[Answer]-How to stop subprocess in Django management command?

Well, the p variable does indeed not exist in your context of status == False.
You could use a pidfile where you write down p‘s pid when the command is ran with status == True and kill (os.kill would work well) the process whose pid is in that pidfile when you run the command is ran with status == False.

You probably make the whole thing a bit simpler by just writing down the pid of the Python script that’s running the subprocess command in the first place and kill that one.

That’s not very graceful however.