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#!/usr/bin/env python
# --------------------------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for license information.
# --------------------------------------------------------------------------------------------
"""
Example to show sending message(s) to a Service Bus Topic asynchronously.
"""
import os
import asyncio
from azure.servicebus import ServiceBusMessage
from azure.servicebus.aio import ServiceBusClient
from azure.identity.aio import DefaultAzureCredential
FULLY_QUALIFIED_NAMESPACE = os.environ["SERVICEBUS_FULLY_QUALIFIED_NAMESPACE"]
TOPIC_NAME = os.environ["SERVICEBUS_TOPIC_NAME"]
async def send_single_message(sender):
message = ServiceBusMessage("Single Message")
await sender.send_messages(message)
async def send_a_list_of_messages(sender):
messages = [ServiceBusMessage("Message in list") for _ in range(10)]
await sender.send_messages(messages)
async def send_batch_message(sender):
batch_message = await sender.create_message_batch()
for _ in range(10):
try:
batch_message.add_message(ServiceBusMessage("Message inside a ServiceBusMessageBatch"))
except ValueError:
# ServiceBusMessageBatch object reaches max_size.
# New ServiceBusMessageBatch object can be created here to send more data.
break
await sender.send_messages(batch_message)
async def main():
credential = DefaultAzureCredential()
servicebus_client = ServiceBusClient(FULLY_QUALIFIED_NAMESPACE, credential, logging_enable=True)
async with servicebus_client:
sender = servicebus_client.get_topic_sender(topic_name=TOPIC_NAME)
async with sender:
await send_single_message(sender)
await send_batch_message(sender)
print("Send message is done.")
asyncio.run(main())
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