This release is a pre-release and may not be stable for production use.
talus (noun) - ta·lus | ˈtā-ləs: a slope formed especially by an accumulation of rock debris; Occasional habitat of the pika.
A wrapper for connecting to RabbitMQ which constrains clients to a single purpose channel (producer or consumer) with healing for intermittent connectivity.
Features
Guided separation of connections for producers and consumers
Re-establish connections to the server when lost
Constrained interface to support simple produce / consume use cases for direct exchanges
Installation
pip install talusExamples
Creating a message class
from talus.message import message_class
@message_class(routing_key="message.m", queues=["message.q"])
class MyMessage:
a: strConsumer with defaults for connection and retry
with DurableBlockingConsumerWrapper(consumer_queue='queue_name') as consumer:
for method, properties, body in consumer.consume_generator(auto_ack=True):
pass # DO Something with the messageConsumer specifying connection and retry data
with DurableBlockingConsumerWrapper(consumer_queue='queue_name',
rabbitmq_host="localhost",
rabbitmq_port5672,
rabbitmq_user='guest',
rabbitmq_pass='guest',
retry_delay=1,
retry_backoff=2,
retry_jitter=(1, 10),
retry_max_delay=300,
prefetch_count=1,
connection_name='consumer connection') as consumer:
for method, properties, body in consumer.consume_generator(auto_ack=True):
pass # DO Something with the messageProducer with defaults for connection and retry
with DurableBlockingProducerWrapper(producer_queue_bindings=[{"routing_key": "test.m", "bound_queue": "test.q"}, MyMessage.binding()],
publish_exchange='amq.direct') as producer:
producer.post('test.m', {'key': 'value'})
producer.publish_message(MyMessage(a="s")) # using the message class from an earlier example1 maintainer
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