1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
#!/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 receiving dead-lettered messages from a Service Bus Queue asynchronously.
"""
# pylint: disable=C0111
import os
import asyncio
from azure.servicebus import ServiceBusMessage, ServiceBusSubQueue
from azure.servicebus.aio import ServiceBusClient
CONNECTION_STR = os.environ['SERVICE_BUS_CONNECTION_STR']
QUEUE_NAME = os.environ["SERVICE_BUS_QUEUE_NAME"]
async def main():
servicebus_client = ServiceBusClient.from_connection_string(conn_str=CONNECTION_STR)
async with servicebus_client:
sender = servicebus_client.get_queue_sender(queue_name=QUEUE_NAME)
messages = [ServiceBusMessage("Message to be deadlettered") for _ in range(10)]
async with sender:
await sender.send_messages(messages)
print('dead lettering messages')
receiver = servicebus_client.get_queue_receiver(queue_name=QUEUE_NAME)
async with receiver:
received_msgs = await receiver.receive_messages(max_message_count=10, max_wait_time=5)
for msg in received_msgs:
print(str(msg))
await receiver.dead_letter_message(msg)
print('receiving deadlettered messages')
dlq_receiver = servicebus_client.get_queue_receiver(queue_name=QUEUE_NAME,
sub_queue=ServiceBusSubQueue.DEAD_LETTER,
prefetch_count=10)
async with dlq_receiver:
received_msgs = await dlq_receiver.receive_messages(max_message_count=10, max_wait_time=5)
for msg in received_msgs:
print(str(msg))
await dlq_receiver.complete_message(msg)
loop = asyncio.get_event_loop()
loop.run_until_complete(main())
|
