def perform ( self, event ):
        self.ui.do_undoable( self._perform, event )
Get the ring, or more specifically, the swift.common.ring.RingData.
dataset/ETHPy150Open enthought/traitsui/traitsui/wx/ui_base.py/ButtonEditor.perform--crossover with--dataset/ETHPy150Open openstack/swift/swift/common/ring/builder.py/RingBuilder.get_ring