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peanuts7660

请教下 Python 在 windows 上执行命令行的问题

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  •   peanuts7660 Jul 15, 2019 2545 views
    This topic created in 2480 days ago, the information mentioned may be changed or developed.
    我需要执行命令行来调用另一个程序 A,由于 A 在执行的过程中会启动程序 B,并且 程序 B 会一直运行,所以 即使是 程序 A 已经执行完毕,我 python 中执行的命令行还是阻塞着没有退出。
    现在执行命令行使用的是 os.popen(cmd).read() , 请问下大家有什么方法能够让 A 执行完毕,我的程序就不再阻塞?
    3 replies    2019-07-16 01:14:39 +08:00
    rabbitlbj
        1
    rabbitlbj  
       Jul 15, 2019 via Android
    os.system
    1462326016
        2
    1462326016  
       Jul 15, 2019
    理论上来说你这样的话 B 就是 A 的子进程了,除非 B 退出了,否则你这种情况下应该不能单独退出 A 让 B 单独运行。
    PlushieChicka
        3
    PlushieChicka  
       Jul 16, 2019
    为什么不用 os.system()呢?
    如果你是因为某些特殊需求要用 os.popen(cmd).read(),可以试试用多线程,多开一个线程去干这事。
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