def grep(term, dbsession):
regions = EK.get_members('@REGION', dbsession).filter( EK.key.contains( term.lower() ) )
ids = [ r.id for r in regions ]
return Location.query(dbsession).filter(
or_( Location.country_id.in_( ids ), Location.level1_id.in_( ids ),
Location.level2_id.in_( ids ), Location.level3_id.in_( ids ),
Location.level4_id.in_( ids ) ) )
