Fix an off-by-one bug in presence event stream pagination; this might be responsible for any number of bug reports

This commit is contained in:
Paul "LeoNerd" Evans 2014-10-29 16:15:48 +00:00
parent d6bcffa929
commit b1ee6fd7ed
2 changed files with 17 additions and 1 deletions

View file

@ -838,7 +838,7 @@ class PresenceEventSource(object):
updates = []
# TODO(paul): use a DeferredList ? How to limit concurrency.
for observed_user in cachemap.keys():
if not (to_key < cachemap[observed_user].serial < from_key):
if not (to_key < cachemap[observed_user].serial <= from_key):
continue
if (yield self.is_visible(observer_user, observed_user)):