自行联系原作者