import subprocess import sys import time def run(args): subprocess.run(args, check=True) def main(args): interval_secs = float(args[0]) exec_args = args[1:] while True: start_time = time.time() next_time = start_time + interval_secs run(exec_args) now = time.time() delay = next_time - now if delay > 0.01: time.sleep(delay) if __name__ == '__main__': main(sys.argv[1:])