Handle get_all_entities_changed returning None

This commit is contained in:
Erik Johnston 2016-02-23 15:05:37 +00:00
parent 6e0209112b
commit 13f86c3489

View file

@ -858,11 +858,14 @@ class PresenceEventSource(object):
friends.add(user_id) # So that we receive our own presence
user_ids_changed = set()
changed = None
if from_key and from_key < 100:
# For small deltas, its quicker to get all changes and then
# work out if we share a room or they're in our presence list
changed = stream_change_cache.get_all_entities_changed(from_key)
# get_all_entities_changed can return None
if changed is not None:
for other_user_id in changed:
if other_user_id in friends:
user_ids_changed.add(other_user_id)