def _group(name, *children):
g = NodeSet(debug_id=name)
g.save()
g.add_children(*children)
return g
def add_children(self,*sub_nodes):
NodeSet.add_children(self, *sub_nodes)
for n in sub_nodes:
c=n._downcast(klass=Contact)
MembershipLog(village=self, contact=c, action='C').save()