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Add type hints to some storage classes (#11307)

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Patrick Cloke 2021-11-11 08:47:31 -05:00 committed by GitHub
parent 6ce19b94e8
commit 64ef25391d
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9 changed files with 116 additions and 54 deletions
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1
changelog.d/11307.misc Normal file
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@ -0,0 +1 @@
Add type hints to storage classes.

7
mypy.ini
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@ -27,8 +27,6 @@ exclude = (?x)
|synapse/storage/databases/main/__init__.py
|synapse/storage/databases/main/account_data.py
|synapse/storage/databases/main/cache.py
|synapse/storage/databases/main/censor_events.py
|synapse/storage/databases/main/deviceinbox.py
|synapse/storage/databases/main/devices.py
|synapse/storage/databases/main/directory.py
|synapse/storage/databases/main/e2e_room_keys.py
@ -38,19 +36,15 @@ exclude = (?x)
|synapse/storage/databases/main/events_bg_updates.py
|synapse/storage/databases/main/events_forward_extremities.py
|synapse/storage/databases/main/events_worker.py
|synapse/storage/databases/main/filtering.py
|synapse/storage/databases/main/group_server.py
|synapse/storage/databases/main/lock.py
|synapse/storage/databases/main/media_repository.py
|synapse/storage/databases/main/metrics.py
|synapse/storage/databases/main/monthly_active_users.py
|synapse/storage/databases/main/openid.py
|synapse/storage/databases/main/presence.py
|synapse/storage/databases/main/profile.py
|synapse/storage/databases/main/purge_events.py
|synapse/storage/databases/main/push_rule.py
|synapse/storage/databases/main/receipts.py
|synapse/storage/databases/main/rejections.py
|synapse/storage/databases/main/room.py
|synapse/storage/databases/main/room_batch.py
|synapse/storage/databases/main/roommember.py
@ -59,7 +53,6 @@ exclude = (?x)
|synapse/storage/databases/main/state.py
|synapse/storage/databases/main/state_deltas.py
|synapse/storage/databases/main/stats.py
|synapse/storage/databases/main/tags.py
|synapse/storage/databases/main/transactions.py
|synapse/storage/databases/main/user_directory.py
|synapse/storage/databases/main/user_erasure_store.py

30
synapse/storage/databases/main/censor_events.py
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@ -13,12 +13,12 @@
# limitations under the License.
import logging
from typing import TYPE_CHECKING
from typing import TYPE_CHECKING, Optional
from synapse.events.utils import prune_event_dict
from synapse.metrics.background_process_metrics import wrap_as_background_process
from synapse.storage._base import SQLBaseStore
from synapse.storage.database import DatabasePool
from synapse.storage.database import DatabasePool, LoggingTransaction
from synapse.storage.databases.main.cache import CacheInvalidationWorkerStore
from synapse.storage.databases.main.events_worker import EventsWorkerStore
from synapse.util import json_encoder
@ -41,7 +41,7 @@ class CensorEventsStore(EventsWorkerStore, CacheInvalidationWorkerStore, SQLBase
hs.get_clock().looping_call(self._censor_redactions, 5 * 60 * 1000)
@wrap_as_background_process("_censor_redactions")
async def _censor_redactions(self):
async def _censor_redactions(self) -> None:
"""Censors all redactions older than the configured period that haven't
been censored yet.
@ -105,7 +105,7 @@ class CensorEventsStore(EventsWorkerStore, CacheInvalidationWorkerStore, SQLBase
and original_event.internal_metadata.is_redacted()
):
# Redaction was allowed
pruned_json = json_encoder.encode(
pruned_json: Optional[str] = json_encoder.encode(
prune_event_dict(
original_event.room_version, original_event.get_dict()
)
@ -116,7 +116,7 @@ class CensorEventsStore(EventsWorkerStore, CacheInvalidationWorkerStore, SQLBase
updates.append((redaction_id, event_id, pruned_json))
def _update_censor_txn(txn):
def _update_censor_txn(txn: LoggingTransaction) -> None:
for redaction_id, event_id, pruned_json in updates:
if pruned_json:
self._censor_event_txn(txn, event_id, pruned_json)
@ -130,14 +130,16 @@ class CensorEventsStore(EventsWorkerStore, CacheInvalidationWorkerStore, SQLBase
await self.db_pool.runInteraction("_update_censor_txn", _update_censor_txn)
def _censor_event_txn(self, txn, event_id, pruned_json):
def _censor_event_txn(
self, txn: LoggingTransaction, event_id: str, pruned_json: str
) -> None:
"""Censor an event by replacing its JSON in the event_json table with the
provided pruned JSON.
Args:
txn (LoggingTransaction): The database transaction.
event_id (str): The ID of the event to censor.
pruned_json (str): The pruned JSON
txn: The database transaction.
event_id: The ID of the event to censor.
pruned_json: The pruned JSON
"""
self.db_pool.simple_update_one_txn(
txn,
@ -157,7 +159,7 @@ class CensorEventsStore(EventsWorkerStore, CacheInvalidationWorkerStore, SQLBase
# Try to retrieve the event's content from the database or the event cache.
event = await self.get_event(event_id)
def delete_expired_event_txn(txn):
def delete_expired_event_txn(txn: LoggingTransaction) -> None:
# Delete the expiry timestamp associated with this event from the database.
self._delete_event_expiry_txn(txn, event_id)
@ -194,14 +196,14 @@ class CensorEventsStore(EventsWorkerStore, CacheInvalidationWorkerStore, SQLBase
"delete_expired_event", delete_expired_event_txn
)
def _delete_event_expiry_txn(self, txn, event_id):
def _delete_event_expiry_txn(self, txn: LoggingTransaction, event_id: str) -> None:
"""Delete the expiry timestamp associated with an event ID without deleting the
actual event.
Args:
txn (LoggingTransaction): The transaction to use to perform the deletion.
event_id (str): The event ID to delete the associated expiry timestamp of.
txn: The transaction to use to perform the deletion.
event_id: The event ID to delete the associated expiry timestamp of.
"""
return self.db_pool.simple_delete_txn(
self.db_pool.simple_delete_txn(
txn=txn, table="event_expiry", keyvalues={"event_id": event_id}
)

38
synapse/storage/databases/main/deviceinbox.py
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@ -1,4 +1,5 @@
# Copyright 2016 OpenMarket Ltd
# Copyright 2021 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -19,9 +20,17 @@ from synapse.logging import issue9533_logger
from synapse.logging.opentracing import log_kv, set_tag, trace
from synapse.replication.tcp.streams import ToDeviceStream
from synapse.storage._base import SQLBaseStore, db_to_json
from synapse.storage.database import DatabasePool, LoggingTransaction
from synapse.storage.database import (
DatabasePool,
LoggingDatabaseConnection,
LoggingTransaction,
)
from synapse.storage.engines import PostgresEngine
from synapse.storage.util.id_generators import MultiWriterIdGenerator, StreamIdGenerator
from synapse.storage.util.id_generators import (
AbstractStreamIdGenerator,
MultiWriterIdGenerator,
StreamIdGenerator,
)
from synapse.types import JsonDict
from synapse.util import json_encoder
from synapse.util.caches.expiringcache import ExpiringCache
@ -34,14 +43,21 @@ logger = logging.getLogger(__name__)
class DeviceInboxWorkerStore(SQLBaseStore):
def __init__(self, database: DatabasePool, db_conn, hs: "HomeServer"):
def __init__(
self,
database: DatabasePool,
db_conn: LoggingDatabaseConnection,
hs: "HomeServer",
):
super().__init__(database, db_conn, hs)
self._instance_name = hs.get_instance_name()
# Map of (user_id, device_id) to the last stream_id that has been
# deleted up to. This is so that we can no op deletions.
self._last_device_delete_cache = ExpiringCache(
self._last_device_delete_cache: ExpiringCache[
Tuple[str, Optional[str]], int
] = ExpiringCache(
cache_name="last_device_delete_cache",
clock=self._clock,
max_len=10000,
@ -53,7 +69,8 @@ class DeviceInboxWorkerStore(SQLBaseStore):
self._instance_name in hs.config.worker.writers.to_device
)
self._device_inbox_id_gen = MultiWriterIdGenerator(
self._device_inbox_id_gen: AbstractStreamIdGenerator = (
MultiWriterIdGenerator(
db_conn=db_conn,
db=database,
stream_name="to_device",
@ -62,6 +79,7 @@ class DeviceInboxWorkerStore(SQLBaseStore):
sequence_name="device_inbox_sequence",
writers=hs.config.worker.writers.to_device,
)
)
else:
self._can_write_to_device = True
self._device_inbox_id_gen = StreamIdGenerator(
@ -101,6 +119,8 @@ class DeviceInboxWorkerStore(SQLBaseStore):
def process_replication_rows(self, stream_name, instance_name, token, rows):
if stream_name == ToDeviceStream.NAME:
# If replication is happening than postgres must be being used.
assert isinstance(self._device_inbox_id_gen, MultiWriterIdGenerator)
self._device_inbox_id_gen.advance(instance_name, token)
for row in rows:
if row.entity.startswith("@"):
@ -220,11 +240,11 @@ class DeviceInboxWorkerStore(SQLBaseStore):
log_kv({"message": f"deleted {count} messages for device", "count": count})
# Update the cache, ensuring that we only ever increase the value
last_deleted_stream_id = self._last_device_delete_cache.get(
updated_last_deleted_stream_id = self._last_device_delete_cache.get(
(user_id, device_id), 0
)
self._last_device_delete_cache[(user_id, device_id)] = max(
last_deleted_stream_id, up_to_stream_id
updated_last_deleted_stream_id, up_to_stream_id
)
return count
@ -432,7 +452,7 @@ class DeviceInboxWorkerStore(SQLBaseStore):
)
async with self._device_inbox_id_gen.get_next() as stream_id:
now_ms = self.clock.time_msec()
now_ms = self._clock.time_msec()
await self.db_pool.runInteraction(
"add_messages_to_device_inbox", add_messages_txn, now_ms, stream_id
)
@ -483,7 +503,7 @@ class DeviceInboxWorkerStore(SQLBaseStore):
)
async with self._device_inbox_id_gen.get_next() as stream_id:
now_ms = self.clock.time_msec()
now_ms = self._clock.time_msec()
await self.db_pool.runInteraction(
"add_messages_from_remote_to_device_inbox",
add_messages_txn,

6
synapse/storage/databases/main/filtering.py
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@ -1,4 +1,5 @@
# Copyright 2015, 2016 OpenMarket Ltd
# Copyright 2021 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -18,6 +19,7 @@ from canonicaljson import encode_canonical_json
from synapse.api.errors import Codes, SynapseError
from synapse.storage._base import SQLBaseStore, db_to_json
from synapse.storage.database import LoggingTransaction
from synapse.types import JsonDict
from synapse.util.caches.descriptors import cached
@ -49,7 +51,7 @@ class FilteringStore(SQLBaseStore):
# Need an atomic transaction to SELECT the maximal ID so far then
# INSERT a new one
def _do_txn(txn):
def _do_txn(txn: LoggingTransaction) -> int:
sql = (
"SELECT filter_id FROM user_filters "
"WHERE user_id = ? AND filter_json = ?"
@ -61,7 +63,7 @@ class FilteringStore(SQLBaseStore):
sql = "SELECT MAX(filter_id) FROM user_filters WHERE user_id = ?"
txn.execute(sql, (user_localpart,))
max_id = txn.fetchone()[0]
max_id = txn.fetchone()[0] # type: ignore[index]
if max_id is None:
filter_id = 0
else:

6
synapse/storage/databases/main/lock.py
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@ -13,7 +13,7 @@
# limitations under the License.
import logging
from types import TracebackType
from typing import TYPE_CHECKING, Dict, Optional, Tuple, Type
from typing import TYPE_CHECKING, Optional, Tuple, Type
from weakref import WeakValueDictionary
from twisted.internet.interfaces import IReactorCore
@ -62,7 +62,9 @@ class LockStore(SQLBaseStore):
# A map from `(lock_name, lock_key)` to the token of any locks that we
# think we currently hold.
self._live_tokens: Dict[Tuple[str, str], Lock] = WeakValueDictionary()
self._live_tokens: WeakValueDictionary[
Tuple[str, str], Lock
] = WeakValueDictionary()
# When we shut down we want to remove the locks. Technically this can
# lead to a race, as we may drop the lock while we are still processing.

17
synapse/storage/databases/main/openid.py
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@ -1,6 +1,21 @@
# Copyright 2019-2021 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from typing import Optional
from synapse.storage._base import SQLBaseStore
from synapse.storage.database import LoggingTransaction
class OpenIdStore(SQLBaseStore):
@ -20,7 +35,7 @@ class OpenIdStore(SQLBaseStore):
async def get_user_id_for_open_id_token(
self, token: str, ts_now_ms: int
) -> Optional[str]:
def get_user_id_for_token_txn(txn):
def get_user_id_for_token_txn(txn: LoggingTransaction) -> Optional[str]:
sql = (
"SELECT user_id FROM open_id_tokens"
" WHERE token = ? AND ? <= ts_valid_until_ms"

27
synapse/storage/databases/main/tags.py
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@ -1,5 +1,6 @@
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
# Copyright 2021 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -14,9 +15,10 @@
# limitations under the License.
import logging
from typing import Dict, List, Tuple
from typing import Dict, List, Tuple, cast
from synapse.storage._base import db_to_json
from synapse.storage.database import LoggingTransaction
from synapse.storage.databases.main.account_data import AccountDataWorkerStore
from synapse.types import JsonDict
from synapse.util import json_encoder
@ -50,7 +52,7 @@ class TagsWorkerStore(AccountDataWorkerStore):
async def get_all_updated_tags(
self, instance_name: str, last_id: int, current_id: int, limit: int
) -> Tuple[List[Tuple[int, tuple]], int, bool]:
) -> Tuple[List[Tuple[int, Tuple[str, str, str]]], int, bool]:
"""Get updates for tags replication stream.
Args:
@ -75,7 +77,9 @@ class TagsWorkerStore(AccountDataWorkerStore):
if last_id == current_id:
return [], current_id, False
def get_all_updated_tags_txn(txn):
def get_all_updated_tags_txn(
txn: LoggingTransaction,
) -> List[Tuple[int, str, str]]:
sql = (
"SELECT stream_id, user_id, room_id"
" FROM room_tags_revisions as r"
@ -83,13 +87,16 @@ class TagsWorkerStore(AccountDataWorkerStore):
" ORDER BY stream_id ASC LIMIT ?"
)
txn.execute(sql, (last_id, current_id, limit))
return txn.fetchall()
# mypy doesn't understand what the query is selecting.
return cast(List[Tuple[int, str, str]], txn.fetchall())
tag_ids = await self.db_pool.runInteraction(
"get_all_updated_tags", get_all_updated_tags_txn
)
def get_tag_content(txn, tag_ids):
def get_tag_content(
txn: LoggingTransaction, tag_ids
) -> List[Tuple[int, Tuple[str, str, str]]]:
sql = "SELECT tag, content FROM room_tags WHERE user_id=? AND room_id=?"
results = []
for stream_id, user_id, room_id in tag_ids:
@ -127,15 +134,15 @@ class TagsWorkerStore(AccountDataWorkerStore):
given version
Args:
user_id(str): The user to get the tags for.
stream_id(int): The earliest update to get for the user.
user_id: The user to get the tags for.
stream_id: The earliest update to get for the user.
Returns:
A mapping from room_id strings to lists of tag strings for all the
rooms that changed since the stream_id token.
"""
def get_updated_tags_txn(txn):
def get_updated_tags_txn(txn: LoggingTransaction) -> List[str]:
sql = (
"SELECT room_id from room_tags_revisions"
" WHERE user_id = ? AND stream_id > ?"
@ -200,7 +207,7 @@ class TagsWorkerStore(AccountDataWorkerStore):
content_json = json_encoder.encode(content)
def add_tag_txn(txn, next_id):
def add_tag_txn(txn: LoggingTransaction, next_id: int) -> None:
self.db_pool.simple_upsert_txn(
txn,
table="room_tags",
@ -224,7 +231,7 @@ class TagsWorkerStore(AccountDataWorkerStore):
"""
assert self._can_write_to_account_data
def remove_tag_txn(txn, next_id):
def remove_tag_txn(txn: LoggingTransaction, next_id: int) -> None:
sql = (
"DELETE FROM room_tags "
" WHERE user_id = ? AND room_id = ? AND tag = ?"

24
synapse/storage/util/id_generators.py
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@ -1,4 +1,5 @@
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2021 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -11,6 +12,7 @@
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import abc
import heapq
import logging
import threading
@ -87,7 +89,25 @@ def _load_current_id(
return (max if step > 0 else min)(current_id, step)
class StreamIdGenerator:
class AbstractStreamIdGenerator(metaclass=abc.ABCMeta):
@abc.abstractmethod
def get_next(self) -> AsyncContextManager[int]:
raise NotImplementedError()
@abc.abstractmethod
def get_next_mult(self, n: int) -> AsyncContextManager[Sequence[int]]:
raise NotImplementedError()
@abc.abstractmethod
def get_current_token(self) -> int:
raise NotImplementedError()
@abc.abstractmethod
def get_current_token_for_writer(self, instance_name: str) -> int:
raise NotImplementedError()
class StreamIdGenerator(AbstractStreamIdGenerator):
"""Used to generate new stream ids when persisting events while keeping
track of which transactions have been completed.
@ -209,7 +229,7 @@ class StreamIdGenerator:
return self.get_current_token()
class MultiWriterIdGenerator:
class MultiWriterIdGenerator(AbstractStreamIdGenerator):
"""An ID generator that tracks a stream that can have multiple writers.
Uses a Postgres sequence to coordinate ID assignment, but positions of other