--> Running shell script with python
Lutz Horn
lutz.horn at posteo.de
Thu Aug 18 06:19:52 EDT 2016
> Tell me, do you know how can i send CTRl+C command from python to
> terminate this external shell script ?
os.system[1] is not an asynchronous function. It returns as soon as the
called command terminates, not earlier.
If you want to execute a command in a subprocess, use
subprocess.Popen[2]. You can then later kill this process using
Popen.kill()[3].
>>> import subprocess
>>> p = suprocess.Popen(["sleep", "10]) # sleep 10 seconds
>>> p.kill()
Lutz
[1] https://docs.python.org/3/library/os.html#os.system
[2] https://docs.python.org/3/library/subprocess.html#subprocess.Popen
[3] https://docs.python.org/3/library/subprocess.html#subprocess.Popen.kill
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