text: # -*- coding: utf-8 -*-
  #
  # 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
  #
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  # 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.
  
  """Publish message to SNS queue"""
  
  from airflow.models import BaseOperator
  from airflow.providers.amazon.aws.hooks.sns import AwsSnsHook
  from airflow.utils.decorators import apply_defaults
  
  
  class SnsPublishOperator(BaseOperator):
      """
      Publish a message to Amazon SNS.
  
      :param aws_conn_id: aws connection to use
      :type aws_conn_id: str
      :param target_arn: either a TopicArn or an EndpointArn
      :type target_arn: str
      :param message: the default message you want to send (templated)
      :type message: str
      """
      template_fields = ['message']
      template_ext = ()
  
      @apply_defaults
      def __init__(
              self,
              target_arn,
              message,
              aws_conn_id='aws_default',
              *args, **kwargs):
          super().__init__(*args, **kwargs)
          self.target_arn = target_arn
          self.message = message
          self.aws_conn_id = aws_conn_id
  
      def execute(self, context):
          sns = AwsSnsHook(aws_conn_id=self.aws_conn_id)
  
          self.log.info(
              'Sending SNS notification to %s using %s:\n%s',
              self.target_arn,
              self.aws_conn_id,
              self.message
          )
  
          return sns.publish_to_target(
              target_arn=self.target_arn,
              message=self.message
          )
  