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Fix crash on duplicate or out of order reactions.

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Eventual consistency ftw
This commit is contained in:
khazhyk 2016-11-23 21:51:43 -08:00 committed by Rapptz
parent 59d17e4137
commit c8fd8a9e1a
1 changed files with 5 additions and 2 deletions
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7
discord/state.py
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@ -287,8 +287,11 @@ class ConnectionState:
emoji = self._get_reaction_emoji(**data['emoji'])
reaction = utils.get(message.reactions, emoji=emoji)
# if reaction isn't in the list, we crash. This means discord
# sent bad data, or we stored improperly
# Eventual consistency means we can get out of order or duplicate removes.
if not reaction:
log.warning("Unexpected reaction remove {}".format(data))
return
reaction.count -= 1
if data['user_id'] == self.user.id:
reaction.me = False