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-rw-r--r--synapse/app/generic_worker.py35
-rw-r--r--synapse/replication/tcp/streams/__init__.py70
2 files changed, 75 insertions, 30 deletions
diff --git a/synapse/app/generic_worker.py b/synapse/app/generic_worker.py
index cdc078cf11..136babe6ce 100644
--- a/synapse/app/generic_worker.py
+++ b/synapse/app/generic_worker.py
@@ -65,12 +65,23 @@ from synapse.replication.slave.storage.registration import SlavedRegistrationSto
 from synapse.replication.slave.storage.room import RoomStore
 from synapse.replication.slave.storage.transactions import SlavedTransactionStore
 from synapse.replication.tcp.client import ReplicationClientHandler
-from synapse.replication.tcp.streams._base import (
+from synapse.replication.tcp.streams import (
+    AccountDataStream,
     DeviceListsStream,
+    GroupServerStream,
+    PresenceStream,
+    PushersStream,
+    PushRulesStream,
     ReceiptsStream,
+    TagAccountDataStream,
     ToDeviceStream,
+    TypingStream,
+)
+from synapse.replication.tcp.streams.events import (
+    EventsStream,
+    EventsStreamEventRow,
+    EventsStreamRow,
 )
-from synapse.replication.tcp.streams.events import EventsStreamEventRow, EventsStreamRow
 from synapse.rest.admin import register_servlets_for_media_repo
 from synapse.rest.client.v1 import events
 from synapse.rest.client.v1.initial_sync import InitialSyncRestServlet
@@ -626,7 +637,7 @@ class GenericWorkerReplicationHandler(ReplicationClientHandler):
             if self.send_handler:
                 self.send_handler.process_replication_rows(stream_name, token, rows)
 
-            if stream_name == "events":
+            if stream_name == EventsStream.NAME:
                 # We shouldn't get multiple rows per token for events stream, so
                 # we don't need to optimise this for multiple rows.
                 for row in rows:
@@ -649,44 +660,44 @@ class GenericWorkerReplicationHandler(ReplicationClientHandler):
                     )
 
                 await self.pusher_pool.on_new_notifications(token, token)
-            elif stream_name == "push_rules":
+            elif stream_name == PushRulesStream.NAME:
                 self.notifier.on_new_event(
                     "push_rules_key", token, users=[row.user_id for row in rows]
                 )
-            elif stream_name in ("account_data", "tag_account_data"):
+            elif stream_name in (AccountDataStream.NAME, TagAccountDataStream.NAME):
                 self.notifier.on_new_event(
                     "account_data_key", token, users=[row.user_id for row in rows]
                 )
-            elif stream_name == "receipts":
+            elif stream_name == ReceiptsStream.NAME:
                 self.notifier.on_new_event(
                     "receipt_key", token, rooms=[row.room_id for row in rows]
                 )
                 await self.pusher_pool.on_new_receipts(
                     token, token, {row.room_id for row in rows}
                 )
-            elif stream_name == "typing":
+            elif stream_name == TypingStream.NAME:
                 self.typing_handler.process_replication_rows(token, rows)
                 self.notifier.on_new_event(
                     "typing_key", token, rooms=[row.room_id for row in rows]
                 )
-            elif stream_name == "to_device":
+            elif stream_name == ToDeviceStream.NAME:
                 entities = [row.entity for row in rows if row.entity.startswith("@")]
                 if entities:
                     self.notifier.on_new_event("to_device_key", token, users=entities)
-            elif stream_name == "device_lists":
+            elif stream_name == DeviceListsStream.NAME:
                 all_room_ids = set()
                 for row in rows:
                     if row.entity.startswith("@"):
                         room_ids = await self.store.get_rooms_for_user(row.entity)
                         all_room_ids.update(room_ids)
                 self.notifier.on_new_event("device_list_key", token, rooms=all_room_ids)
-            elif stream_name == "presence":
+            elif stream_name == PresenceStream.NAME:
                 await self.presence_handler.process_replication_rows(token, rows)
-            elif stream_name == "receipts":
+            elif stream_name == GroupServerStream.NAME:
                 self.notifier.on_new_event(
                     "groups_key", token, users=[row.user_id for row in rows]
                 )
-            elif stream_name == "pushers":
+            elif stream_name == PushersStream.NAME:
                 for row in rows:
                     if row.deleted:
                         self.stop_pusher(row.user_id, row.app_id, row.pushkey)
diff --git a/synapse/replication/tcp/streams/__init__.py b/synapse/replication/tcp/streams/__init__.py
index 5f52264e84..29199f5b46 100644
--- a/synapse/replication/tcp/streams/__init__.py
+++ b/synapse/replication/tcp/streams/__init__.py
@@ -24,27 +24,61 @@ Each stream is defined by the following information:
     current_token:      The function that returns the current token for the stream
     update_function:    The function that returns a list of updates between two tokens
 """
-
-from . import _base, events, federation
+from synapse.replication.tcp.streams._base import (
+    AccountDataStream,
+    BackfillStream,
+    CachesStream,
+    DeviceListsStream,
+    GroupServerStream,
+    PresenceStream,
+    PublicRoomsStream,
+    PushersStream,
+    PushRulesStream,
+    ReceiptsStream,
+    TagAccountDataStream,
+    ToDeviceStream,
+    TypingStream,
+    UserSignatureStream,
+)
+from synapse.replication.tcp.streams.events import EventsStream
+from synapse.replication.tcp.streams.federation import FederationStream
 
 STREAMS_MAP = {
     stream.NAME: stream
     for stream in (
-        events.EventsStream,
-        _base.BackfillStream,
-        _base.PresenceStream,
-        _base.TypingStream,
-        _base.ReceiptsStream,
-        _base.PushRulesStream,
-        _base.PushersStream,
-        _base.CachesStream,
-        _base.PublicRoomsStream,
-        _base.DeviceListsStream,
-        _base.ToDeviceStream,
-        federation.FederationStream,
-        _base.TagAccountDataStream,
-        _base.AccountDataStream,
-        _base.GroupServerStream,
-        _base.UserSignatureStream,
+        EventsStream,
+        BackfillStream,
+        PresenceStream,
+        TypingStream,
+        ReceiptsStream,
+        PushRulesStream,
+        PushersStream,
+        CachesStream,
+        PublicRoomsStream,
+        DeviceListsStream,
+        ToDeviceStream,
+        FederationStream,
+        TagAccountDataStream,
+        AccountDataStream,
+        GroupServerStream,
+        UserSignatureStream,
     )
 }
+
+__all__ = [
+    "STREAMS_MAP",
+    "BackfillStream",
+    "PresenceStream",
+    "TypingStream",
+    "ReceiptsStream",
+    "PushRulesStream",
+    "PushersStream",
+    "CachesStream",
+    "PublicRoomsStream",
+    "DeviceListsStream",
+    "ToDeviceStream",
+    "TagAccountDataStream",
+    "AccountDataStream",
+    "GroupServerStream",
+    "UserSignatureStream",
+]