Scheduling for rq.
hourglass provides a date-sorted queue class, Schedule, that stores jobs that are to be run at some point in the future, and a daemon script, hourglass, that delegates those jobs to the regular queues processed by rqworker processes.
Run the hourglass daemon script included with the package. Example usage:
import times from datetime import timedelta from rq import use_connection from hourglass import Schedule def test_job(n): return n use_connection() s = Schedule() # schedule a job to be run 3 minutes from now eta = times.now() + timedelta(0, 180) job = s.enqueue(eta, test_job, 5)
hourglass managed jobs include an additional property, eta, which is the time passed as the first argument to Schedule.enqueue and Schedule.enqueue_job. They also include another property, queue for specifying which queue to dispatch the job to when eta has elapsed.
The Schedule queue and hourglass daemon use UTC times under the hood, so eta’s passed to the scheduler should be in UTC as well.
Compatibility updates for rq-0.3.0
Made Schedule.enqueue_job and Schedule.compact atomic.
Fixes for Python packaging.
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