From 8b1c856d815c8ab939cd5a272665d80a22ee5d33 Mon Sep 17 00:00:00 2001 From: Richard van der Hoff Date: Fri, 18 May 2018 09:15:35 +0100 Subject: Fix error in handling receipts Fixes an error which has been happening ever since #2158 (v0.21.0-rc1): > TypeError: argument of type 'ObservableDeferred' is not iterable fixes #3234 --- synapse/storage/receipts.py | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/synapse/storage/receipts.py b/synapse/storage/receipts.py index 2f95e7e82a..709c69a926 100644 --- a/synapse/storage/receipts.py +++ b/synapse/storage/receipts.py @@ -297,18 +297,22 @@ class ReceiptsWorkerStore(SQLBaseStore): if receipt_type != "m.read": return - # Returns an ObservableDeferred + # Returns either an ObservableDeferred or the raw result res = self.get_users_with_read_receipts_in_room.cache.get( room_id, None, update_metrics=False, ) - if res: - if isinstance(res, defer.Deferred) and res.called: + # first handle the Deferred case + if isinstance(res, defer.Deferred): + if res.called: res = res.result - if user_id in res: - # We'd only be adding to the set, so no point invalidating if the - # user is already there - return + else: + res = None + + if res and user_id in res: + # We'd only be adding to the set, so no point invalidating if the + # user is already there + return self.get_users_with_read_receipts_in_room.invalidate((room_id,)) -- cgit 1.4.1