From bdfde6dca11a9468372b3c9b327ad3327cbdbe4a Mon Sep 17 00:00:00 2001 From: Jonathan de Jong Date: Thu, 15 Jul 2021 18:46:54 +0200 Subject: [PATCH] Use inline type hints in `http/federation/`, `storage/` and `util/` (#10381) --- changelog.d/10381.misc | 1 + .../http/federation/well_known_resolver.py | 13 +++---- synapse/storage/background_updates.py | 14 +++---- synapse/storage/database.py | 14 +++---- synapse/storage/databases/main/appservice.py | 4 +- .../storage/databases/main/end_to_end_keys.py | 2 +- .../databases/main/event_federation.py | 26 ++++++------- .../databases/main/event_push_actions.py | 2 +- synapse/storage/databases/main/events.py | 38 +++++++++---------- .../databases/main/events_bg_updates.py | 8 ++-- .../storage/databases/main/events_worker.py | 6 +-- .../storage/databases/main/purge_events.py | 2 +- synapse/storage/databases/main/push_rule.py | 6 +-- .../storage/databases/main/registration.py | 2 +- synapse/storage/databases/main/stream.py | 6 +-- synapse/storage/databases/main/tags.py | 2 +- synapse/storage/databases/main/ui_auth.py | 4 +- synapse/storage/persist_events.py | 16 ++++---- synapse/storage/prepare_database.py | 6 +-- synapse/storage/state.py | 4 +- synapse/storage/util/id_generators.py | 12 +++--- synapse/storage/util/sequence.py | 6 +-- synapse/util/async_helpers.py | 8 ++-- synapse/util/batching_queue.py | 8 ++-- synapse/util/caches/__init__.py | 4 +- synapse/util/caches/cached_call.py | 6 +-- synapse/util/caches/deferred_cache.py | 12 +++--- synapse/util/caches/descriptors.py | 36 +++++++++--------- synapse/util/caches/dictionary_cache.py | 6 +-- synapse/util/caches/expiringcache.py | 4 +- synapse/util/caches/lrucache.py | 8 ++-- synapse/util/caches/response_cache.py | 2 +- synapse/util/caches/stream_change_cache.py | 6 +-- synapse/util/caches/ttlcache.py | 6 +-- synapse/util/iterutils.py | 2 +- synapse/util/macaroons.py | 2 +- synapse/util/metrics.py | 2 +- synapse/util/patch_inline_callbacks.py | 4 +- 38 files changed, 149 insertions(+), 161 deletions(-) create mode 100644 changelog.d/10381.misc diff --git a/changelog.d/10381.misc b/changelog.d/10381.misc new file mode 100644 index 0000000000..eed2d8552a --- /dev/null +++ b/changelog.d/10381.misc @@ -0,0 +1 @@ +Convert internal type variable syntax to reflect wider ecosystem use. \ No newline at end of file diff --git a/synapse/http/federation/well_known_resolver.py b/synapse/http/federation/well_known_resolver.py index 20d39a4ea6..43f2140429 100644 --- a/synapse/http/federation/well_known_resolver.py +++ b/synapse/http/federation/well_known_resolver.py @@ -70,10 +70,8 @@ WELL_KNOWN_RETRY_ATTEMPTS = 3 logger = logging.getLogger(__name__) -_well_known_cache = TTLCache("well-known") # type: TTLCache[bytes, Optional[bytes]] -_had_valid_well_known_cache = TTLCache( - "had-valid-well-known" -) # type: TTLCache[bytes, bool] +_well_known_cache: TTLCache[bytes, Optional[bytes]] = TTLCache("well-known") +_had_valid_well_known_cache: TTLCache[bytes, bool] = TTLCache("had-valid-well-known") @attr.s(slots=True, frozen=True) @@ -130,9 +128,10 @@ class WellKnownResolver: # requests for the same server in parallel? try: with Measure(self._clock, "get_well_known"): - result, cache_period = await self._fetch_well_known( - server_name - ) # type: Optional[bytes], float + result: Optional[bytes] + cache_period: float + + result, cache_period = await self._fetch_well_known(server_name) except _FetchWellKnownFailure as e: if prev_result and e.temporary: diff --git a/synapse/storage/background_updates.py b/synapse/storage/background_updates.py index 142787fdfd..82b31d24f1 100644 --- a/synapse/storage/background_updates.py +++ b/synapse/storage/background_updates.py @@ -92,14 +92,12 @@ class BackgroundUpdater: self.db_pool = database # if a background update is currently running, its name. - self._current_background_update = None # type: Optional[str] + self._current_background_update: Optional[str] = None - self._background_update_performance = ( - {} - ) # type: Dict[str, BackgroundUpdatePerformance] - self._background_update_handlers = ( - {} - ) # type: Dict[str, Callable[[JsonDict, int], Awaitable[int]]] + self._background_update_performance: Dict[str, BackgroundUpdatePerformance] = {} + self._background_update_handlers: Dict[ + str, Callable[[JsonDict, int], Awaitable[int]] + ] = {} self._all_done = False def start_doing_background_updates(self) -> None: @@ -411,7 +409,7 @@ class BackgroundUpdater: c.execute(sql) if isinstance(self.db_pool.engine, engines.PostgresEngine): - runner = create_index_psql # type: Optional[Callable[[Connection], None]] + runner: Optional[Callable[[Connection], None]] = create_index_psql elif psql_only: runner = None else: diff --git a/synapse/storage/database.py b/synapse/storage/database.py index 33c42cf95a..f80d822c12 100644 --- a/synapse/storage/database.py +++ b/synapse/storage/database.py @@ -670,8 +670,8 @@ class DatabasePool: Returns: The result of func """ - after_callbacks = [] # type: List[_CallbackListEntry] - exception_callbacks = [] # type: List[_CallbackListEntry] + after_callbacks: List[_CallbackListEntry] = [] + exception_callbacks: List[_CallbackListEntry] = [] if not current_context(): logger.warning("Starting db txn '%s' from sentinel context", desc) @@ -1090,7 +1090,7 @@ class DatabasePool: return False # We didn't find any existing rows, so insert a new one - allvalues = {} # type: Dict[str, Any] + allvalues: Dict[str, Any] = {} allvalues.update(keyvalues) allvalues.update(values) allvalues.update(insertion_values) @@ -1121,7 +1121,7 @@ class DatabasePool: values: The nonunique columns and their new values insertion_values: additional key/values to use only when inserting """ - allvalues = {} # type: Dict[str, Any] + allvalues: Dict[str, Any] = {} allvalues.update(keyvalues) allvalues.update(insertion_values or {}) @@ -1257,7 +1257,7 @@ class DatabasePool: value_values: A list of each row's value column values. Ignored if value_names is empty. """ - allnames = [] # type: List[str] + allnames: List[str] = [] allnames.extend(key_names) allnames.extend(value_names) @@ -1566,7 +1566,7 @@ class DatabasePool: """ keyvalues = keyvalues or {} - results = [] # type: List[Dict[str, Any]] + results: List[Dict[str, Any]] = [] if not iterable: return results @@ -1978,7 +1978,7 @@ class DatabasePool: raise ValueError("order_direction must be one of 'ASC' or 'DESC'.") where_clause = "WHERE " if filters or keyvalues or exclude_keyvalues else "" - arg_list = [] # type: List[Any] + arg_list: List[Any] = [] if filters: where_clause += " AND ".join("%s LIKE ?" % (k,) for k in filters) arg_list += list(filters.values()) diff --git a/synapse/storage/databases/main/appservice.py b/synapse/storage/databases/main/appservice.py index 9f182c2a89..e2d1b758bd 100644 --- a/synapse/storage/databases/main/appservice.py +++ b/synapse/storage/databases/main/appservice.py @@ -48,9 +48,7 @@ def _make_exclusive_regex( ] if exclusive_user_regexes: exclusive_user_regex = "|".join("(" + r + ")" for r in exclusive_user_regexes) - exclusive_user_pattern = re.compile( - exclusive_user_regex - ) # type: Optional[Pattern] + exclusive_user_pattern: Optional[Pattern] = re.compile(exclusive_user_regex) else: # We handle this case specially otherwise the constructed regex # will always match diff --git a/synapse/storage/databases/main/end_to_end_keys.py b/synapse/storage/databases/main/end_to_end_keys.py index 0e3dd4e9ca..78ae68ec68 100644 --- a/synapse/storage/databases/main/end_to_end_keys.py +++ b/synapse/storage/databases/main/end_to_end_keys.py @@ -247,7 +247,7 @@ class EndToEndKeyWorkerStore(EndToEndKeyBackgroundStore): txn.execute(sql, query_params) - result = {} # type: Dict[str, Dict[str, Optional[DeviceKeyLookupResult]]] + result: Dict[str, Dict[str, Optional[DeviceKeyLookupResult]]] = {} for (user_id, device_id, display_name, key_json) in txn: if include_deleted_devices: deleted_devices.remove((user_id, device_id)) diff --git a/synapse/storage/databases/main/event_federation.py b/synapse/storage/databases/main/event_federation.py index 4e06938849..d39368c20e 100644 --- a/synapse/storage/databases/main/event_federation.py +++ b/synapse/storage/databases/main/event_federation.py @@ -62,9 +62,9 @@ class EventFederationWorkerStore(EventsWorkerStore, SignatureWorkerStore, SQLBas ) # Cache of event ID to list of auth event IDs and their depths. - self._event_auth_cache = LruCache( + self._event_auth_cache: LruCache[str, List[Tuple[str, int]]] = LruCache( 500000, "_event_auth_cache", size_callback=len - ) # type: LruCache[str, List[Tuple[str, int]]] + ) self._clock.looping_call(self._get_stats_for_federation_staging, 30 * 1000) @@ -137,10 +137,10 @@ class EventFederationWorkerStore(EventsWorkerStore, SignatureWorkerStore, SQLBas initial_events = set(event_ids) # All the events that we've found that are reachable from the events. - seen_events = set() # type: Set[str] + seen_events: Set[str] = set() # A map from chain ID to max sequence number of the given events. - event_chains = {} # type: Dict[int, int] + event_chains: Dict[int, int] = {} sql = """ SELECT event_id, chain_id, sequence_number @@ -182,7 +182,7 @@ class EventFederationWorkerStore(EventsWorkerStore, SignatureWorkerStore, SQLBas """ # A map from chain ID to max sequence number *reachable* from any event ID. - chains = {} # type: Dict[int, int] + chains: Dict[int, int] = {} # Add all linked chains reachable from initial set of chains. for batch in batch_iter(event_chains, 1000): @@ -353,14 +353,14 @@ class EventFederationWorkerStore(EventsWorkerStore, SignatureWorkerStore, SQLBas initial_events = set(state_sets[0]).union(*state_sets[1:]) # Map from event_id -> (chain ID, seq no) - chain_info = {} # type: Dict[str, Tuple[int, int]] + chain_info: Dict[str, Tuple[int, int]] = {} # Map from chain ID -> seq no -> event Id - chain_to_event = {} # type: Dict[int, Dict[int, str]] + chain_to_event: Dict[int, Dict[int, str]] = {} # All the chains that we've found that are reachable from the state # sets. - seen_chains = set() # type: Set[int] + seen_chains: Set[int] = set() sql = """ SELECT event_id, chain_id, sequence_number @@ -392,9 +392,9 @@ class EventFederationWorkerStore(EventsWorkerStore, SignatureWorkerStore, SQLBas # Corresponds to `state_sets`, except as a map from chain ID to max # sequence number reachable from the state set. - set_to_chain = [] # type: List[Dict[int, int]] + set_to_chain: List[Dict[int, int]] = [] for state_set in state_sets: - chains = {} # type: Dict[int, int] + chains: Dict[int, int] = {} set_to_chain.append(chains) for event_id in state_set: @@ -446,7 +446,7 @@ class EventFederationWorkerStore(EventsWorkerStore, SignatureWorkerStore, SQLBas # Mapping from chain ID to the range of sequence numbers that should be # pulled from the database. - chain_to_gap = {} # type: Dict[int, Tuple[int, int]] + chain_to_gap: Dict[int, Tuple[int, int]] = {} for chain_id in seen_chains: min_seq_no = min(chains.get(chain_id, 0) for chains in set_to_chain) @@ -555,7 +555,7 @@ class EventFederationWorkerStore(EventsWorkerStore, SignatureWorkerStore, SQLBas } # The sorted list of events whose auth chains we should walk. - search = [] # type: List[Tuple[int, str]] + search: List[Tuple[int, str]] = [] # We need to get the depth of the initial events for sorting purposes. sql = """ @@ -578,7 +578,7 @@ class EventFederationWorkerStore(EventsWorkerStore, SignatureWorkerStore, SQLBas search.sort() # Map from event to its auth events - event_to_auth_events = {} # type: Dict[str, Set[str]] + event_to_auth_events: Dict[str, Set[str]] = {} base_sql = """ SELECT a.event_id, auth_id, depth diff --git a/synapse/storage/databases/main/event_push_actions.py b/synapse/storage/databases/main/event_push_actions.py index d1237c65cc..55caa6bbe7 100644 --- a/synapse/storage/databases/main/event_push_actions.py +++ b/synapse/storage/databases/main/event_push_actions.py @@ -759,7 +759,7 @@ class EventPushActionsWorkerStore(SQLBaseStore): # object because we might not have the same amount of rows in each of them. To do # this, we use a dict indexed on the user ID and room ID to make it easier to # populate. - summaries = {} # type: Dict[Tuple[str, str], _EventPushSummary] + summaries: Dict[Tuple[str, str], _EventPushSummary] = {} for row in txn: summaries[(row[0], row[1])] = _EventPushSummary( unread_count=row[2], diff --git a/synapse/storage/databases/main/events.py b/synapse/storage/databases/main/events.py index 08c580b0dc..ec8579b9ad 100644 --- a/synapse/storage/databases/main/events.py +++ b/synapse/storage/databases/main/events.py @@ -109,10 +109,8 @@ class PersistEventsStore: # Ideally we'd move these ID gens here, unfortunately some other ID # generators are chained off them so doing so is a bit of a PITA. - self._backfill_id_gen = ( - self.store._backfill_id_gen - ) # type: MultiWriterIdGenerator - self._stream_id_gen = self.store._stream_id_gen # type: MultiWriterIdGenerator + self._backfill_id_gen: MultiWriterIdGenerator = self.store._backfill_id_gen + self._stream_id_gen: MultiWriterIdGenerator = self.store._stream_id_gen # This should only exist on instances that are configured to write assert ( @@ -221,7 +219,7 @@ class PersistEventsStore: Returns: Filtered event ids """ - results = [] # type: List[str] + results: List[str] = [] def _get_events_which_are_prevs_txn(txn, batch): sql = """ @@ -508,7 +506,7 @@ class PersistEventsStore: """ # Map from event ID to chain ID/sequence number. - chain_map = {} # type: Dict[str, Tuple[int, int]] + chain_map: Dict[str, Tuple[int, int]] = {} # Set of event IDs to calculate chain ID/seq numbers for. events_to_calc_chain_id_for = set(event_to_room_id) @@ -817,8 +815,8 @@ class PersistEventsStore: # new chain if the sequence number has already been allocated. # - existing_chains = set() # type: Set[int] - tree = [] # type: List[Tuple[str, Optional[str]]] + existing_chains: Set[int] = set() + tree: List[Tuple[str, Optional[str]]] = [] # We need to do this in a topologically sorted order as we want to # generate chain IDs/sequence numbers of an event's auth events before @@ -848,7 +846,7 @@ class PersistEventsStore: ) txn.execute(sql % (clause,), args) - chain_to_max_seq_no = {row[0]: row[1] for row in txn} # type: Dict[Any, int] + chain_to_max_seq_no: Dict[Any, int] = {row[0]: row[1] for row in txn} # Allocate the new events chain ID/sequence numbers. # @@ -858,8 +856,8 @@ class PersistEventsStore: # number of new chain IDs in one call, replacing all temporary # objects with real allocated chain IDs. - unallocated_chain_ids = set() # type: Set[object] - new_chain_tuples = {} # type: Dict[str, Tuple[Any, int]] + unallocated_chain_ids: Set[object] = set() + new_chain_tuples: Dict[str, Tuple[Any, int]] = {} for event_id, auth_event_id in tree: # If we reference an auth_event_id we fetch the allocated chain ID, # either from the existing `chain_map` or the newly generated @@ -870,7 +868,7 @@ class PersistEventsStore: if not existing_chain_id: existing_chain_id = chain_map[auth_event_id] - new_chain_tuple = None # type: Optional[Tuple[Any, int]] + new_chain_tuple: Optional[Tuple[Any, int]] = None if existing_chain_id: # We found a chain ID/sequence number candidate, check its # not already taken. @@ -897,9 +895,9 @@ class PersistEventsStore: ) # Map from potentially temporary chain ID to real chain ID - chain_id_to_allocated_map = dict( + chain_id_to_allocated_map: Dict[Any, int] = dict( zip(unallocated_chain_ids, newly_allocated_chain_ids) - ) # type: Dict[Any, int] + ) chain_id_to_allocated_map.update((c, c) for c in existing_chains) return { @@ -1175,9 +1173,9 @@ class PersistEventsStore: Returns: list[(EventBase, EventContext)]: filtered list """ - new_events_and_contexts = ( - OrderedDict() - ) # type: OrderedDict[str, Tuple[EventBase, EventContext]] + new_events_and_contexts: OrderedDict[ + str, Tuple[EventBase, EventContext] + ] = OrderedDict() for event, context in events_and_contexts: prev_event_context = new_events_and_contexts.get(event.event_id) if prev_event_context: @@ -1205,7 +1203,7 @@ class PersistEventsStore: we are persisting backfilled (bool): True if the events were backfilled """ - depth_updates = {} # type: Dict[str, int] + depth_updates: Dict[str, int] = {} for event, context in events_and_contexts: # Remove the any existing cache entries for the event_ids txn.call_after(self.store._invalidate_get_event_cache, event.event_id) @@ -1885,7 +1883,7 @@ class PersistEventsStore: ), ) - room_to_event_ids = {} # type: Dict[str, List[str]] + room_to_event_ids: Dict[str, List[str]] = {} for e, _ in events_and_contexts: room_to_event_ids.setdefault(e.room_id, []).append(e.event_id) @@ -2012,7 +2010,7 @@ class PersistEventsStore: Forward extremities are handled when we first start persisting the events. """ - events_by_room = {} # type: Dict[str, List[EventBase]] + events_by_room: Dict[str, List[EventBase]] = {} for ev in events: events_by_room.setdefault(ev.room_id, []).append(ev) diff --git a/synapse/storage/databases/main/events_bg_updates.py b/synapse/storage/databases/main/events_bg_updates.py index 29f33bac55..6fcb2b8353 100644 --- a/synapse/storage/databases/main/events_bg_updates.py +++ b/synapse/storage/databases/main/events_bg_updates.py @@ -960,9 +960,9 @@ class EventsBackgroundUpdatesStore(SQLBaseStore): event_to_types = {row[0]: (row[1], row[2]) for row in rows} # Calculate the new last position we've processed up to. - new_last_depth = rows[-1][3] if rows else last_depth # type: int - new_last_stream = rows[-1][4] if rows else last_stream # type: int - new_last_room_id = rows[-1][5] if rows else "" # type: str + new_last_depth: int = rows[-1][3] if rows else last_depth + new_last_stream: int = rows[-1][4] if rows else last_stream + new_last_room_id: str = rows[-1][5] if rows else "" # Map from room_id to last depth/stream_ordering processed for the room, # excluding the last room (which we're likely still processing). We also @@ -989,7 +989,7 @@ class EventsBackgroundUpdatesStore(SQLBaseStore): retcols=("event_id", "auth_id"), ) - event_to_auth_chain = {} # type: Dict[str, List[str]] + event_to_auth_chain: Dict[str, List[str]] = {} for row in auth_events: event_to_auth_chain.setdefault(row["event_id"], []).append(row["auth_id"]) diff --git a/synapse/storage/databases/main/events_worker.py b/synapse/storage/databases/main/events_worker.py index 403a5ddaba..3c86adab56 100644 --- a/synapse/storage/databases/main/events_worker.py +++ b/synapse/storage/databases/main/events_worker.py @@ -1365,10 +1365,10 @@ class EventsWorkerStore(SQLBaseStore): # we need to make sure that, for every stream id in the results, we get *all* # the rows with that stream id. - rows = await self.db_pool.runInteraction( + rows: List[Tuple] = await self.db_pool.runInteraction( "get_all_updated_current_state_deltas", get_all_updated_current_state_deltas_txn, - ) # type: List[Tuple] + ) # if we've got fewer rows than the limit, we're good if len(rows) < target_row_count: @@ -1469,7 +1469,7 @@ class EventsWorkerStore(SQLBaseStore): """ mapping = {} - txn_id_to_event = {} # type: Dict[Tuple[str, int, str], str] + txn_id_to_event: Dict[Tuple[str, int, str], str] = {} for event in events: token_id = getattr(event.internal_metadata, "token_id", None) diff --git a/synapse/storage/databases/main/purge_events.py b/synapse/storage/databases/main/purge_events.py index eb4841830d..664c65dac5 100644 --- a/synapse/storage/databases/main/purge_events.py +++ b/synapse/storage/databases/main/purge_events.py @@ -115,7 +115,7 @@ class PurgeEventsStore(StateGroupWorkerStore, CacheInvalidationWorkerStore): logger.info("[purge] looking for events to delete") should_delete_expr = "state_key IS NULL" - should_delete_params = () # type: Tuple[Any, ...] + should_delete_params: Tuple[Any, ...] = () if not delete_local_events: should_delete_expr += " AND event_id NOT LIKE ?" diff --git a/synapse/storage/databases/main/push_rule.py b/synapse/storage/databases/main/push_rule.py index db52176337..a7fb8cd848 100644 --- a/synapse/storage/databases/main/push_rule.py +++ b/synapse/storage/databases/main/push_rule.py @@ -79,9 +79,9 @@ class PushRulesWorkerStore( super().__init__(database, db_conn, hs) if hs.config.worker.worker_app is None: - self._push_rules_stream_id_gen = StreamIdGenerator( - db_conn, "push_rules_stream", "stream_id" - ) # type: Union[StreamIdGenerator, SlavedIdTracker] + self._push_rules_stream_id_gen: Union[ + StreamIdGenerator, SlavedIdTracker + ] = StreamIdGenerator(db_conn, "push_rules_stream", "stream_id") else: self._push_rules_stream_id_gen = SlavedIdTracker( db_conn, "push_rules_stream", "stream_id" diff --git a/synapse/storage/databases/main/registration.py b/synapse/storage/databases/main/registration.py index e31c5864ac..6ad1a0cf7f 100644 --- a/synapse/storage/databases/main/registration.py +++ b/synapse/storage/databases/main/registration.py @@ -1744,7 +1744,7 @@ class RegistrationStore(StatsStore, RegistrationBackgroundUpdateStore): items = keyvalues.items() where_clause = " AND ".join(k + " = ?" for k, _ in items) - values = [v for _, v in items] # type: List[Union[str, int]] + values: List[Union[str, int]] = [v for _, v in items] # Conveniently, refresh_tokens and access_tokens both use the user_id and device_id fields. Only caveat # is the `except_token_id` param that is tricky to get right, so for now we're just using the same where # clause and values before we handle that. This seems to be only used in the "set password" handler. diff --git a/synapse/storage/databases/main/stream.py b/synapse/storage/databases/main/stream.py index 7581c7d3ff..959f13de47 100644 --- a/synapse/storage/databases/main/stream.py +++ b/synapse/storage/databases/main/stream.py @@ -1085,9 +1085,7 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore, metaclass=abc.ABCMeta): # stream token (as returned by `RoomStreamToken.get_max_stream_pos`) and # then filtering the results. if from_token.topological is not None: - from_bound = ( - from_token.as_historical_tuple() - ) # type: Tuple[Optional[int], int] + from_bound: Tuple[Optional[int], int] = from_token.as_historical_tuple() elif direction == "b": from_bound = ( None, @@ -1099,7 +1097,7 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore, metaclass=abc.ABCMeta): from_token.stream, ) - to_bound = None # type: Optional[Tuple[Optional[int], int]] + to_bound: Optional[Tuple[Optional[int], int]] = None if to_token: if to_token.topological is not None: to_bound = to_token.as_historical_tuple() diff --git a/synapse/storage/databases/main/tags.py b/synapse/storage/databases/main/tags.py index 1d62c6140f..f93ff0a545 100644 --- a/synapse/storage/databases/main/tags.py +++ b/synapse/storage/databases/main/tags.py @@ -42,7 +42,7 @@ class TagsWorkerStore(AccountDataWorkerStore): "room_tags", {"user_id": user_id}, ["room_id", "tag", "content"] ) - tags_by_room = {} # type: Dict[str, Dict[str, JsonDict]] + tags_by_room: Dict[str, Dict[str, JsonDict]] = {} for row in rows: room_tags = tags_by_room.setdefault(row["room_id"], {}) room_tags[row["tag"]] = db_to_json(row["content"]) diff --git a/synapse/storage/databases/main/ui_auth.py b/synapse/storage/databases/main/ui_auth.py index 22c05cdde7..38bfdf5dad 100644 --- a/synapse/storage/databases/main/ui_auth.py +++ b/synapse/storage/databases/main/ui_auth.py @@ -224,12 +224,12 @@ class UIAuthWorkerStore(SQLBaseStore): self, txn: LoggingTransaction, session_id: str, key: str, value: Any ): # Get the current value. - result = self.db_pool.simple_select_one_txn( + result: Dict[str, Any] = self.db_pool.simple_select_one_txn( # type: ignore txn, table="ui_auth_sessions", keyvalues={"session_id": session_id}, retcols=("serverdict",), - ) # type: Dict[str, Any] # type: ignore + ) # Update it and add it back to the database. serverdict = db_to_json(result["serverdict"]) diff --git a/synapse/storage/persist_events.py b/synapse/storage/persist_events.py index 051095fea9..a39877f0d5 100644 --- a/synapse/storage/persist_events.py +++ b/synapse/storage/persist_events.py @@ -307,7 +307,7 @@ class EventsPersistenceStorage: matched the transcation ID; the existing event is returned in such a case. """ - partitioned = {} # type: Dict[str, List[Tuple[EventBase, EventContext]]] + partitioned: Dict[str, List[Tuple[EventBase, EventContext]]] = {} for event, ctx in events_and_contexts: partitioned.setdefault(event.room_id, []).append((event, ctx)) @@ -384,7 +384,7 @@ class EventsPersistenceStorage: A dictionary of event ID to event ID we didn't persist as we already had another event persisted with the same TXN ID. """ - replaced_events = {} # type: Dict[str, str] + replaced_events: Dict[str, str] = {} if not events_and_contexts: return replaced_events @@ -440,16 +440,14 @@ class EventsPersistenceStorage: # Set of remote users which were in rooms the server has left. We # should check if we still share any rooms and if not we mark their # device lists as stale. - potentially_left_users = set() # type: Set[str] + potentially_left_users: Set[str] = set() if not backfilled: with Measure(self._clock, "_calculate_state_and_extrem"): # Work out the new "current state" for each room. # We do this by working out what the new extremities are and then # calculating the state from that. - events_by_room = ( - {} - ) # type: Dict[str, List[Tuple[EventBase, EventContext]]] + events_by_room: Dict[str, List[Tuple[EventBase, EventContext]]] = {} for event, context in chunk: events_by_room.setdefault(event.room_id, []).append( (event, context) @@ -622,9 +620,9 @@ class EventsPersistenceStorage: ) # Remove any events which are prev_events of any existing events. - existing_prevs = await self.persist_events_store._get_events_which_are_prevs( - result - ) # type: Collection[str] + existing_prevs: Collection[ + str + ] = await self.persist_events_store._get_events_which_are_prevs(result) result.difference_update(existing_prevs) # Finally handle the case where the new events have soft-failed prev diff --git a/synapse/storage/prepare_database.py b/synapse/storage/prepare_database.py index 683e5e3b90..82a7686df0 100644 --- a/synapse/storage/prepare_database.py +++ b/synapse/storage/prepare_database.py @@ -256,7 +256,7 @@ def _setup_new_database( for database in databases ) - directory_entries = [] # type: List[_DirectoryListing] + directory_entries: List[_DirectoryListing] = [] for directory in directories: directory_entries.extend( _DirectoryListing(file_name, os.path.join(directory, file_name)) @@ -424,10 +424,10 @@ def _upgrade_existing_database( directories.append(os.path.join(schema_path, database, "delta", str(v))) # Used to check if we have any duplicate file names - file_name_counter = Counter() # type: CounterType[str] + file_name_counter: CounterType[str] = Counter() # Now find which directories have anything of interest. - directory_entries = [] # type: List[_DirectoryListing] + directory_entries: List[_DirectoryListing] = [] for directory in directories: logger.debug("Looking for schema deltas in %s", directory) try: diff --git a/synapse/storage/state.py b/synapse/storage/state.py index c9dce726cb..f8fbba9d38 100644 --- a/synapse/storage/state.py +++ b/synapse/storage/state.py @@ -91,7 +91,7 @@ class StateFilter: Returns: The new state filter. """ - type_dict = {} # type: Dict[str, Optional[Set[str]]] + type_dict: Dict[str, Optional[Set[str]]] = {} for typ, s in types: if typ in type_dict: if type_dict[typ] is None: @@ -194,7 +194,7 @@ class StateFilter: """ where_clause = "" - where_args = [] # type: List[str] + where_args: List[str] = [] if self.is_full(): return where_clause, where_args diff --git a/synapse/storage/util/id_generators.py b/synapse/storage/util/id_generators.py index f1e62f9e85..c768fdea56 100644 --- a/synapse/storage/util/id_generators.py +++ b/synapse/storage/util/id_generators.py @@ -112,7 +112,7 @@ class StreamIdGenerator: # insertion ordering will ensure its in the correct ordering. # # The key and values are the same, but we never look at the values. - self._unfinished_ids = OrderedDict() # type: OrderedDict[int, int] + self._unfinished_ids: OrderedDict[int, int] = OrderedDict() def get_next(self): """ @@ -236,15 +236,15 @@ class MultiWriterIdGenerator: # Note: If we are a negative stream then we still store all the IDs as # positive to make life easier for us, and simply negate the IDs when we # return them. - self._current_positions = {} # type: Dict[str, int] + self._current_positions: Dict[str, int] = {} # Set of local IDs that we're still processing. The current position # should be less than the minimum of this set (if not empty). - self._unfinished_ids = set() # type: Set[int] + self._unfinished_ids: Set[int] = set() # Set of local IDs that we've processed that are larger than the current # position, due to there being smaller unpersisted IDs. - self._finished_ids = set() # type: Set[int] + self._finished_ids: Set[int] = set() # We track the max position where we know everything before has been # persisted. This is done by a) looking at the min across all instances @@ -265,7 +265,7 @@ class MultiWriterIdGenerator: self._persisted_upto_position = ( min(self._current_positions.values()) if self._current_positions else 1 ) - self._known_persisted_positions = [] # type: List[int] + self._known_persisted_positions: List[int] = [] self._sequence_gen = PostgresSequenceGenerator(sequence_name) @@ -465,7 +465,7 @@ class MultiWriterIdGenerator: self._unfinished_ids.discard(next_id) self._finished_ids.add(next_id) - new_cur = None # type: Optional[int] + new_cur: Optional[int] = None if self._unfinished_ids: # If there are unfinished IDs then the new position will be the diff --git a/synapse/storage/util/sequence.py b/synapse/storage/util/sequence.py index 30b6b8e0ca..bb33e04fb1 100644 --- a/synapse/storage/util/sequence.py +++ b/synapse/storage/util/sequence.py @@ -208,10 +208,10 @@ class LocalSequenceGenerator(SequenceGenerator): get_next_id_txn; should return the curreent maximum id """ # the callback. this is cleared after it is called, so that it can be GCed. - self._callback = get_first_callback # type: Optional[GetFirstCallbackType] + self._callback: Optional[GetFirstCallbackType] = get_first_callback # The current max value, or None if we haven't looked in the DB yet. - self._current_max_id = None # type: Optional[int] + self._current_max_id: Optional[int] = None self._lock = threading.Lock() def get_next_id_txn(self, txn: Cursor) -> int: @@ -274,7 +274,7 @@ def build_sequence_generator( `check_consistency` details. """ if isinstance(database_engine, PostgresEngine): - seq = PostgresSequenceGenerator(sequence_name) # type: SequenceGenerator + seq: SequenceGenerator = PostgresSequenceGenerator(sequence_name) else: seq = LocalSequenceGenerator(get_first_callback) diff --git a/synapse/util/async_helpers.py b/synapse/util/async_helpers.py index 061102c3c8..014db1355b 100644 --- a/synapse/util/async_helpers.py +++ b/synapse/util/async_helpers.py @@ -257,7 +257,7 @@ class Linearizer: max_count: The maximum number of concurrent accesses """ if name is None: - self.name = id(self) # type: Union[str, int] + self.name: Union[str, int] = id(self) else: self.name = name @@ -269,7 +269,7 @@ class Linearizer: self.max_count = max_count # key_to_defer is a map from the key to a _LinearizerEntry. - self.key_to_defer = {} # type: Dict[Hashable, _LinearizerEntry] + self.key_to_defer: Dict[Hashable, _LinearizerEntry] = {} def is_queued(self, key: Hashable) -> bool: """Checks whether there is a process queued up waiting""" @@ -409,10 +409,10 @@ class ReadWriteLock: def __init__(self): # Latest readers queued - self.key_to_current_readers = {} # type: Dict[str, Set[defer.Deferred]] + self.key_to_current_readers: Dict[str, Set[defer.Deferred]] = {} # Latest writer queued - self.key_to_current_writer = {} # type: Dict[str, defer.Deferred] + self.key_to_current_writer: Dict[str, defer.Deferred] = {} async def read(self, key: str) -> ContextManager: new_defer = defer.Deferred() diff --git a/synapse/util/batching_queue.py b/synapse/util/batching_queue.py index 8fd5bfb69b..274cea7eb7 100644 --- a/synapse/util/batching_queue.py +++ b/synapse/util/batching_queue.py @@ -93,11 +93,11 @@ class BatchingQueue(Generic[V, R]): self._clock = clock # The set of keys currently being processed. - self._processing_keys = set() # type: Set[Hashable] + self._processing_keys: Set[Hashable] = set() # The currently pending batch of values by key, with a Deferred to call # with the result of the corresponding `_process_batch_callback` call. - self._next_values = {} # type: Dict[Hashable, List[Tuple[V, defer.Deferred]]] + self._next_values: Dict[Hashable, List[Tuple[V, defer.Deferred]]] = {} # The function to call with batches of values. self._process_batch_callback = process_batch_callback @@ -108,9 +108,7 @@ class BatchingQueue(Generic[V, R]): number_of_keys.labels(self._name).set_function(lambda: len(self._next_values)) - self._number_in_flight_metric = number_in_flight.labels( - self._name - ) # type: Gauge + self._number_in_flight_metric: Gauge = number_in_flight.labels(self._name) async def add_to_queue(self, value: V, key: Hashable = ()) -> R: """Adds the value to the queue with the given key, returning the result diff --git a/synapse/util/caches/__init__.py b/synapse/util/caches/__init__.py index ca36f07c20..9012034b7a 100644 --- a/synapse/util/caches/__init__.py +++ b/synapse/util/caches/__init__.py @@ -29,8 +29,8 @@ logger = logging.getLogger(__name__) TRACK_MEMORY_USAGE = False -caches_by_name = {} # type: Dict[str, Sized] -collectors_by_name = {} # type: Dict[str, CacheMetric] +caches_by_name: Dict[str, Sized] = {} +collectors_by_name: Dict[str, "CacheMetric"] = {} cache_size = Gauge("synapse_util_caches_cache:size", "", ["name"]) cache_hits = Gauge("synapse_util_caches_cache:hits", "", ["name"]) diff --git a/synapse/util/caches/cached_call.py b/synapse/util/caches/cached_call.py index a301c9e89b..891bee0b33 100644 --- a/synapse/util/caches/cached_call.py +++ b/synapse/util/caches/cached_call.py @@ -63,9 +63,9 @@ class CachedCall(Generic[TV]): f: The underlying function. Only one call to this function will be alive at once (per instance of CachedCall) """ - self._callable = f # type: Optional[Callable[[], Awaitable[TV]]] - self._deferred = None # type: Optional[Deferred] - self._result = None # type: Union[None, Failure, TV] + self._callable: Optional[Callable[[], Awaitable[TV]]] = f + self._deferred: Optional[Deferred] = None + self._result: Union[None, Failure, TV] = None async def get(self) -> TV: """Kick off the call if necessary, and return the result""" diff --git a/synapse/util/caches/deferred_cache.py b/synapse/util/caches/deferred_cache.py index 1044139119..8c6fafc677 100644 --- a/synapse/util/caches/deferred_cache.py +++ b/synapse/util/caches/deferred_cache.py @@ -80,25 +80,25 @@ class DeferredCache(Generic[KT, VT]): cache_type = TreeCache if tree else dict # _pending_deferred_cache maps from the key value to a `CacheEntry` object. - self._pending_deferred_cache = ( - cache_type() - ) # type: Union[TreeCache, MutableMapping[KT, CacheEntry]] + self._pending_deferred_cache: Union[ + TreeCache, "MutableMapping[KT, CacheEntry]" + ] = cache_type() def metrics_cb(): cache_pending_metric.labels(name).set(len(self._pending_deferred_cache)) # cache is used for completed results and maps to the result itself, rather than # a Deferred. - self.cache = LruCache( + self.cache: LruCache[KT, VT] = LruCache( max_size=max_entries, cache_name=name, cache_type=cache_type, size_callback=(lambda d: len(d) or 1) if iterable else None, metrics_collection_callback=metrics_cb, apply_cache_factor_from_config=apply_cache_factor_from_config, - ) # type: LruCache[KT, VT] + ) - self.thread = None # type: Optional[threading.Thread] + self.thread: Optional[threading.Thread] = None @property def max_entries(self): diff --git a/synapse/util/caches/descriptors.py b/synapse/util/caches/descriptors.py index d77e8edeea..1e8e6b1d01 100644 --- a/synapse/util/caches/descriptors.py +++ b/synapse/util/caches/descriptors.py @@ -46,17 +46,17 @@ F = TypeVar("F", bound=Callable[..., Any]) class _CachedFunction(Generic[F]): - invalidate = None # type: Any - invalidate_all = None # type: Any - prefill = None # type: Any - cache = None # type: Any - num_args = None # type: Any + invalidate: Any = None + invalidate_all: Any = None + prefill: Any = None + cache: Any = None + num_args: Any = None - __name__ = None # type: str + __name__: str # Note: This function signature is actually fiddled with by the synapse mypy # plugin to a) make it a bound method, and b) remove any `cache_context` arg. - __call__ = None # type: F + __call__: F class _CacheDescriptorBase: @@ -115,8 +115,8 @@ class _CacheDescriptorBase: class _LruCachedFunction(Generic[F]): - cache = None # type: LruCache[CacheKey, Any] - __call__ = None # type: F + cache: LruCache[CacheKey, Any] + __call__: F def lru_cache( @@ -180,10 +180,10 @@ class LruCacheDescriptor(_CacheDescriptorBase): self.max_entries = max_entries def __get__(self, obj, owner): - cache = LruCache( + cache: LruCache[CacheKey, Any] = LruCache( cache_name=self.orig.__name__, max_size=self.max_entries, - ) # type: LruCache[CacheKey, Any] + ) get_cache_key = self.cache_key_builder sentinel = LruCacheDescriptor._Sentinel.sentinel @@ -271,12 +271,12 @@ class DeferredCacheDescriptor(_CacheDescriptorBase): self.iterable = iterable def __get__(self, obj, owner): - cache = DeferredCache( + cache: DeferredCache[CacheKey, Any] = DeferredCache( name=self.orig.__name__, max_entries=self.max_entries, tree=self.tree, iterable=self.iterable, - ) # type: DeferredCache[CacheKey, Any] + ) get_cache_key = self.cache_key_builder @@ -359,7 +359,7 @@ class DeferredCacheListDescriptor(_CacheDescriptorBase): def __get__(self, obj, objtype=None): cached_method = getattr(obj, self.cached_method_name) - cache = cached_method.cache # type: DeferredCache[CacheKey, Any] + cache: DeferredCache[CacheKey, Any] = cached_method.cache num_args = cached_method.num_args @functools.wraps(self.orig) @@ -472,15 +472,15 @@ class _CacheContext: Cache = Union[DeferredCache, LruCache] - _cache_context_objects = ( - WeakValueDictionary() - ) # type: WeakValueDictionary[Tuple[_CacheContext.Cache, CacheKey], _CacheContext] + _cache_context_objects: """WeakValueDictionary[ + Tuple["_CacheContext.Cache", CacheKey], "_CacheContext" + ]""" = WeakValueDictionary() def __init__(self, cache: "_CacheContext.Cache", cache_key: CacheKey) -> None: self._cache = cache self._cache_key = cache_key - def invalidate(self): # type: () -> None + def invalidate(self) -> None: """Invalidates the cache entry referred to by the context.""" self._cache.invalidate(self._cache_key) diff --git a/synapse/util/caches/dictionary_cache.py b/synapse/util/caches/dictionary_cache.py index 56d94d96ce..3f852edd7f 100644 --- a/synapse/util/caches/dictionary_cache.py +++ b/synapse/util/caches/dictionary_cache.py @@ -62,13 +62,13 @@ class DictionaryCache(Generic[KT, DKT]): """ def __init__(self, name: str, max_entries: int = 1000): - self.cache = LruCache( + self.cache: LruCache[KT, DictionaryEntry] = LruCache( max_size=max_entries, cache_name=name, size_callback=len - ) # type: LruCache[KT, DictionaryEntry] + ) self.name = name self.sequence = 0 - self.thread = None # type: Optional[threading.Thread] + self.thread: Optional[threading.Thread] = None def check_thread(self) -> None: expected_thread = self.thread diff --git a/synapse/util/caches/expiringcache.py b/synapse/util/caches/expiringcache.py index ac47a31cd7..bde16b8577 100644 --- a/synapse/util/caches/expiringcache.py +++ b/synapse/util/caches/expiringcache.py @@ -27,7 +27,7 @@ from synapse.util.caches import register_cache logger = logging.getLogger(__name__) -SENTINEL = object() # type: Any +SENTINEL: Any = object() T = TypeVar("T") @@ -71,7 +71,7 @@ class ExpiringCache(Generic[KT, VT]): self._expiry_ms = expiry_ms self._reset_expiry_on_get = reset_expiry_on_get - self._cache = OrderedDict() # type: OrderedDict[KT, _CacheEntry] + self._cache: OrderedDict[KT, _CacheEntry] = OrderedDict() self.iterable = iterable diff --git a/synapse/util/caches/lrucache.py b/synapse/util/caches/lrucache.py index 4b9d0433ff..efeba0cb96 100644 --- a/synapse/util/caches/lrucache.py +++ b/synapse/util/caches/lrucache.py @@ -226,7 +226,7 @@ class _Node: # footprint down. Storing `None` is free as its a singleton, while empty # lists are 56 bytes (and empty sets are 216 bytes, if we did the naive # thing and used sets). - self.callbacks = None # type: Optional[List[Callable[[], None]]] + self.callbacks: Optional[List[Callable[[], None]]] = None self.add_callbacks(callbacks) @@ -362,15 +362,15 @@ class LruCache(Generic[KT, VT]): # register_cache might call our "set_cache_factor" callback; there's nothing to # do yet when we get resized. - self._on_resize = None # type: Optional[Callable[[],None]] + self._on_resize: Optional[Callable[[], None]] = None if cache_name is not None: - metrics = register_cache( + metrics: Optional[CacheMetric] = register_cache( "lru_cache", cache_name, self, collect_callback=metrics_collection_callback, - ) # type: Optional[CacheMetric] + ) else: metrics = None diff --git a/synapse/util/caches/response_cache.py b/synapse/util/caches/response_cache.py index 34c662c4db..ed7204336f 100644 --- a/synapse/util/caches/response_cache.py +++ b/synapse/util/caches/response_cache.py @@ -66,7 +66,7 @@ class ResponseCache(Generic[KV]): # This is poorly-named: it includes both complete and incomplete results. # We keep complete results rather than switching to absolute values because # that makes it easier to cache Failure results. - self.pending_result_cache = {} # type: Dict[KV, ObservableDeferred] + self.pending_result_cache: Dict[KV, ObservableDeferred] = {} self.clock = clock self.timeout_sec = timeout_ms / 1000.0 diff --git a/synapse/util/caches/stream_change_cache.py b/synapse/util/caches/stream_change_cache.py index e81e468899..3a41a8baa6 100644 --- a/synapse/util/caches/stream_change_cache.py +++ b/synapse/util/caches/stream_change_cache.py @@ -45,10 +45,10 @@ class StreamChangeCache: ): self._original_max_size = max_size self._max_size = math.floor(max_size) - self._entity_to_key = {} # type: Dict[EntityType, int] + self._entity_to_key: Dict[EntityType, int] = {} # map from stream id to the a set of entities which changed at that stream id. - self._cache = SortedDict() # type: SortedDict[int, Set[EntityType]] + self._cache: SortedDict[int, Set[EntityType]] = SortedDict() # the earliest stream_pos for which we can reliably answer # get_all_entities_changed. In other words, one less than the earliest @@ -155,7 +155,7 @@ class StreamChangeCache: if stream_pos < self._earliest_known_stream_pos: return None - changed_entities = [] # type: List[EntityType] + changed_entities: List[EntityType] = [] for k in self._cache.islice(start=self._cache.bisect_right(stream_pos)): changed_entities.extend(self._cache[k]) diff --git a/synapse/util/caches/ttlcache.py b/synapse/util/caches/ttlcache.py index c276107d56..46afe3f934 100644 --- a/synapse/util/caches/ttlcache.py +++ b/synapse/util/caches/ttlcache.py @@ -23,7 +23,7 @@ from synapse.util.caches import register_cache logger = logging.getLogger(__name__) -SENTINEL = object() # type: Any +SENTINEL: Any = object() T = TypeVar("T") KT = TypeVar("KT") @@ -35,10 +35,10 @@ class TTLCache(Generic[KT, VT]): def __init__(self, cache_name: str, timer: Callable[[], float] = time.time): # map from key to _CacheEntry - self._data = {} # type: Dict[KT, _CacheEntry] + self._data: Dict[KT, _CacheEntry] = {} # the _CacheEntries, sorted by expiry time - self._expiry_list = SortedList() # type: SortedList[_CacheEntry] + self._expiry_list: SortedList[_CacheEntry] = SortedList() self._timer = timer diff --git a/synapse/util/iterutils.py b/synapse/util/iterutils.py index 886afa9d19..8ac3eab2f5 100644 --- a/synapse/util/iterutils.py +++ b/synapse/util/iterutils.py @@ -68,7 +68,7 @@ def sorted_topologically( # This is implemented by Kahn's algorithm. degree_map = {node: 0 for node in nodes} - reverse_graph = {} # type: Dict[T, Set[T]] + reverse_graph: Dict[T, Set[T]] = {} for node, edges in graph.items(): if node not in degree_map: diff --git a/synapse/util/macaroons.py b/synapse/util/macaroons.py index f6ebfd7e7d..d1f76e3dc5 100644 --- a/synapse/util/macaroons.py +++ b/synapse/util/macaroons.py @@ -39,7 +39,7 @@ def get_value_from_macaroon(macaroon: pymacaroons.Macaroon, key: str) -> str: caveat in the macaroon, or if the caveat was not found in the macaroon. """ prefix = key + " = " - result = None # type: Optional[str] + result: Optional[str] = None for caveat in macaroon.caveats: if not caveat.caveat_id.startswith(prefix): continue diff --git a/synapse/util/metrics.py b/synapse/util/metrics.py index 45353d41c5..1b82dca81b 100644 --- a/synapse/util/metrics.py +++ b/synapse/util/metrics.py @@ -124,7 +124,7 @@ class Measure: assert isinstance(curr_context, LoggingContext) parent_context = curr_context self._logging_context = LoggingContext(str(curr_context), parent_context) - self.start = None # type: Optional[int] + self.start: Optional[int] = None def __enter__(self) -> "Measure": if self.start is not None: diff --git a/synapse/util/patch_inline_callbacks.py b/synapse/util/patch_inline_callbacks.py index eed0291cae..99f01e325c 100644 --- a/synapse/util/patch_inline_callbacks.py +++ b/synapse/util/patch_inline_callbacks.py @@ -41,7 +41,7 @@ def do_patch(): @functools.wraps(f) def wrapped(*args, **kwargs): start_context = current_context() - changes = [] # type: List[str] + changes: List[str] = [] orig = orig_inline_callbacks(_check_yield_points(f, changes)) try: @@ -131,7 +131,7 @@ def _check_yield_points(f: Callable, changes: List[str]): gen = f(*args, **kwargs) last_yield_line_no = gen.gi_frame.f_lineno - result = None # type: Any + result: Any = None while True: expected_context = current_context()