text: # Copyright 2017-present Adtran, Inc.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  # http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
  from voltha.extensions.alarms.adapter_alarms import AlarmBase
  
  
  class OnuLosAlarm(AlarmBase):
      def __init__(self, alarm_mgr, onu_id, intf_id):
          super(OnuLosAlarm, self).__init__(alarm_mgr, object_type='onu LOS',
                                            alarm='ONU_LOS',
                                            alarm_category=AlarmEventCategory.ONU,
                                            alarm_type=AlarmEventType.COMMUNICATION,
                                            alarm_severity=AlarmEventSeverity.MAJOR)
          self._onu_id = onu_id
          self._intf_id = intf_id
  
      def get_context_data(self):
          return {'onu-id': self._onu_id,
                  'onu-intf-id': self._intf_id}
  