RoboWaiter/BTExpansionCode/EXP/behavior_lib/cond/HasSubTask.py

15 lines
436 B
Python

import py_trees as ptree
from typing import Any
from EXP.behavior_lib._base.Cond import Cond
class HasSubTask(Cond):
def __init__(self):
super().__init__()
def _update(self) -> ptree.common.Status:
# if self.scene.status?
if not self.scene.sub_task_seq or not self.scene.sub_task_seq.children:
return ptree.common.Status.FAILURE
else:
return ptree.common.Status.SUCCESS