def _LUNameForOpName(opname):
  assert opname.startswith(_OP_PREFIX), \
      "Invalid OpCode name, doesn't start with %s: %s" % (_OP_PREFIX, opname)

  return _LU_PREFIX + opname[len(_OP_PREFIX):]
Look through devices in the ring for the first handoff device that was
dataset/ETHPy150Open ganeti/ganeti/lib/mcpu.py/_LUNameForOpName--crossover with--dataset/ETHPy150Open openstack/swift/swift/container/replicator.py/ContainerReplicator.find_local_handoff_for_part