#!/usr/bin/env python

import sys, os

if __name__ == "__main__":
	import portage
	root = portage.settings["ROOT"]
	vardb = portage.db[root]["vartree"].dbapi
	portdb = portage.db[root]["porttree"].dbapi
	for cpv in vardb.cpv_all():
		if not portdb.xmatch("bestmatch-visible", "=" + cpv):
			print cpv