NodeTree.py

# hand_instance.controls.finger.fk[0]
# hand_instance.finger.controls.fk[0]
# hand_instance.controls_finger_ik_0
# hand_instance.fk.controls.finger[0]
# hand_instance.finger.fk.controls[0]
# hand_instance.fingers[0].controls[2]
# hand_instance.fingers[0].controls.fk[2]

hand_instance.hierarchy = {‘fingers’: [
                                      {‘controls’: {‘fk’: [<Control ‘index_0’>, <Control ‘index_1’>, ...]}},
                                      {‘controls’: {‘fk’: [<Control middle_0’>, <Control ‘middle_1’>, ...}}
                                      ]
                          }