stack.py 文件源码

def _wait_for_completion(self):
        """
        Waits for a stack operation to finish. Prints CloudFormation events
        while it waits.

        :returns: The final stack status.
        :rtype: sceptre.stack_status.StackStatus
        """
        status = StackStatus.IN_PROGRESS

        self.most_recent_event_datetime = (
            datetime.now(tzutc()) - timedelta(seconds=3)
        )
        while status == StackStatus.IN_PROGRESS:
            status = self._get_simplified_status(self.get_status())
            self._log_new_events()
            time.sleep(4)
        return status