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Add some missing type hints to cache datastore. (#12216)

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Patrick Cloke 2022-03-16 10:37:04 -04:00 committed by GitHub
parent 86965605a4
commit c486fa5fd9
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2 changed files with 37 additions and 21 deletions

1
changelog.d/12216.misc Normal file
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@ -0,0 +1 @@
Add missing type hints for cache storage.

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@ -23,6 +23,7 @@ from synapse.replication.tcp.streams.events import (
EventsStream,
EventsStreamCurrentStateRow,
EventsStreamEventRow,
EventsStreamRow,
)
from synapse.storage._base import SQLBaseStore
from synapse.storage.database import (
@ -31,6 +32,7 @@ from synapse.storage.database import (
LoggingTransaction,
)
from synapse.storage.engines import PostgresEngine
from synapse.util.caches.descriptors import _CachedFunction
from synapse.util.iterutils import batch_iter
if TYPE_CHECKING:
@ -82,7 +84,9 @@ class CacheInvalidationWorkerStore(SQLBaseStore):
if last_id == current_id:
return [], current_id, False
def get_all_updated_caches_txn(txn):
def get_all_updated_caches_txn(
txn: LoggingTransaction,
) -> Tuple[List[Tuple[int, tuple]], int, bool]:
# We purposefully don't bound by the current token, as we want to
# send across cache invalidations as quickly as possible. Cache
# invalidations are idempotent, so duplicates are fine.
@ -107,7 +111,9 @@ class CacheInvalidationWorkerStore(SQLBaseStore):
"get_all_updated_caches", get_all_updated_caches_txn
)
def process_replication_rows(self, stream_name, instance_name, token, rows):
def process_replication_rows(
self, stream_name: str, instance_name: str, token: int, rows: Iterable[Any]
) -> None:
if stream_name == EventsStream.NAME:
for row in rows:
self._process_event_stream_row(token, row)
@ -142,10 +148,11 @@ class CacheInvalidationWorkerStore(SQLBaseStore):
super().process_replication_rows(stream_name, instance_name, token, rows)
def _process_event_stream_row(self, token, row):
def _process_event_stream_row(self, token: int, row: EventsStreamRow) -> None:
data = row.data
if row.type == EventsStreamEventRow.TypeId:
assert isinstance(data, EventsStreamEventRow)
self._invalidate_caches_for_event(
token,
data.event_id,
@ -157,9 +164,8 @@ class CacheInvalidationWorkerStore(SQLBaseStore):
backfilled=False,
)
elif row.type == EventsStreamCurrentStateRow.TypeId:
self._curr_state_delta_stream_cache.entity_has_changed(
row.data.room_id, token
)
assert isinstance(data, EventsStreamCurrentStateRow)
self._curr_state_delta_stream_cache.entity_has_changed(data.room_id, token)
if data.type == EventTypes.Member:
self.get_rooms_for_user_with_stream_ordering.invalidate(
@ -170,15 +176,15 @@ class CacheInvalidationWorkerStore(SQLBaseStore):
def _invalidate_caches_for_event(
self,
stream_ordering,
event_id,
room_id,
etype,
state_key,
redacts,
relates_to,
backfilled,
):
stream_ordering: int,
event_id: str,
room_id: str,
etype: str,
state_key: Optional[str],
redacts: Optional[str],
relates_to: Optional[str],
backfilled: bool,
) -> None:
self._invalidate_get_event_cache(event_id)
self.have_seen_event.invalidate((room_id, event_id))
@ -207,7 +213,9 @@ class CacheInvalidationWorkerStore(SQLBaseStore):
self.get_thread_summary.invalidate((relates_to,))
self.get_thread_participated.invalidate((relates_to,))
async def invalidate_cache_and_stream(self, cache_name: str, keys: Tuple[Any, ...]):
async def invalidate_cache_and_stream(
self, cache_name: str, keys: Tuple[Any, ...]
) -> None:
"""Invalidates the cache and adds it to the cache stream so slaves
will know to invalidate their caches.
@ -227,7 +235,12 @@ class CacheInvalidationWorkerStore(SQLBaseStore):
keys,
)
def _invalidate_cache_and_stream(self, txn, cache_func, keys):
def _invalidate_cache_and_stream(
self,
txn: LoggingTransaction,
cache_func: _CachedFunction,
keys: Tuple[Any, ...],
) -> None:
"""Invalidates the cache and adds it to the cache stream so slaves
will know to invalidate their caches.
@ -238,7 +251,9 @@ class CacheInvalidationWorkerStore(SQLBaseStore):
txn.call_after(cache_func.invalidate, keys)
self._send_invalidation_to_replication(txn, cache_func.__name__, keys)
def _invalidate_all_cache_and_stream(self, txn, cache_func):
def _invalidate_all_cache_and_stream(
self, txn: LoggingTransaction, cache_func: _CachedFunction
) -> None:
"""Invalidates the entire cache and adds it to the cache stream so slaves
will know to invalidate their caches.
"""
@ -279,8 +294,8 @@ class CacheInvalidationWorkerStore(SQLBaseStore):
)
def _send_invalidation_to_replication(
self, txn, cache_name: str, keys: Optional[Iterable[Any]]
):
self, txn: LoggingTransaction, cache_name: str, keys: Optional[Iterable[Any]]
) -> None:
"""Notifies replication that given cache has been invalidated.
Note that this does *not* invalidate the cache locally.
@ -315,7 +330,7 @@ class CacheInvalidationWorkerStore(SQLBaseStore):
"instance_name": self._instance_name,
"cache_func": cache_name,
"keys": keys,
"invalidation_ts": self.clock.time_msec(),
"invalidation_ts": self._clock.time_msec(),
},
)