Using Matlab shared engine

use_matlab.py

# -*- coding: utf-8 -*-

import multiprocessing as mp
import matlab.engine as me


def start_matlab(ready_event, close_event):
    print('Starting matlab...')

    eng = me.start_matlab(option='-nodesktop')
    eng.matlab.engine.shareEngine(nargout=0)
    name = eng.matlab.engine.engineName(nargout=1)

    print('MATLAB engine name:', name)

    ready_event.set()
    close_event.wait()

    print('Exiting and closing Matlab...')


def main():
    ready_event = mp.Event()
    close_event = mp.Event()

    ready_event.clear()
    close_event.clear()

    p = mp.Process(target=start_matlab, args=(ready_event, close_event))

    p.daemon = False
    p.start()

    ready_event.wait()

    names = me.find_matlab()

    print('Found matlab sessions:', names)
    print('Connect to Matlab:', names[0])

    try:
        eng = me.connect_matlab(names[0])
    except Exception:
        raise
    else:
        print(eng.version(nargout=1))
    finally:
        close_event.set()


if __name__ == '__main__':
    mp.set_start_method('spawn')  # for working on unix
    main()