Carl J. Van Arsdall wrote:
I want to create a process that would "expire" if it didn't complete in a set amount of time. I don't seem to see any timeout values to pass os.system - does anyone know of a good way to do this? So far all I can think of is some kind of watchdog thread - but that seems like overkill to do such a simple thing.
simple approach: use subprocess.Popen to fork off the external command, then sleep for a short while, check if it's done, sleep a little longer if it hasn't, etc. when you've waited long enough, use os.kill to kill the process.
(if you want to terminate a function in your own program, you can use the alarm signal. see e.g. http://code.activestate.com/recipes/307871/ )
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