sensor21-server.py 文件源码

def run(daemon):
        if daemon:
            pid_file = './sensor21.pid'
            if os.path.isfile(pid_file):
                pid = int(open(pid_file).read())
                os.remove(pid_file)
                try:
                    p = psutil.Process(pid)
                    p.terminate()
                except:
                    pass
            try:
                p = subprocess.Popen(['python3', 'sensor21-server.py'])
                open(pid_file, 'w').write(str(p.pid))
            except subprocess.CalledProcessError:
                raise ValueError("error starting sensor21-server.py daemon")
        else:
            print("Server running...")
            app.run(host='::', port=5002)