From 86780a8bc3eac566d2c03a601f84b5ccf5737ceb Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Tue, 28 Mar 2017 10:41:08 +0100 Subject: Don't convert to deferreds when not necessary --- synapse/push/push_tools.py | 7 ++----- synapse/util/async.py | 2 +- synapse/util/caches/descriptors.py | 5 ++++- synapse/util/logcontext.py | 3 +++ synapse/visibility.py | 3 ++- 5 files changed, 12 insertions(+), 8 deletions(-) diff --git a/synapse/push/push_tools.py b/synapse/push/push_tools.py index 287df94b4f..6835f54e97 100644 --- a/synapse/push/push_tools.py +++ b/synapse/push/push_tools.py @@ -17,15 +17,12 @@ from twisted.internet import defer from synapse.push.presentable_names import ( calculate_room_name, name_from_member_event ) -from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred @defer.inlineCallbacks def get_badge_count(store, user_id): - invites, joins = yield preserve_context_over_deferred(defer.gatherResults([ - preserve_fn(store.get_invited_rooms_for_user)(user_id), - preserve_fn(store.get_rooms_for_user)(user_id), - ], consumeErrors=True)) + invites = yield store.get_invited_rooms_for_user(user_id) + joins = yield store.get_rooms_for_user(user_id) my_receipts_by_room = yield store.get_receipts_for_user( user_id, "m.read", diff --git a/synapse/util/async.py b/synapse/util/async.py index 35380bf8ed..8495de496a 100644 --- a/synapse/util/async.py +++ b/synapse/util/async.py @@ -101,7 +101,7 @@ class ObservableDeferred(object): return d else: success, res = self._result - return defer.succeed(res) if success else defer.fail(res) + return res if success else defer.fail(res) def observers(self): return self._observers diff --git a/synapse/util/caches/descriptors.py b/synapse/util/caches/descriptors.py index 5c30ed235d..1607978e29 100644 --- a/synapse/util/caches/descriptors.py +++ b/synapse/util/caches/descriptors.py @@ -341,7 +341,10 @@ class CacheDescriptor(_CacheDescriptorBase): cache.set(cache_key, result_d, callback=invalidate_callback) observer = result_d.observe() - return logcontext.make_deferred_yieldable(observer) + if isinstance(observer, defer.Deferred): + return logcontext.make_deferred_yieldable(observer) + else: + return observer wrapped.invalidate = cache.invalidate wrapped.invalidate_all = cache.invalidate_all diff --git a/synapse/util/logcontext.py b/synapse/util/logcontext.py index 857afee7cb..183d9cf62f 100644 --- a/synapse/util/logcontext.py +++ b/synapse/util/logcontext.py @@ -315,6 +315,9 @@ def preserve_context_over_deferred(deferred, context=None): the deferred follow the synapse logcontext rules: try ``make_deferred_yieldable`` instead. """ + if not isinstance(deferred, defer.Deferred): + return deferred + if context is None: context = LoggingContext.current_context() d = _PreservingContextDeferred(context) diff --git a/synapse/visibility.py b/synapse/visibility.py index 31659156ae..c4dd9ae2c7 100644 --- a/synapse/visibility.py +++ b/synapse/visibility.py @@ -56,7 +56,8 @@ def filter_events_for_clients(store, user_tuples, events, event_id_to_state): events ([synapse.events.EventBase]): list of events to filter """ forgotten = yield preserve_context_over_deferred(defer.gatherResults([ - preserve_fn(store.who_forgot_in_room)( + defer.maybeDeferred( + preserve_fn(store.who_forgot_in_room), room_id, ) for room_id in frozenset(e.room_id for e in events) -- cgit 1.4.1