kombu/examples/simple_task_queue/worker.py

39 lines
1.1 KiB
Python

from __future__ import with_statement
from kombu.mixins import ConsumerMixin
from kombu.utils import kwdict, reprcall
from queues import task_queues
class Worker(ConsumerMixin):
def __init__(self, connection):
self.connection = connection
def get_consumers(self, Consumer, channel):
return [Consumer(queues=task_queues,
callbacks=[self.process_task])]
def process_task(self, body, message):
fun = body["fun"]
args = body["args"]
kwargs = body["kwargs"]
self.info("Got task: %s", reprcall(fun.__name__, args, kwargs))
try:
fun(*args, **kwdict(kwargs))
except Exception, exc:
self.error("task raised exception: %r", exc)
message.ack()
if __name__ == "__main__":
from kombu import BrokerConnection
from kombu.utils.debug import setup_logging
setup_logging(loglevel="INFO")
with BrokerConnection("amqp://guest:guest@localhost:5672//") as conn:
try:
Worker(conn).run()
except KeyboardInterrupt:
print("bye bye")