def dag_node(self, key, term):
dn = DagNode()
dn._node_key = key
dn._object_key = key
vt = VocTerm()
vt.term = term
dn.vocterm = vt
return dn
def tree_node(self, key, term):
dn = DagNode()
dn._object_key = key
vt = VocTerm()
vt.term = term
dn.vocterm = vt
tn = TreeNode(dn)
return tn
