updater.py 文件源码

def idle(self, stop_signals=(SIGINT, SIGTERM, SIGABRT)):
        """Blocks until one of the signals are received and stops the updater.

        Args:
            stop_signals (:obj:`iterable`): Iterable containing signals from the signal module that
                should be subscribed to. Updater.stop() will be called on receiving one of those
                signals. Defaults to (``SIGINT``, ``SIGTERM``, ``SIGABRT``).

        """
        for sig in stop_signals:
            signal(sig, self.signal_handler)

        self.is_idle = True

        while self.is_idle:
            sleep(1)