From be309d99cfe852b9bf3afa27656254d46e2f107b Mon Sep 17 00:00:00 2001 From: Patrick Cloke Date: Mon, 11 May 2020 15:12:39 -0400 Subject: [PATCH] Convert search code to async/await. (#7460) --- changelog.d/7460.misc | 1 + synapse/handlers/search.py | 44 +++++++++++++++++--------------------- 2 files changed, 21 insertions(+), 24 deletions(-) create mode 100644 changelog.d/7460.misc diff --git a/changelog.d/7460.misc b/changelog.d/7460.misc new file mode 100644 index 0000000000..f71533fe17 --- /dev/null +++ b/changelog.d/7460.misc @@ -0,0 +1 @@ +Convert the search handler to async/await. diff --git a/synapse/handlers/search.py b/synapse/handlers/search.py index ec1542d416..4d40d3ac9c 100644 --- a/synapse/handlers/search.py +++ b/synapse/handlers/search.py @@ -18,8 +18,6 @@ import logging from unpaddedbase64 import decode_base64, encode_base64 -from twisted.internet import defer - from synapse.api.constants import EventTypes, Membership from synapse.api.errors import NotFoundError, SynapseError from synapse.api.filtering import Filter @@ -39,8 +37,7 @@ class SearchHandler(BaseHandler): self.state_store = self.storage.state self.auth = hs.get_auth() - @defer.inlineCallbacks - def get_old_rooms_from_upgraded_room(self, room_id): + async def get_old_rooms_from_upgraded_room(self, room_id): """Retrieves room IDs of old rooms in the history of an upgraded room. We do so by checking the m.room.create event of the room for a @@ -60,7 +57,7 @@ class SearchHandler(BaseHandler): historical_room_ids = [] # The initial room must have been known for us to get this far - predecessor = yield self.store.get_room_predecessor(room_id) + predecessor = await self.store.get_room_predecessor(room_id) while True: if not predecessor: @@ -75,7 +72,7 @@ class SearchHandler(BaseHandler): # Don't add it to the list until we have checked that we are in the room try: - next_predecessor_room = yield self.store.get_room_predecessor( + next_predecessor_room = await self.store.get_room_predecessor( predecessor_room_id ) except NotFoundError: @@ -89,8 +86,7 @@ class SearchHandler(BaseHandler): return historical_room_ids - @defer.inlineCallbacks - def search(self, user, content, batch=None): + async def search(self, user, content, batch=None): """Performs a full text search for a user. Args: @@ -179,7 +175,7 @@ class SearchHandler(BaseHandler): search_filter = Filter(filter_dict) # TODO: Search through left rooms too - rooms = yield self.store.get_rooms_for_local_user_where_membership_is( + rooms = await self.store.get_rooms_for_local_user_where_membership_is( user.to_string(), membership_list=[Membership.JOIN], # membership_list=[Membership.JOIN, Membership.LEAVE, Membership.Ban], @@ -192,7 +188,7 @@ class SearchHandler(BaseHandler): historical_room_ids = [] for room_id in search_filter.rooms: # Add any previous rooms to the search if they exist - ids = yield self.get_old_rooms_from_upgraded_room(room_id) + ids = await self.get_old_rooms_from_upgraded_room(room_id) historical_room_ids += ids # Prevent any historical events from being filtered @@ -223,7 +219,7 @@ class SearchHandler(BaseHandler): count = None if order_by == "rank": - search_result = yield self.store.search_msgs(room_ids, search_term, keys) + search_result = await self.store.search_msgs(room_ids, search_term, keys) count = search_result["count"] @@ -238,7 +234,7 @@ class SearchHandler(BaseHandler): filtered_events = search_filter.filter([r["event"] for r in results]) - events = yield filter_events_for_client( + events = await filter_events_for_client( self.storage, user.to_string(), filtered_events ) @@ -267,7 +263,7 @@ class SearchHandler(BaseHandler): # But only go around 5 times since otherwise synapse will be sad. while len(room_events) < search_filter.limit() and i < 5: i += 1 - search_result = yield self.store.search_rooms( + search_result = await self.store.search_rooms( room_ids, search_term, keys, @@ -288,7 +284,7 @@ class SearchHandler(BaseHandler): filtered_events = search_filter.filter([r["event"] for r in results]) - events = yield filter_events_for_client( + events = await filter_events_for_client( self.storage, user.to_string(), filtered_events ) @@ -343,11 +339,11 @@ class SearchHandler(BaseHandler): # If client has asked for "context" for each event (i.e. some surrounding # events and state), fetch that if event_context is not None: - now_token = yield self.hs.get_event_sources().get_current_token() + now_token = await self.hs.get_event_sources().get_current_token() contexts = {} for event in allowed_events: - res = yield self.store.get_events_around( + res = await self.store.get_events_around( event.room_id, event.event_id, before_limit, after_limit ) @@ -357,11 +353,11 @@ class SearchHandler(BaseHandler): len(res["events_after"]), ) - res["events_before"] = yield filter_events_for_client( + res["events_before"] = await filter_events_for_client( self.storage, user.to_string(), res["events_before"] ) - res["events_after"] = yield filter_events_for_client( + res["events_after"] = await filter_events_for_client( self.storage, user.to_string(), res["events_after"] ) @@ -390,7 +386,7 @@ class SearchHandler(BaseHandler): [(EventTypes.Member, sender) for sender in senders] ) - state = yield self.state_store.get_state_for_event( + state = await self.state_store.get_state_for_event( last_event_id, state_filter ) @@ -412,10 +408,10 @@ class SearchHandler(BaseHandler): time_now = self.clock.time_msec() for context in contexts.values(): - context["events_before"] = yield self._event_serializer.serialize_events( + context["events_before"] = await self._event_serializer.serialize_events( context["events_before"], time_now ) - context["events_after"] = yield self._event_serializer.serialize_events( + context["events_after"] = await self._event_serializer.serialize_events( context["events_after"], time_now ) @@ -423,7 +419,7 @@ class SearchHandler(BaseHandler): if include_state: rooms = {e.room_id for e in allowed_events} for room_id in rooms: - state = yield self.state_handler.get_current_state(room_id) + state = await self.state_handler.get_current_state(room_id) state_results[room_id] = list(state.values()) state_results.values() @@ -437,7 +433,7 @@ class SearchHandler(BaseHandler): { "rank": rank_map[e.event_id], "result": ( - yield self._event_serializer.serialize_event(e, time_now) + await self._event_serializer.serialize_event(e, time_now) ), "context": contexts.get(e.event_id, {}), } @@ -452,7 +448,7 @@ class SearchHandler(BaseHandler): if state_results: s = {} for room_id, state in state_results.items(): - s[room_id] = yield self._event_serializer.serialize_events( + s[room_id] = await self._event_serializer.serialize_events( state, time_now )