def take_action(self, parsed_args):
        self.log.debug("take_action(%s)", parsed_args)
        senlin_client = self.app.client_manager.clustering

        try:
            if not parsed_args.force and sys.stdin.isatty():
                sys.stdout.write(
                    _("Are you sure you want to delete this node(s)"
                      " [y/N]?"))
                prompt_response = sys.stdin.readline().lower()
                if not prompt_response.startswith('y'):
                    return
        except KeyboardInterrupt:  # Ctrl-c
            self.log.info(_LI('Ctrl-c detected.'))
            return
        except EOFError:  # Ctrl-d
            self.log.info(_LI('Ctrl-d detected'))
            return

        failure_count = 0

        for nid in parsed_args.node:
            try:
                senlin_client.delete_node(nid, False)
            except Exception as ex:
                failure_count += 1
                print(ex)
        if failure_count:
            raise exc.CommandError(_('Failed to delete %(count)s of the '
                                     '%(total)s specified node(s).') +
                                   {'count': failure_count,
                                   'total': len(parsed_args.node)})
        print('Request accepted')
dataset/ETHPy150Open openstack/python-senlinclient/senlinclient/v1/node.py/DeleteNode.take_action/operator `%` -> `+`