#!/usr/bin/env python3.9
import os
import signal

PRO_PATH = "/platform/LAS/"
PIDFILE = PRO_PATH + "LAS.pid"

def stop():
    if not os.path.exists(PIDFILE):
        print("No PID file found. Is LAS running?")
        return

    with open(PIDFILE, "r") as f:
        pid = int(f.read())

    try:
        os.kill(pid, signal.SIGTERM)
        print(f"Stopped LAS (PID {pid})")
    except ProcessLookupError:
        print(f"No process found with PID {pid}")
    finally:
        os.remove(PIDFILE)

if __name__ == "__main__":
    stop()