How to execute mpirun or mpiexec command from a python script?

I have an MPI application written in C++. When I run the application using mpirun or mpiexec on my local machine shell, it works fine. The problem is that the mpi application should be executed after a request from the network (e.g. HTTP request) is received. Assuming that the application server is written in python, how can I execute the mpi application using mpiexec command from a python script? I used subprocesses.run() command but nothing happens.

My general question: What is the best way to run an MPI application in client/server architecture?

Thank you

source https://stackoverflow.com/questions/74061836/how-to-execute-mpirun-or-mpiexec-command-from-a-python-script

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