xos/attic/monitoringchannel_bottom.py

def model_policy_monitoring_channel(pk):
    # TODO: this should be made in to a real model_policy
    with transaction.atomic():
        mc = MonitoringChannel.objects.select_for_update().filter(pk=pk)
        if not mc:
            return
        mc = mc[0]
        mc.manage_container()