def synchronize_all_feeds():
"""Synchronize feeds every 30 minutes.
To avoid a spike of load, the synchronization is spread over the whole
period.
Feeds that have their sync explicitly disabled or that have no active
subscribers are not synchronized.
"""
current_date = now()
inactive_user_threshold = current_date - (
timedelta(seconds=settings.SESSION_COOKIE_AGE) * 2)
feeds_to_sync = models.Feed.objects.filter(
is_sync_enabled=True,
subscribers__user__is_active=True,
subscribers__user__last_login__gte=inactive_user_threshold)
ats = list()
for i in range(0, 29):
ats.append(current_date + timedelta(minutes=i))
batch = Batch()
for feed_id in feeds_to_sync.values_list('id', flat=True):
batch.schedule_at('synchronize_feed', random.choice(ats), feed_id)
tasks.schedule_batch(batch)
def synchronize_all_feeds():
"""Synchronize all feeds every 30 minutes.
To avoid a spike of load, the synchronization is spread over the whole
period.
"""
current_date = now()
ats = list()
for i in range(0, 29):
ats.append(current_date + timedelta(minutes=i))
batch = Batch()
for feed_id in models.Feed.objects.values_list('id', flat=True):
batch.schedule_at('synchronize_feed', random.choice(ats), feed_id)
tasks.schedule_batch(batch)
def test_schedule_batch(patch_now):
now = get_now()
tasks = Tasks()
tasks.add(print, 'foo_task')
tasks.add(print, 'bar_task')
broker = Mock()
s = Engine(broker, namespace='tests')
s.attach_tasks(tasks)
batch = Batch()
batch.schedule('foo_task', 1, 2)
batch.schedule_at('bar_task', now, three=True)
s.schedule_batch(batch)
broker.enqueue_jobs.assert_called_once_with([ANY, ANY])
foo_job = broker.enqueue_jobs.call_args[0][0][0]
assert foo_job.task_name == 'foo_task'
assert foo_job.at == now
assert foo_job.task_args == (1, 2)
assert foo_job.task_kwargs == {}
bar_job = broker.enqueue_jobs.call_args[0][0][1]
assert bar_job.task_name == 'bar_task'
assert bar_job.at == now
assert bar_job.task_args == ()
assert bar_job.task_kwargs == {'three': True}
def sync(self, request, queryset):
batch = Batch()
for feed in queryset:
batch.schedule('synchronize_feed', feed.id, force=True)
tasks.schedule_batch(batch)
def form_valid(self, form):
batch = Batch()
for uri in form.cleaned_data['opml_uris']:
batch.schedule('create_feed', self.request.user.id, uri)
tasks.tasks.schedule_batch(batch)
return super().form_valid(form)