Python子过程运行SSH -F Localhost被Stdout陷入困境
下面的命令不断被卡住,而我希望控件能够返回,因为我在背景模式下进行SSH,
from subprocess import run, PIPE
p = run(['ssh', '-f', 'localhost', 'sleep', '1000'], stdout=PIPE)
有人可以帮助我了解问题所在吗?当我通过Stdout作为Devnull时,我会得到预期的行为
from subprocess import run, DEVNULL
p = run(['ssh', '-f', 'localhost', 'sleep', '1000'], stdout=DEVNULL)
The below command keeps on getting stuck whereas I expected the control to return back because I am doing ssh in background mode
from subprocess import run, PIPE
p = run(['ssh', '-f', 'localhost', 'sleep', '1000'], stdout=PIPE)
Can someone help me understand where the problem is? I am getting the expected behavior when I pass stdout as DEVNULL
from subprocess import run, DEVNULL
p = run(['ssh', '-f', 'localhost', 'sleep', '1000'], stdout=DEVNULL)
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