killer.py

killer.py

 #https://blog.tonyseek.com/post/kill-the-descendants-of-subprocess/
 
 import signal
 import os
 import contextlib
 import subprocess
 import logging
 import warnings


 @contextlib.contextmanager
 def process_fixture(shell_args):
     proc = subprocess.Popen(shell_args, preexec_fn=os.setsid)
     try:
         yield
     finally:
         proc.terminate()
         proc.wait()

         try:
             os.killpg(proc.pid, signal.SIGTERM)
         except OSError as e:
             warnings.warn(e)