def set_network_host(self, context, network_ref):
        LOG.debug(_('setting network host'), context=context)
        host = self.db.network_set_host(context,
                                        network_ref['id'],
                                        self.host)
        return host
pseudo-emit - calls any slots connected to signal
dataset/ETHPy150Open nii-cloud/dodai-compute/nova/network/manager.py/NetworkManager.set_network_host--crossover with--dataset/ETHPy150Open acil-bwh/SlicerCIP/Scripted/InteractiveLobeSegmentation/InteractiveLobeSegmentation.py/ILSpqWidget.emit