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if you call a shell process from python, your script will normally trundle along without pausing for that process to complete.  if you’d like the process to finish before your script continues on, use the communicate method:

proc = sub.Popen(my_job,stdout=sub.PIPE)
stdout,stderr = proc.communicate()


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3 Responses to “wait for an executed subprocess to complete in python”

  1. on 05 Dec 2009 at 3:46 pm craig

    thank you so much. i am still fairly new at python programming and was having a very hard time finding this information on google. i am sure this was due to my search query, but still, thanks a million man.

  2. on 17 Dec 2009 at 5:39 pm Charles Notley

    You could also use the wait method:

    proc = sub.Popen(my_job).wait()

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