def instantiate_leaf(model_key, model_value):
if isinstance(model_value, str):
leaf_type = YType.str
elif isinstance(model_value, int):
leaf_type = YType.uint16
elif isinstance(model_value, bool):
leaf_type = YType.bool
leaf_instance = YLeaf(leaf_type, model_key)
leaf_instance.set(model_value)
return leaf_instance
