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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.
"""
import os
from azure.servicebus import ServiceBusClient, ServiceBusMessage, ServiceBusSubQueue
from azure.identity import DefaultAzureCredential
FULLY_QUALIFIED_NAMESPACE = os.environ["SERVICEBUS_FULLY_QUALIFIED_NAMESPACE"]
QUEUE_NAME = os.environ["SERVICEBUS_QUEUE_NAME"]
credential = DefaultAzureCredential()
servicebus_client = ServiceBusClient(FULLY_QUALIFIED_NAMESPACE, credential)
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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