from reconfigure.items.bound import BoundData class GroupsData (BoundData): pass class GroupData (BoundData): fields = ['name', 'password', 'gid', 'users'] GroupsData.bind_collection('groups', item_class=GroupData) for i in range(0, len(GroupData.fields)): path = lambda i: lambda x: x.children[i] GroupData.bind_property('value', GroupData.fields[i], path=path(i))