Method _before_clear

dm_control/mjcf/attribute.py:341–344

(self)

      self._value = value

  def _before_clear(self):
    if isinstance(self._value, base.Element):
      if isinstance(self._reference_namespace, _Attribute):
        self._reference_namespace._force_clear()  # pylint: disable=protected-access

  def _defaults_string(self, prefix_root):
    """Generates the XML string if this is a reference to a defaults class.