base.py 文件源码

def __exit__(self, *a):
        # Quit UI application.
        if self.app.is_running:
            self.app.set_result(None)

        # Remove WINCH handler.
        if self._has_sigwinch:
            self._loop.add_signal_handler(signal.SIGWINCH, self._previous_winch_handler)

        self._thread.join()