From fe58672546ce6e43e3cb4f9924efee51c905d801 Mon Sep 17 00:00:00 2001 From: David Robertson Date: Fri, 12 Nov 2021 20:24:12 +0000 Subject: Annotations for state_deltas.py (#11316) I was sad that I couldn't do better for `_curr_state_delta_stream_cache`. At least it's explicitly called out in a comment with #TODO. --- synapse/storage/databases/main/state_deltas.py | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) (limited to 'synapse/storage/databases/main') diff --git a/synapse/storage/databases/main/state_deltas.py b/synapse/storage/databases/main/state_deltas.py index a89747d741..7f3624b128 100644 --- a/synapse/storage/databases/main/state_deltas.py +++ b/synapse/storage/databases/main/state_deltas.py @@ -16,11 +16,17 @@ import logging from typing import Any, Dict, List, Tuple from synapse.storage._base import SQLBaseStore +from synapse.storage.database import LoggingTransaction +from synapse.util.caches.stream_change_cache import StreamChangeCache logger = logging.getLogger(__name__) class StateDeltasStore(SQLBaseStore): + # This class must be mixed in with a child class which provides the following + # attribute. TODO: can we get static analysis to enforce this? + _curr_state_delta_stream_cache: StreamChangeCache + async def get_current_state_deltas( self, prev_stream_id: int, max_stream_id: int ) -> Tuple[int, List[Dict[str, Any]]]: @@ -60,7 +66,9 @@ class StateDeltasStore(SQLBaseStore): # max_stream_id. return max_stream_id, [] - def get_current_state_deltas_txn(txn): + def get_current_state_deltas_txn( + txn: LoggingTransaction, + ) -> Tuple[int, List[Dict[str, Any]]]: # First we calculate the max stream id that will give us less than # N results. # We arbitrarily limit to 100 stream_id entries to ensure we don't @@ -106,7 +114,9 @@ class StateDeltasStore(SQLBaseStore): "get_current_state_deltas", get_current_state_deltas_txn ) - def _get_max_stream_id_in_current_state_deltas_txn(self, txn): + def _get_max_stream_id_in_current_state_deltas_txn( + self, txn: LoggingTransaction + ) -> int: return self.db_pool.simple_select_one_onecol_txn( txn, table="current_state_delta_stream", @@ -114,7 +124,7 @@ class StateDeltasStore(SQLBaseStore): retcol="COALESCE(MAX(stream_id), -1)", ) - async def get_max_stream_id_in_current_state_deltas(self): + async def get_max_stream_id_in_current_state_deltas(self) -> int: return await self.db_pool.runInteraction( "get_max_stream_id_in_current_state_deltas", self._get_max_stream_id_in_current_state_deltas_txn, -- cgit 1.4.1