diff options
| -rw-r--r-- | changelog.d/16469.misc | 1 | ||||
| -rw-r--r-- | synapse/handlers/presence.py | 32 | ||||
| -rw-r--r-- | synapse/handlers/room_member.py | 21 | ||||
| -rw-r--r-- | synapse/handlers/stats.py | 64 | ||||
| -rw-r--r-- | synapse/handlers/user_directory.py | 34 | ||||
| -rw-r--r-- | synapse/storage/controllers/state.py | 14 | ||||
| -rw-r--r-- | synapse/storage/databases/main/state_deltas.py | 52 | ||||
| -rw-r--r-- | tests/handlers/test_typing.py | 2 |
8 files changed, 111 insertions, 109 deletions
diff --git a/changelog.d/16469.misc b/changelog.d/16469.misc new file mode 100644 index 0000000000..93ceaeafc9 --- /dev/null +++ b/changelog.d/16469.misc @@ -0,0 +1 @@ +Improve type hints. diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py index 7c7cda3e95..dfc0b9db07 100644 --- a/synapse/handlers/presence.py +++ b/synapse/handlers/presence.py @@ -110,6 +110,7 @@ from synapse.replication.http.streams import ReplicationGetStreamUpdates from synapse.replication.tcp.commands import ClearUserSyncsCommand from synapse.replication.tcp.streams import PresenceFederationStream, PresenceStream from synapse.storage.databases.main import DataStore +from synapse.storage.databases.main.state_deltas import StateDelta from synapse.streams import EventSource from synapse.types import ( JsonDict, @@ -1499,9 +1500,9 @@ class PresenceHandler(BasePresenceHandler): # We may get multiple deltas for different rooms, but we want to # handle them on a room by room basis, so we batch them up by # room. - deltas_by_room: Dict[str, List[JsonDict]] = {} + deltas_by_room: Dict[str, List[StateDelta]] = {} for delta in deltas: - deltas_by_room.setdefault(delta["room_id"], []).append(delta) + deltas_by_room.setdefault(delta.room_id, []).append(delta) for room_id, deltas_for_room in deltas_by_room.items(): await self._handle_state_delta(room_id, deltas_for_room) @@ -1513,7 +1514,7 @@ class PresenceHandler(BasePresenceHandler): max_pos ) - async def _handle_state_delta(self, room_id: str, deltas: List[JsonDict]) -> None: + async def _handle_state_delta(self, room_id: str, deltas: List[StateDelta]) -> None: """Process current state deltas for the room to find new joins that need to be handled. """ @@ -1524,31 +1525,30 @@ class PresenceHandler(BasePresenceHandler): newly_joined_users = set() for delta in deltas: - assert room_id == delta["room_id"] + assert room_id == delta.room_id - typ = delta["type"] - state_key = delta["state_key"] - event_id = delta["event_id"] - prev_event_id = delta["prev_event_id"] - - logger.debug("Handling: %r %r, %s", typ, state_key, event_id) + logger.debug( + "Handling: %r %r, %s", delta.event_type, delta.state_key, delta.event_id + ) # Drop any event that isn't a membership join - if typ != EventTypes.Member: + if delta.event_type != EventTypes.Member: continue - if event_id is None: + if delta.event_id is None: # state has been deleted, so this is not a join. We only care about # joins. continue - event = await self.store.get_event(event_id, allow_none=True) + event = await self.store.get_event(delta.event_id, allow_none=True) if not event or event.content.get("membership") != Membership.JOIN: # We only care about joins continue - if prev_event_id: - prev_event = await self.store.get_event(prev_event_id, allow_none=True) + if delta.prev_event_id: + prev_event = await self.store.get_event( + delta.prev_event_id, allow_none=True + ) if ( prev_event and prev_event.content.get("membership") == Membership.JOIN @@ -1556,7 +1556,7 @@ class PresenceHandler(BasePresenceHandler): # Ignore changes to join events. continue - newly_joined_users.add(state_key) + newly_joined_users.add(delta.state_key) if not newly_joined_users: # If nobody has joined then there's nothing to do. diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py index 130eee7e1d..918eb203e2 100644 --- a/synapse/handlers/room_member.py +++ b/synapse/handlers/room_member.py @@ -16,7 +16,7 @@ import abc import logging import random from http import HTTPStatus -from typing import TYPE_CHECKING, Any, Dict, Iterable, List, Optional, Set, Tuple +from typing import TYPE_CHECKING, Iterable, List, Optional, Set, Tuple from synapse import types from synapse.api.constants import ( @@ -44,6 +44,7 @@ from synapse.handlers.worker_lock import NEW_EVENT_DURING_PURGE_LOCK_NAME from synapse.logging import opentracing from synapse.metrics import event_processing_positions from synapse.metrics.background_process_metrics import run_as_background_process +from synapse.storage.databases.main.state_deltas import StateDelta from synapse.types import ( JsonDict, Requester, @@ -2146,24 +2147,18 @@ class RoomForgetterHandler(StateDeltasHandler): await self._store.update_room_forgetter_stream_pos(max_pos) - async def _handle_deltas(self, deltas: List[Dict[str, Any]]) -> None: + async def _handle_deltas(self, deltas: List[StateDelta]) -> None: """Called with the state deltas to process""" for delta in deltas: - typ = delta["type"] - state_key = delta["state_key"] - room_id = delta["room_id"] - event_id = delta["event_id"] - prev_event_id = delta["prev_event_id"] - - if typ != EventTypes.Member: + if delta.event_type != EventTypes.Member: continue - if not self._hs.is_mine_id(state_key): + if not self._hs.is_mine_id(delta.state_key): continue change = await self._get_key_change( - prev_event_id, - event_id, + delta.prev_event_id, + delta.event_id, key_name="membership", public_value=Membership.JOIN, ) @@ -2172,7 +2167,7 @@ class RoomForgetterHandler(StateDeltasHandler): if is_leave: try: await self._room_member_handler.forget( - UserID.from_string(state_key), room_id + UserID.from_string(delta.state_key), delta.room_id ) except SynapseError as e: if e.code == 400: diff --git a/synapse/handlers/stats.py b/synapse/handlers/stats.py index 3dde19fc81..817b41aa37 100644 --- a/synapse/handlers/stats.py +++ b/synapse/handlers/stats.py @@ -27,6 +27,7 @@ from typing import ( from synapse.api.constants import EventContentFields, EventTypes, Membership from synapse.metrics import event_processing_positions from synapse.metrics.background_process_metrics import run_as_background_process +from synapse.storage.databases.main.state_deltas import StateDelta from synapse.types import JsonDict if TYPE_CHECKING: @@ -142,7 +143,7 @@ class StatsHandler: self.pos = max_pos async def _handle_deltas( - self, deltas: Iterable[JsonDict] + self, deltas: Iterable[StateDelta] ) -> Tuple[Dict[str, CounterType[str]], Dict[str, CounterType[str]]]: """Called with the state deltas to process @@ -157,51 +158,50 @@ class StatsHandler: room_to_state_updates: Dict[str, Dict[str, Any]] = {} for delta in deltas: - typ = delta["type"] - state_key = delta["state_key"] - room_id = delta["room_id"] - event_id = delta["event_id"] - stream_id = delta["stream_id"] - prev_event_id = delta["prev_event_id"] - - logger.debug("Handling: %r, %r %r, %s", room_id, typ, state_key, event_id) + logger.debug( + "Handling: %r, %r %r, %s", + delta.room_id, + delta.event_type, + delta.state_key, + delta.event_id, + ) - token = await self.store.get_earliest_token_for_stats("room", room_id) + token = await self.store.get_earliest_token_for_stats("room", delta.room_id) # If the earliest token to begin from is larger than our current # stream ID, skip processing this delta. - if token is not None and token >= stream_id: + if token is not None and token >= delta.stream_id: logger.debug( "Ignoring: %s as earlier than this room's initial ingestion event", - event_id, + delta.event_id, ) continue - if event_id is None and prev_event_id is None: + if delta.event_id is None and delta.prev_event_id is None: logger.error( "event ID is None and so is the previous event ID. stream_id: %s", - stream_id, + delta.stream_id, ) continue event_content: JsonDict = {} - if event_id is not None: - event = await self.store.get_event(event_id, allow_none=True) + if delta.event_id is not None: + event = await self.store.get_event(delta.event_id, allow_none=True) if event: event_content = event.content or {} # All the values in this dict are deltas (RELATIVE changes) - room_stats_delta = room_to_stats_deltas.setdefault(room_id, Counter()) + room_stats_delta = room_to_stats_deltas.setdefault(delta.room_id, Counter()) - room_state = room_to_state_updates.setdefault(room_id, {}) + room_state = room_to_state_updates.setdefault(delta.room_id, {}) - if prev_event_id is None: + if delta.prev_event_id is None: # this state event doesn't overwrite another, # so it is a new effective/current state event room_stats_delta["current_state_events"] += 1 - if typ == EventTypes.Member: + if delta.event_type == EventTypes.Member: # we could use StateDeltasHandler._get_key_change here but it's # a bit inefficient given we're not testing for a specific # result; might as well just grab the prev_membership and @@ -210,9 +210,9 @@ class StatsHandler: # in the absence of a previous event because we do not want to # reduce the leave count when a new-to-the-room user joins. prev_membership = None - if prev_event_id is not None: + if delta.prev_event_id is not None: prev_event = await self.store.get_event( - prev_event_id, allow_none=True + delta.prev_event_id, allow_none=True ) if prev_event: prev_event_content = prev_event.content @@ -256,7 +256,7 @@ class StatsHandler: else: raise ValueError("%r is not a valid membership" % (membership,)) - user_id = state_key + user_id = delta.state_key if self.is_mine_id(user_id): # this accounts for transitions like leave → ban and so on. has_changed_joinedness = (prev_membership == Membership.JOIN) != ( @@ -272,30 +272,30 @@ class StatsHandler: room_stats_delta["local_users_in_room"] += membership_delta - elif typ == EventTypes.Create: + elif delta.event_type == EventTypes.Create: room_state["is_federatable"] = ( event_content.get(EventContentFields.FEDERATE, True) is True ) room_type = event_content.get(EventContentFields.ROOM_TYPE) if isinstance(room_type, str): room_state["room_type"] = room_type - elif typ == EventTypes.JoinRules: + elif delta.event_type == EventTypes.JoinRules: room_state["join_rules"] = event_content.get("join_rule") - elif typ == EventTypes.RoomHistoryVisibility: + elif delta.event_type == EventTypes.RoomHistoryVisibility: room_state["history_visibility"] = event_content.get( "history_visibility" ) - elif typ == EventTypes.RoomEncryption: + elif delta.event_type == EventTypes.RoomEncryption: room_state["encryption"] = event_content.get("algorithm") - elif typ == EventTypes.Name: + elif delta.event_type == EventTypes.Name: room_state["name"] = event_content.get("name") - elif typ == EventTypes.Topic: + elif delta.event_type == EventTypes.Topic: room_state["topic"] = event_content.get("topic") - elif typ == EventTypes.RoomAvatar: + elif delta.event_type == EventTypes.RoomAvatar: room_state["avatar"] = event_content.get("url") - elif typ == EventTypes.CanonicalAlias: + elif delta.event_type == EventTypes.CanonicalAlias: room_state["canonical_alias"] = event_content.get("alias") - elif typ == EventTypes.GuestAccess: + elif delta.event_type == EventTypes.GuestAccess: room_state["guest_access"] = event_content.get( EventContentFields.GUEST_ACCESS ) diff --git a/synapse/handlers/user_directory.py b/synapse/handlers/user_directory.py index a0f5568000..75717ba4f9 100644 --- a/synapse/handlers/user_directory.py +++ b/synapse/handlers/user_directory.py @@ -14,7 +14,7 @@ import logging from http import HTTPStatus -from typing import TYPE_CHECKING, Any, Dict, List, Optional, Set, Tuple +from typing import TYPE_CHECKING, List, Optional, Set, Tuple from twisted.internet.interfaces import IDelayedCall @@ -23,6 +23,7 @@ from synapse.api.constants import EventTypes, HistoryVisibility, JoinRules, Memb from synapse.api.errors import Codes, SynapseError from synapse.handlers.state_deltas import MatchChange, StateDeltasHandler from synapse.metrics.background_process_metrics import run_as_background_process +from synapse.storage.databases.main.state_deltas import StateDelta from synapse.storage.databases.main.user_directory import SearchResult from synapse.storage.roommember import ProfileInfo from synapse.types import UserID @@ -247,32 +248,31 @@ class UserDirectoryHandler(StateDeltasHandler): await self.store.update_user_directory_stream_pos(max_pos) - async def _handle_deltas(self, deltas: List[Dict[str, Any]]) -> None: + async def _handle_deltas(self, deltas: List[StateDelta]) -> None: """Called with the state deltas to process""" for delta in deltas: - typ = delta["type"] - state_key = delta["state_key"] - room_id = delta["room_id"] - event_id: Optional[str] = delta["event_id"] - prev_event_id: Optional[str] = delta["prev_event_id"] - - logger.debug("Handling: %r %r, %s", typ, state_key, event_id) + logger.debug( + "Handling: %r %r, %s", delta.event_type, delta.state_key, delta.event_id + ) # For join rule and visibility changes we need to check if the room # may have become public or not and add/remove the users in said room - if typ in (EventTypes.RoomHistoryVisibility, EventTypes.JoinRules): + if delta.event_type in ( + EventTypes.RoomHistoryVisibility, + EventTypes.JoinRules, + ): await self._handle_room_publicity_change( - room_id, prev_event_id, event_id, typ + delta.room_id, delta.prev_event_id, delta.event_id, delta.event_type ) - elif typ == EventTypes.Member: + elif delta.event_type == EventTypes.Member: await self._handle_room_membership_event( - room_id, - prev_event_id, - event_id, - state_key, + delta.room_id, + delta.prev_event_id, + delta.event_id, + delta.state_key, ) else: - logger.debug("Ignoring irrelevant type: %r", typ) + logger.debug("Ignoring irrelevant type: %r", delta.event_type) async def _handle_room_publicity_change( self, diff --git a/synapse/storage/controllers/state.py b/synapse/storage/controllers/state.py index 46957723a1..9f7959c45d 100644 --- a/synapse/storage/controllers/state.py +++ b/synapse/storage/controllers/state.py @@ -16,7 +16,6 @@ from itertools import chain from typing import ( TYPE_CHECKING, AbstractSet, - Any, Callable, Collection, Dict, @@ -32,6 +31,7 @@ from typing import ( from synapse.api.constants import EventTypes, Membership from synapse.events import EventBase from synapse.logging.opentracing import tag_args, trace +from synapse.storage.databases.main.state_deltas import StateDelta from synapse.storage.roommember import ProfileInfo from synapse.storage.util.partial_state_events_tracker import ( PartialCurrentStateTracker, @@ -531,19 +531,9 @@ class StateStorageController: @tag_args async def get_current_state_deltas( self, prev_stream_id: int, max_stream_id: int - ) -> Tuple[int, List[Dict[str, Any]]]: + ) -> Tuple[int, List[StateDelta]]: """Fetch a list of room state changes since the given stream id - Each entry in the result contains the following fields: - - stream_id (int) - - room_id (str) - - type (str): event type - - state_key (str): - - event_id (str|None): new event_id for this state key. None if the - state has been deleted. - - prev_event_id (str|None): previous event_id for this state key. None - if it's new state. - Args: prev_stream_id: point to get changes since (exclusive) max_stream_id: the point that we know has been correctly persisted diff --git a/synapse/storage/databases/main/state_deltas.py b/synapse/storage/databases/main/state_deltas.py index 445213e12a..3151186e0c 100644 --- a/synapse/storage/databases/main/state_deltas.py +++ b/synapse/storage/databases/main/state_deltas.py @@ -13,7 +13,9 @@ # limitations under the License. import logging -from typing import Any, Dict, List, Tuple +from typing import List, Optional, Tuple + +import attr from synapse.storage._base import SQLBaseStore from synapse.storage.database import LoggingTransaction @@ -22,6 +24,20 @@ from synapse.util.caches.stream_change_cache import StreamChangeCache logger = logging.getLogger(__name__) +@attr.s(slots=True, frozen=True, auto_attribs=True) +class StateDelta: + stream_id: int + room_id: str + event_type: str + state_key: str + + event_id: Optional[str] + """new event_id for this state key. None if the state has been deleted.""" + + prev_event_id: Optional[str] + """previous event_id for this state key. None if it's new state.""" + + 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? @@ -29,31 +45,21 @@ class StateDeltasStore(SQLBaseStore): async def get_partial_current_state_deltas( self, prev_stream_id: int, max_stream_id: int - ) -> Tuple[int, List[Dict[str, Any]]]: + ) -> Tuple[int, List[StateDelta]]: """Fetch a list of room state changes since the given stream id - Each entry in the result contains the following fields: - - stream_id (int) - - room_id (str) - - type (str): event type - - state_key (str): - - event_id (str|None): new event_id for this state key. None if the - state has been deleted. - - prev_event_id (str|None): previous event_id for this state key. None - if it's new state. - This may be the partial state if we're lazy joining the room. Args: prev_stream_id: point to get changes since (exclusive) max_stream_id: the point that we know has been correctly persisted - - ie, an upper limit to return changes from. + - ie, an upper limit to return changes from. Returns: A tuple consisting of: - - the stream id which these results go up to - - list of current_state_delta_stream rows. If it is empty, we are - up to date. + - the stream id which these results go up to + - list of current_state_delta_stream rows. If it is empty, we are + up to date. """ prev_stream_id = int(prev_stream_id) @@ -72,7 +78,7 @@ class StateDeltasStore(SQLBaseStore): def get_current_state_deltas_txn( txn: LoggingTransaction, - ) -> Tuple[int, List[Dict[str, Any]]]: + ) -> Tuple[int, List[StateDelta]]: # 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 @@ -112,7 +118,17 @@ class StateDeltasStore(SQLBaseStore): ORDER BY stream_id ASC """ txn.execute(sql, (prev_stream_id, clipped_stream_id)) - return clipped_stream_id, self.db_pool.cursor_to_dict(txn) + return clipped_stream_id, [ + StateDelta( + stream_id=row[0], + room_id=row[1], + event_type=row[2], + state_key=row[3], + event_id=row[4], + prev_event_id=row[5], + ) + for row in txn.fetchall() + ] return await self.db_pool.runInteraction( "get_current_state_deltas", get_current_state_deltas_txn diff --git a/tests/handlers/test_typing.py b/tests/handlers/test_typing.py index 3060bc9744..d7025c6f2c 100644 --- a/tests/handlers/test_typing.py +++ b/tests/handlers/test_typing.py @@ -174,7 +174,7 @@ class TypingNotificationsTestCase(unittest.HomeserverTestCase): return_value=1 ) - self.datastore.get_partial_current_state_deltas = Mock(return_value=(0, None)) # type: ignore[method-assign] + self.datastore.get_partial_current_state_deltas = Mock(return_value=(0, [])) # type: ignore[method-assign] self.datastore.get_to_device_stream_token = Mock( # type: ignore[method-assign] return_value=0 |