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Additional type hints for relations database class. (#11205)

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Patrick Cloke 2021-10-28 14:35:12 -04:00 committed by GitHub
parent 0e16b418f6
commit 56e281bf6c
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3 changed files with 25 additions and 15 deletions
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1
changelog.d/11205.misc Normal file
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@ -0,0 +1 @@
Improve type hints for the relations datastore.

1
mypy.ini
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@ -53,6 +53,7 @@ files =
synapse/storage/databases/main/keys.py,
synapse/storage/databases/main/pusher.py,
synapse/storage/databases/main/registration.py,
synapse/storage/databases/main/relations.py,
synapse/storage/databases/main/session.py,
synapse/storage/databases/main/stream.py,
synapse/storage/databases/main/ui_auth.py,

38
synapse/storage/databases/main/relations.py
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@ -13,13 +13,14 @@
# limitations under the License.
import logging
from typing import Optional, Tuple
from typing import List, Optional, Tuple, Union
import attr
from synapse.api.constants import RelationTypes
from synapse.events import EventBase
from synapse.storage._base import SQLBaseStore
from synapse.storage.database import LoggingTransaction
from synapse.storage.databases.main.stream import generate_pagination_where_clause
from synapse.storage.relations import (
AggregationPaginationToken,
@ -63,7 +64,7 @@ class RelationsWorkerStore(SQLBaseStore):
"""
where_clause = ["relates_to_id = ?"]
where_args = [event_id]
where_args: List[Union[str, int]] = [event_id]
if relation_type is not None:
where_clause.append("relation_type = ?")
@ -80,8 +81,8 @@ class RelationsWorkerStore(SQLBaseStore):
pagination_clause = generate_pagination_where_clause(
direction=direction,
column_names=("topological_ordering", "stream_ordering"),
from_token=attr.astuple(from_token) if from_token else None,
to_token=attr.astuple(to_token) if to_token else None,
from_token=attr.astuple(from_token) if from_token else None, # type: ignore[arg-type]
to_token=attr.astuple(to_token) if to_token else None, # type: ignore[arg-type]
engine=self.database_engine,
)
@ -106,7 +107,9 @@ class RelationsWorkerStore(SQLBaseStore):
order,
)
def _get_recent_references_for_event_txn(txn):
def _get_recent_references_for_event_txn(
txn: LoggingTransaction,
) -> PaginationChunk:
txn.execute(sql, where_args + [limit + 1])
last_topo_id = None
@ -160,7 +163,7 @@ class RelationsWorkerStore(SQLBaseStore):
"""
where_clause = ["relates_to_id = ?", "relation_type = ?"]
where_args = [event_id, RelationTypes.ANNOTATION]
where_args: List[Union[str, int]] = [event_id, RelationTypes.ANNOTATION]
if event_type:
where_clause.append("type = ?")
@ -169,8 +172,8 @@ class RelationsWorkerStore(SQLBaseStore):
having_clause = generate_pagination_where_clause(
direction=direction,
column_names=("COUNT(*)", "MAX(stream_ordering)"),
from_token=attr.astuple(from_token) if from_token else None,
to_token=attr.astuple(to_token) if to_token else None,
from_token=attr.astuple(from_token) if from_token else None, # type: ignore[arg-type]
to_token=attr.astuple(to_token) if to_token else None, # type: ignore[arg-type]
engine=self.database_engine,
)
@ -199,7 +202,9 @@ class RelationsWorkerStore(SQLBaseStore):
having_clause=having_clause,
)
def _get_aggregation_groups_for_event_txn(txn):
def _get_aggregation_groups_for_event_txn(
txn: LoggingTransaction,
) -> PaginationChunk:
txn.execute(sql, where_args + [limit + 1])
next_batch = None
@ -254,11 +259,12 @@ class RelationsWorkerStore(SQLBaseStore):
LIMIT 1
"""
def _get_applicable_edit_txn(txn):
def _get_applicable_edit_txn(txn: LoggingTransaction) -> Optional[str]:
txn.execute(sql, (event_id, RelationTypes.REPLACE))
row = txn.fetchone()
if row:
return row[0]
return None
edit_id = await self.db_pool.runInteraction(
"get_applicable_edit", _get_applicable_edit_txn
@ -267,7 +273,7 @@ class RelationsWorkerStore(SQLBaseStore):
if not edit_id:
return None
return await self.get_event(edit_id, allow_none=True)
return await self.get_event(edit_id, allow_none=True) # type: ignore[attr-defined]
@cached()
async def get_thread_summary(
@ -283,7 +289,9 @@ class RelationsWorkerStore(SQLBaseStore):
The number of items in the thread and the most recent response, if any.
"""
def _get_thread_summary_txn(txn) -> Tuple[int, Optional[str]]:
def _get_thread_summary_txn(
txn: LoggingTransaction,
) -> Tuple[int, Optional[str]]:
# Fetch the count of threaded events and the latest event ID.
# TODO Should this only allow m.room.message events.
sql = """
@ -312,7 +320,7 @@ class RelationsWorkerStore(SQLBaseStore):
AND relation_type = ?
"""
txn.execute(sql, (event_id, RelationTypes.THREAD))
count = txn.fetchone()[0]
count = txn.fetchone()[0] # type: ignore[index]
return count, latest_event_id
@ -322,7 +330,7 @@ class RelationsWorkerStore(SQLBaseStore):
latest_event = None
if latest_event_id:
latest_event = await self.get_event(latest_event_id, allow_none=True)
latest_event = await self.get_event(latest_event_id, allow_none=True) # type: ignore[attr-defined]
return count, latest_event
@ -354,7 +362,7 @@ class RelationsWorkerStore(SQLBaseStore):
LIMIT 1;
"""
def _get_if_user_has_annotated_event(txn):
def _get_if_user_has_annotated_event(txn: LoggingTransaction) -> bool:
txn.execute(
sql,
(