def skipUnlessDBFeature(feature):
 return _deferredSkip((lambda : (not getattr(connection.features, feature))), (u"Database doesn't support feature %s" % feature))

def skipUnlessDBFeature ( feature ) : return _deferredSkip ( ( lambda : ( not getattr ( connection . features , feature ) ) ) , ( u"Database doesn't support feature %s" % feature ) )
skip a test unless a database has the named feature .