kombu/examples/simple_task_queue/worker.py

47 lines
1.2 KiB
Python

from __future__ import annotations
from kombu.log import get_logger
from kombu.mixins import ConsumerMixin
from kombu.utils.functional import reprcall
from .queues import task_queues
logger = get_logger(__name__)
class Worker(ConsumerMixin):
def __init__(self, connection):
self.connection = connection
def get_consumers(self, Consumer, channel):
return [Consumer(queues=task_queues,
accept=['pickle', 'json'],
callbacks=[self.process_task])]
def process_task(self, body, message):
fun = body['fun']
args = body['args']
kwargs = body['kwargs']
logger.info('Got task: %s', reprcall(fun.__name__, args, kwargs))
try:
fun(*args, **kwargs)
except Exception as exc:
logger.error('task raised exception: %r', exc)
message.ack()
if __name__ == '__main__':
from kombu import Connection
from kombu.utils.debug import setup_logging
# setup root logger
setup_logging(loglevel='INFO', loggers=[''])
with Connection('amqp://guest:guest@localhost:5672//') as conn:
try:
worker = Worker(conn)
worker.run()
except KeyboardInterrupt:
print('bye bye')