YubiGuard.py 文件源码

def __init__(self, scrlck_mode=False):
        self.scrlck_mode = scrlck_mode

        self.id_q = Queue()
        self.on_q = Queue()
        self.pi_q = Queue()

        # init processes
        gi_proc = Process(target=self.get_ids)
        gi_proc.daemon = True

        cs_proc = Process(target=self.change_state)
        # no daemon, or main program will terminate before Keys can be unlocked
        cs_proc.daemon = False

        zmq_lis = ZmqListener(
            self.on_q)  # somehow works ony with threads not processes
        zmq_lis_thr = Thread(target=zmq_lis.start_listener)
        zmq_lis_thr.setDaemon(True)

        pi = PanelIndicator(self.pi_q, self.on_q)

        # starting processes and catching exceptions:
        try:
            gi_proc.start()
            cs_proc.start()
            zmq_lis_thr.start()

            pi.run_pi()  # main loop of root process

        except (KeyboardInterrupt, SystemExit):
            print('Caught exit event.')

        finally:
            # send exit signal, will reactivate YubiKey slots
            print('Sending EXIT_SIGNAL')
            self.on_q.put(EXIT_SIGNAL)