apis/examples_python/interrupt_8py_source.html

import argparse

import signal

import sys

import threading

import time

from gams import GamsWorkspace


def interrupt_gams(job):

    time.sleep(2)

    job.interrupt()


if __name__ == "__main__":

    parser = argparse.ArgumentParser()

    parser.add_argument("sysDir", nargs="?", default=None)

    parser.add_argument("workDir", nargs="?", default=None)

    parser.add_argument("-nonInteractive", action="store_true")

    args = parser.parse_args()


    ws = GamsWorkspace(system_directory=args.sysDir, working_directory=args.workDir)


    # Use a model that needs some time to solve

    ws.gamslib("dicex")

    job = ws.add_job_from_file("dicex.gms")

    opt = ws.add_options()

    opt.all_model_types = "scip"


    if args.nonInteractive:

        # start thread asynchronously that interrupts the GamsJob after 2 seconds

        threading.Thread(target=interrupt_gams, args=(job,)).start()

    else:

        # register signal to job.interrupt

        signal.signal(signal.SIGINT, lambda signal, frame: job.interrupt())


    # start GamsJob

    job.run(opt, output=sys.stdout)