def METHOD_NAME(self):
    devnode = self.devnode
    if not hasattr(devnode, 'original_part_names'):
        devnode.original_part_names = dict()
        devnodes = devnode.conglomerate_nids
        for node in devnodes:
            devnode.original_part_names[str(
                node.original_part_name)] = node.conglomerate_elt-1
    return devnode.original_part_names