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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 receiving dead-lettered messages from a Service Bus Queue.
"""
# pylint: disable=C0111
import os
from azure.servicebus import ServiceBusClient, ServiceBusMessage, ServiceBusSubQueue
CONNECTION_STR = os.environ['SERVICE_BUS_CONNECTION_STR']
QUEUE_NAME = os.environ["SERVICE_BUS_QUEUE_NAME"]
servicebus_client = ServiceBusClient.from_connection_string(conn_str=CONNECTION_STR)
with servicebus_client:
sender = servicebus_client.get_queue_sender(queue_name=QUEUE_NAME)
messages = [ServiceBusMessage("Message to be deadlettered") for _ in range(10)]
with sender:
sender.send_messages(messages)
print('dead lettering messages')
receiver = servicebus_client.get_queue_receiver(queue_name=QUEUE_NAME)
with receiver:
received_msgs = receiver.receive_messages(max_message_count=10, max_wait_time=5)
for msg in received_msgs:
print(str(msg))
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)
with dlq_receiver:
received_msgs = dlq_receiver.receive_messages(max_message_count=10, max_wait_time=5)
for msg in received_msgs:
print(str(msg))
dlq_receiver.complete_message(msg)
print("Receive is done.")
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