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Ensuring message delivery with the mandatory flag
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The following example demonstrates how to check if a message is delivered by setting the mandatory flag and checking the return result when using the BlockingConnection::
import pika
# Open a connection to RabbitMQ on localhost using all default parameters
connection = pika.BlockingConnection()
# Open the channel
channel = connection.channel()
# Declare the queue
channel.queue_declare(queue="test", durable=True, exclusive=False, auto_delete=False)
# Send a message
if channel.basic_publish(exchange='test',
routing_key='test',
body='Hello World!',
properties=pika.BasicProperties(content_type='text/plain',
delivery_mode=1),
mandatory=True):
print 'Message was published'
else:
print 'Message was returned'
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