text: #!/usr/bin/env python
  #
  # 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.
  #
  
  import pulsar
  
  
  client = pulsar.Client('pulsar://localhost:6650')
  
  producer = client.create_producer(
                      'my-topic',
                      block_if_queue_full=True,
                      batching_enabled=True,
                      batching_max_publish_delay_ms=10,
                      properties={
                          "producer-name": "test-producer-name",
                          "producer-id": "test-producer-id"
                      }
                  )
  
  for i in range(10):
      try:
          producer.send('hello'.encode('utf-8'), None)
      except Exception as e:
          print("Failed to send message: %s", e)
  
  producer.close()
  