wangwengwu 发表于 2017-4-22 07:14:13

python subprocess tips

http://stackoverflow.com/questions/14246292/python-subprocess-call-blocking

subprocess.call
block, and 立刻运行命令

p = subprocess.Popen
不运行
当p.wait 时,开始运行


output = subprocess.check_output
立刻运行,如果失败,raise exception
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