Jaroslav Dobrek <jaroslav.dob...@gmail.com> writes:
> I would like to execute shell commands, but only if their execution
> time is not longer than n seconds. Like so:
>
> monitor(os.system("do_something"), 5)
>
> I.e. the command do_somthing should be executed by the operating
> system. If the call has not finished after 5 seconds, the process
> should be killed.
>
> How could this be done?
My system (linux) has a timeout command that does just this. Otherwise,
you may use subprocess.Popen to spawn the process, sleep for 5 seconds
in the parent, then use Popen.poll() to check whether the process has
finished, and finally Popen.kill() if it has not.
-- Alain.
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