From d8a9cd8d3ef4645c5ee5d190a043c46fbe02e4f3 Mon Sep 17 00:00:00 2001 From: Patrick Cloke Date: Mon, 27 Jul 2020 08:35:56 -0400 Subject: [PATCH] Remove hacky error handling for inlineDeferreds. (#7950) --- changelog.d/7950.misc | 1 + synapse/handlers/federation.py | 14 +++++--------- synapse/handlers/message.py | 19 +++++++------------ 3 files changed, 13 insertions(+), 21 deletions(-) create mode 100644 changelog.d/7950.misc diff --git a/changelog.d/7950.misc b/changelog.d/7950.misc new file mode 100644 index 000000000..f6bfa2f1f --- /dev/null +++ b/changelog.d/7950.misc @@ -0,0 +1 @@ +Simplify error handling in federation handler. diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index 758ffdf01..f5f683bfd 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -1887,9 +1887,6 @@ class FederationHandler(BaseHandler): origin, event, state=state, auth_events=auth_events, backfilled=backfilled ) - # reraise does not allow inlineCallbacks to preserve the stacktrace, so we - # hack around with a try/finally instead. - success = False try: if ( not event.internal_metadata.is_outlier() @@ -1903,12 +1900,11 @@ class FederationHandler(BaseHandler): await self.persist_events_and_notify( [(event, context)], backfilled=backfilled ) - success = True - finally: - if not success: - run_in_background( - self.store.remove_push_actions_from_staging, event.event_id - ) + except Exception: + run_in_background( + self.store.remove_push_actions_from_staging, event.event_id + ) + raise return context diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index 172a7214b..e451d6dc8 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -857,9 +857,6 @@ class EventCreationHandler(object): await self.action_generator.handle_push_actions_for_event(event, context) - # reraise does not allow inlineCallbacks to preserve the stacktrace, so we - # hack around with a try/finally instead. - success = False try: # If we're a worker we need to hit out to the master. if not self._is_event_writer: @@ -875,22 +872,20 @@ class EventCreationHandler(object): ) stream_id = result["stream_id"] event.internal_metadata.stream_ordering = stream_id - success = True return stream_id stream_id = await self.persist_and_notify_client_event( requester, event, context, ratelimit=ratelimit, extra_users=extra_users ) - success = True return stream_id - finally: - if not success: - # Ensure that we actually remove the entries in the push actions - # staging area, if we calculated them. - run_in_background( - self.store.remove_push_actions_from_staging, event.event_id - ) + except Exception: + # Ensure that we actually remove the entries in the push actions + # staging area, if we calculated them. + run_in_background( + self.store.remove_push_actions_from_staging, event.event_id + ) + raise async def _validate_canonical_alias( self, directory_handler, room_alias_str: str, expected_room_id: str