Author martin.panter
Recipients Leonardo Francalanci, eryksun, martin.panter, r.david.murray
Date 2017-09-13.21:34:15
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Message-id <1505338455.94.0.579075077241.issue31447@psf.upfronthosting.co.za>
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Isn’t your use of “cmd” similar enough to shell=True? I.e. isn’t that a “cmd” parent process spawning a “waitfor” child? If your 4 s “subprocess.run” call times out, does it kill the “waitfor” process, or leave it running?

Could the “waitfor” process write to stdout or stderr, and should that be captured by your 20 s “communicate” call?
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Date User Action Args
2017-09-13 21:34:15martin.pantersetrecipients: + martin.panter, r.david.murray, eryksun, Leonardo Francalanci
2017-09-13 21:34:15martin.pantersetmessageid: <1505338455.94.0.579075077241.issue31447@psf.upfronthosting.co.za>
2017-09-13 21:34:15martin.panterlinkissue31447 messages
2017-09-13 21:34:15martin.pantercreate