__init__.py 文件源码

def stop_spinning(self, *args):
        '''Stop spinning the progress spinner. Ignores all positional args
        for easy binding.

        If you intend to keep the spinner around, you should stop it when
        not using it and restart it when needed again.
        '''
        if self._spinning:
            if self._next:
                if isinstance(self._next, Animation):
                    self._next.cancel(self)
                else:
                    self._next.cancel()
            Clock.unschedule(self._update)
            Clock.unschedule(self._rotate)
            self._angle_start = self._angle_end = 0
            self._spinning = False