def setup_redis_broker() -> None:
_connection_pool: redis.BlockingConnectionPool = redis.BlockingConnectionPool(
host=REDIS_HOST, port=REDIS_PORT, db=REDIS_DB, password=REDIS_PASSWORD
)
_redis_db: redis.StrictRedis = redis.StrictRedis(connection_pool=_connection_pool)
_result_backend = RedisBackend(encoder=PickleEncoder(), client=_redis_db)
_result_middleware = Results(backend=_result_backend)
broker: Broker = RedisBroker(
connection_pool=_connection_pool,
middleware=[_result_middleware],
namespace="lrw",
)
dramatiq.set_broker(broker)
dramatiq.set_encoder(dramatiq.PickleEncoder())
def pickle_encoder():
old_encoder = dramatiq.get_encoder()
new_encoder = dramatiq.PickleEncoder()
dramatiq.set_encoder(new_encoder)
yield new_encoder
dramatiq.set_encoder(old_encoder)