How to terminate a python subprocess launched with shell=True

Question

I\'m launching a subprocess with the following command:

p = subprocess.Popen(cmd, stdout=subprocess.PIPE, shell=True)

However, when I try t

Answer 1

When shell=True the shell is the child process, and the commands are its children. So any SIGTERM or SIGKILL will kill the shell but not its child processes, and I don't remember a good way to do it. The best way I can think of is to use shell=False, otherwise when you kill the parent shell process, it will leave a defunct shell process.