from datetime import timedelta from celery.task.schedules import crontab from django.utils import timezone from orchestra.contrib.tasks import periodic_task from .models import BackendLog @periodic_task(run_every=crontab(hour=7, minute=30, day_of_week=1)) def backend_logs_cleanup(): days = settings.ORCHESTRATION_BACKEND_CLEANUP_DAYS epoch = timezone.now()-timedelta(days=days) BackendLog.objects.filter(created_at__lt=epoch).delete()