text: #
  # Licensed to the Apache Software Foundation (ASF) under one
  # or more contributor license agreements.  See the NOTICE file
  # distributed with this work for additional information
  # regarding copyright ownership.  The ASF licenses this file
  # to you 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 typing import TYPE_CHECKING, Sequence
  
  from airflow.models import BaseOperator
  from airflow.providers.redis.hooks.redis import RedisHook
  
  if TYPE_CHECKING:
      from airflow.utils.context import Context
  
  
  class RedisPublishOperator(BaseOperator):
      """
      Publish a message to Redis.
  
      :param channel: redis channel to which the message is published (templated)
      :type channel: str
      :param message: the message to publish (templated)
      :type message: str
      :param redis_conn_id: redis connection to use
      :type redis_conn_id: str
      """
  
      template_fields: Sequence[str] = ('channel', 'message')
  
      def __init__(self, *, channel: str, message: str, redis_conn_id: str = 'redis_default', **kwargs) -> None:
  
          super().__init__(**kwargs)
          self.redis_conn_id = redis_conn_id
          self.channel = channel
          self.message = message
  
      def execute(self, context: 'Context') -> None:
          """
          Publish the message to Redis channel
  
          :param context: the context object
          :type context: dict
          """
          redis_hook = RedisHook(redis_conn_id=self.redis_conn_id)
  
          self.log.info('Sending message %s to Redis on channel %s', self.message, self.channel)
  
          result = redis_hook.get_conn().publish(channel=self.channel, message=self.message)
  
          self.log.info('Result of publishing %s', result)
  