GitHub

subprocess: Popen.kill() + Popen.communicate() is blocking until all processes using the pipe close the pipe #82388

On Windows, the threads reading pipes continue to run even after the direct child process exited. Problem: at Python exit (main process), Python hangs on calling threading._shutdown () which waits ...
GitHub

subprocess.Popen(['/sbin/ldconfig', '-p'], stdin=PIPE) itself hangs/deadlocks (Linux) #79486

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Hacker

Calling Shell Commands from Python: OS.system vs Subprocess

If you are a Python programmer, it is quite likely that you have experience in shell scripting. It is not uncommon to face a task that seems trivial to solve with a shell command. Therefore, it is ...