Re: subprocess question re waiting

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Date	Mon, 08 Apr 2013 08:25:24 -0400
From	Dave Angel <davea@davea.name>
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On 04/08/2013 07:00 AM, loial wrote:
> I want to call a child process to run a shell script and wait for that script to finish. Will the code below wait for the script to finish? If not then how do I make it wait?
>
> Any help appreciated.
>
>
> import subprocess
>
> command = "/home/john/myscript"
>
> process = subprocess.Popen(command, stdin=subprocess.PIPE,stdout=subprocess.PIPE, stderr=subprocess.PIPE, close_fds=True, shell=True)
>
> out, err = process.communicate()
> returncode = process.returncode
>

Yes, communicate() will block until the child process is complete.

   http://docs.python.org/2/library/subprocess.html#popen-objects

Note the phrase:  "Wait for process to terminate."  That's referring to 
the shell in your case.

-- 
DaveA

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Thread

subprocess question re waiting loial <jldunn2000@gmail.com> - 2013-04-08 04:00 -0700
  Re: subprocess question re waiting Alain Ketterlin <alain@dpt-info.u-strasbg.fr> - 2013-04-08 13:48 +0200
    Re: subprocess question re waiting Dylan Evans <dylan@dje.me> - 2013-04-08 22:01 +1000
    Re: subprocess question re waiting Dave Angel <davea@davea.name> - 2013-04-08 08:22 -0400
    Re: subprocess question re waiting Dylan Evans <dylan@dje.me> - 2013-04-08 22:58 +1000
  Re: subprocess question re waiting Dave Angel <davea@davea.name> - 2013-04-08 08:25 -0400

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