subprocess.wait() not waiting for Popen process to finish (when using threads)?

Question

I am experiencing some problems when using subprocess.Popen() to spawn several instances of the same application from my python script using threads to have the

Answer 1

Sadly when running your subprocess using shell=True, wait() will only wait for the sh subprocess to finish and not for the command cmd.

I will suggest if it possible to don't use the shell=True, if not possible you can create a process group like in this answer and use os.waitpid to wait for the process group not just the shell process.

Hope this was helpful :)