def filter_feed(url, tasks):
ids = set(t.entry_id for t in tasks)
feed = utils.parse_atom(url, cache=feed_cache)
# feed = deepcopy(utils.parse_atom(url, cache=feed_cache))
# for element in feed.root.findall('entry'):
# if element.find('id').text not in ids:
# feed.root.remove(element)
return feed
def process_task(self, task):
"""
Tries to create a new subscription from a subscription task.
The task should already be verified with a subscriber. However such
verification only confirms the intent of the subscriber and actual
subscription may still fail for different reasons (mostly from checks
in parse_atom).
"""
atom = utils.parse_atom(task.topic)
if task.mode == "subscribe":
subscription, created = self.get_or_create(
callback=task.callback,
topic=atom.link("self"),
verify_token=task.verify_token,
defaults={"secret": task.secret, "expires": datetime.now()},
)
subscription.expires = datetime.now() + timedelta(seconds=task.lease_seconds)
subscription.save()
else:
self.filter(callback=task.callback, topic=atom.link("self")).delete()
