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AlexDemian/parent.py

Created July 9, 2018 13:06
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  1. AlexDemian created this gist Jul 9, 2018.
    22 changes: 22 additions & 0 deletions parent.py
    View file
    Original file line number Diff line number Diff line change
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    import subprocess
    import os
    import signal
    import time

    path = os.path.abspath(__file__).rpartition('/')[0]

    child_comm = ['python %s/child.py' % path]
    parent_comm = ['python %s/parent.py' % path]

    proc = subprocess.Popen(child_comm, shell=True)
    print 'New child process created'

    your_condition = True

    while your_condition:
    time.sleep(1)

    subprocess.Popen(parent_comm, shell=True, preexec_fn=os.setpgrp)
    print 'New wrapper(parent process) created'
    print 'Terminating old processgroup...'
    os.killpg(os.getpgid(proc.pid), signal.SIGTERM)