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-rw-r--r--synapse/handlers/pagination.py24
1 files changed, 8 insertions, 16 deletions
diff --git a/synapse/handlers/pagination.py b/synapse/handlers/pagination.py
index 7fbc229502..da06582d4b 100644
--- a/synapse/handlers/pagination.py
+++ b/synapse/handlers/pagination.py
@@ -15,7 +15,6 @@
 # limitations under the License.
 import logging
 
-from twisted.internet import defer
 from twisted.python.failure import Failure
 
 from synapse.api.constants import EventTypes, Membership
@@ -97,8 +96,7 @@ class PaginationHandler(object):
                     job["longest_max_lifetime"],
                 )
 
-    @defer.inlineCallbacks
-    def purge_history_for_rooms_in_range(self, min_ms, max_ms):
+    async def purge_history_for_rooms_in_range(self, min_ms, max_ms):
         """Purge outdated events from rooms within the given retention range.
 
         If a default retention policy is defined in the server's configuration and its
@@ -137,7 +135,7 @@ class PaginationHandler(object):
             include_null,
         )
 
-        rooms = yield self.store.get_rooms_for_retention_period_in_range(
+        rooms = await self.store.get_rooms_for_retention_period_in_range(
             min_ms, max_ms, include_null
         )
 
@@ -165,9 +163,9 @@ class PaginationHandler(object):
             # Figure out what token we should start purging at.
             ts = self.clock.time_msec() - max_lifetime
 
-            stream_ordering = yield self.store.find_first_stream_ordering_after_ts(ts)
+            stream_ordering = await self.store.find_first_stream_ordering_after_ts(ts)
 
-            r = yield self.store.get_room_event_before_stream_ordering(
+            r = await self.store.get_room_event_before_stream_ordering(
                 room_id, stream_ordering,
             )
             if not r:
@@ -227,8 +225,7 @@ class PaginationHandler(object):
         )
         return purge_id
 
-    @defer.inlineCallbacks
-    def _purge_history(self, purge_id, room_id, token, delete_local_events):
+    async def _purge_history(self, purge_id, room_id, token, delete_local_events):
         """Carry out a history purge on a room.
 
         Args:
@@ -237,14 +234,11 @@ class PaginationHandler(object):
             token (str): topological token to delete events before
             delete_local_events (bool): True to delete local events as well as
                 remote ones
-
-        Returns:
-            Deferred
         """
         self._purges_in_progress_by_room.add(room_id)
         try:
-            with (yield self.pagination_lock.write(room_id)):
-                yield self.storage.purge_events.purge_history(
+            with await self.pagination_lock.write(room_id):
+                await self.storage.purge_events.purge_history(
                     room_id, token, delete_local_events
                 )
             logger.info("[purge] complete")
@@ -282,9 +276,7 @@ class PaginationHandler(object):
             await self.store.get_room_version_id(room_id)
 
             # first check that we have no users in this room
-            joined = await defer.maybeDeferred(
-                self.store.is_host_joined, room_id, self._server_name
-            )
+            joined = await self.store.is_host_joined(room_id, self._server_name)
 
             if joined:
                 raise SynapseError(400, "Users are still joined to this room")