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