Additional strict typing for recorder (#68860)

.strict-typing

@@ -172,8 +172,12 @@ homeassistant.components.pure_energie.*
 homeassistant.components.rainmachine.*
 homeassistant.components.rdw.*
 homeassistant.components.recollect_waste.*
-homeassistant.components.recorder.models
+homeassistant.components.recorder
+homeassistant.components.recorder.const
+homeassistant.components.recorder.backup
+homeassistant.components.recorder.executor
 homeassistant.components.recorder.history
+homeassistant.components.recorder.models
 homeassistant.components.recorder.pool
 homeassistant.components.recorder.purge
 homeassistant.components.recorder.repack

homeassistant/components/recorder/__init__.py

@@ -11,7 +11,7 @@ import queue
 import sqlite3
 import threading
 import time
-from typing import Any, TypeVar
+from typing import Any, TypeVar, cast
 
 from lru import LRU  # pylint: disable=no-name-in-module
 from sqlalchemy import create_engine, event as sqlalchemy_event, exc, func, select
@@ -214,7 +214,8 @@ MAX_DB_EXECUTOR_WORKERS = POOL_SIZE - 1
 
 def get_instance(hass: HomeAssistant) -> Recorder:
     """Get the recorder instance."""
-    return hass.data[DATA_INSTANCE]
+    instance: Recorder = hass.data[DATA_INSTANCE]
+    return instance
 
 
 @bind_hass
@@ -225,10 +226,13 @@ def is_entity_recorded(hass: HomeAssistant, entity_id: str) -> bool:
     """
     if DATA_INSTANCE not in hass.data:
         return False
-    return hass.data[DATA_INSTANCE].entity_filter(entity_id)
+    instance: Recorder = hass.data[DATA_INSTANCE]
+    return instance.entity_filter(entity_id)
 
 
-def run_information(hass, point_in_time: datetime | None = None) -> RecorderRuns | None:
+def run_information(
+    hass: HomeAssistant, point_in_time: datetime | None = None
+) -> RecorderRuns | None:
     """Return information about current run.
 
     There is also the run that covers point_in_time.
@@ -241,21 +245,20 @@ def run_information(hass, point_in_time: datetime | None = None) -> RecorderRuns
 
 
 def run_information_from_instance(
-    hass, point_in_time: datetime | None = None
+    hass: HomeAssistant, point_in_time: datetime | None = None
 ) -> RecorderRuns | None:
     """Return information about current run from the existing instance.
 
     Does not query the database for older runs.
     """
-    ins = hass.data[DATA_INSTANCE]
-
+    ins = get_instance(hass)
     if point_in_time is None or point_in_time > ins.recording_start:
         return ins.run_info
     return None
 
 
 def run_information_with_session(
-    session, point_in_time: datetime | None = None
+    session: Session, point_in_time: datetime | None = None
 ) -> RecorderRuns | None:
     """Return information about current run from the database."""
     recorder_runs = RecorderRuns
@@ -266,9 +269,9 @@ def run_information_with_session(
             (recorder_runs.start < point_in_time) & (recorder_runs.end > point_in_time)
         )
 
-    res = query.first()
-    if res:
+    if (res := query.first()) is not None:
         session.expunge(res)
+        return cast(RecorderRuns, res)
     return res
 
 
@@ -318,9 +321,12 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     return await instance.async_db_ready
 
 
-async def _process_recorder_platform(hass, domain, platform):
+async def _process_recorder_platform(
+    hass: HomeAssistant, domain: str, platform: Any
+) -> None:
     """Process a recorder platform."""
-    hass.data[DOMAIN][domain] = platform
+    platforms: dict[str, Any] = hass.data[DOMAIN]
+    platforms[domain] = platform
     if hasattr(platform, "exclude_attributes"):
         hass.data[EXCLUDE_ATTRIBUTES][domain] = platform.exclude_attributes(hass)
 
@@ -586,11 +592,11 @@ class Recorder(threading.Thread):
         self.db_url = uri
         self.db_max_retries = db_max_retries
         self.db_retry_wait = db_retry_wait
-        self.async_db_ready: asyncio.Future = asyncio.Future()
+        self.async_db_ready: asyncio.Future[bool] = asyncio.Future()
         self.async_recorder_ready = asyncio.Event()
         self._queue_watch = threading.Event()
         self.engine: Engine | None = None
-        self.run_info: Any = None
+        self.run_info: RecorderRuns | None = None
 
         self.entity_filter = entity_filter
         self.exclude_t = exclude_t
@@ -616,12 +622,12 @@ class Recorder(threading.Thread):
 
         self.enabled = True
 
-    def set_enable(self, enable):
+    def set_enable(self, enable: bool) -> None:
         """Enable or disable recording events and states."""
         self.enabled = enable
 
     @callback
-    def async_start_executor(self):
+    def async_start_executor(self) -> None:
         """Start the executor."""
         self._db_executor = DBInterruptibleThreadPoolExecutor(
             thread_name_prefix=DB_WORKER_PREFIX,
@@ -629,13 +635,13 @@ class Recorder(threading.Thread):
             shutdown_hook=self._shutdown_pool,
         )
 
-    def _shutdown_pool(self):
+    def _shutdown_pool(self) -> None:
         """Close the dbpool connections in the current thread."""
-        if hasattr(self.engine.pool, "shutdown"):
+        if self.engine and hasattr(self.engine.pool, "shutdown"):
             self.engine.pool.shutdown()
 
     @callback
-    def async_initialize(self):
+    def async_initialize(self) -> None:
         """Initialize the recorder."""
         self._event_listener = self.hass.bus.async_listen(
             MATCH_ALL, self.event_listener, event_filter=self._async_event_filter
@@ -658,7 +664,7 @@ class Recorder(threading.Thread):
         self._db_executor = None
 
     @callback
-    def _async_check_queue(self, *_):
+    def _async_check_queue(self, *_: Any) -> None:
         """Periodic check of the queue size to ensure we do not exaust memory.
 
         The queue grows during migraton or if something really goes wrong.
@@ -704,21 +710,23 @@ class Recorder(threading.Thread):
         # Unknown what it is.
         return True
 
-    def do_adhoc_purge(self, **kwargs):
+    def do_adhoc_purge(self, **kwargs: Any) -> None:
         """Trigger an adhoc purge retaining keep_days worth of data."""
         keep_days = kwargs.get(ATTR_KEEP_DAYS, self.keep_days)
-        repack = kwargs.get(ATTR_REPACK)
-        apply_filter = kwargs.get(ATTR_APPLY_FILTER)
+        repack = cast(bool, kwargs[ATTR_REPACK])
+        apply_filter = cast(bool, kwargs[ATTR_APPLY_FILTER])
 
         purge_before = dt_util.utcnow() - timedelta(days=keep_days)
         self.queue.put(PurgeTask(purge_before, repack, apply_filter))
 
-    def do_adhoc_purge_entities(self, entity_ids, domains, entity_globs):
+    def do_adhoc_purge_entities(
+        self, entity_ids: set[str], domains: list[str], entity_globs: list[str]
+    ) -> None:
         """Trigger an adhoc purge of requested entities."""
-        entity_filter = generate_filter(domains, entity_ids, [], [], entity_globs)
+        entity_filter = generate_filter(domains, list(entity_ids), [], [], entity_globs)
         self.queue.put(PurgeEntitiesTask(entity_filter))
 
-    def do_adhoc_statistics(self, **kwargs):
+    def do_adhoc_statistics(self, **kwargs: Any) -> None:
         """Trigger an adhoc statistics run."""
         if not (start := kwargs.get("start")):
             start = statistics.get_start_time()
@@ -812,22 +820,26 @@ class Recorder(threading.Thread):
         self.queue.put(StatisticsTask(start))
 
     @callback
-    def async_adjust_statistics(self, statistic_id, start_time, sum_adjustment):
+    def async_adjust_statistics(
+        self, statistic_id: str, start_time: datetime, sum_adjustment: float
+    ) -> None:
         """Adjust statistics."""
         self.queue.put(AdjustStatisticsTask(statistic_id, start_time, sum_adjustment))
 
     @callback
-    def async_clear_statistics(self, statistic_ids):
+    def async_clear_statistics(self, statistic_ids: list[str]) -> None:
         """Clear statistics for a list of statistic_ids."""
         self.queue.put(ClearStatisticsTask(statistic_ids))
 
     @callback
-    def async_update_statistics_metadata(self, statistic_id, unit_of_measurement):
+    def async_update_statistics_metadata(
+        self, statistic_id: str, unit_of_measurement: str | None
+    ) -> None:
         """Update statistics metadata for a statistic_id."""
         self.queue.put(UpdateStatisticsMetadataTask(statistic_id, unit_of_measurement))
 
     @callback
-    def async_external_statistics(self, metadata, stats):
+    def async_external_statistics(self, metadata: dict, stats: Iterable[dict]) -> None:
         """Schedule external statistics."""
         self.queue.put(ExternalStatisticsTask(metadata, stats))
 
@@ -995,7 +1007,7 @@ class Recorder(threading.Thread):
 
     def _lock_database(self, task: DatabaseLockTask) -> None:
         @callback
-        def _async_set_database_locked(task: DatabaseLockTask):
+        def _async_set_database_locked(task: DatabaseLockTask) -> None:
             task.database_locked.set()
 
         with write_lock_db_sqlite(self):
@@ -1285,8 +1297,11 @@ class Recorder(threading.Thread):
         kwargs: dict[str, Any] = {}
         self._completed_first_database_setup = False
 
-        def setup_recorder_connection(dbapi_connection, connection_record):
+        def setup_recorder_connection(
+            dbapi_connection: Any, connection_record: Any
+        ) -> None:
             """Dbapi specific connection settings."""
+            assert self.engine is not None
             setup_connection_for_dialect(
                 self,
                 self.engine.dialect.name,
@@ -1366,6 +1381,7 @@ class Recorder(threading.Thread):
         """End the recorder session."""
         if self.event_session is None:
             return
+        assert self.run_info is not None
         try:
             self.run_info.end = dt_util.utcnow()
             self.event_session.add(self.run_info)

homeassistant/components/recorder/executor.py

@@ -10,7 +10,9 @@ import weakref
 from homeassistant.util.executor import InterruptibleThreadPoolExecutor
 
 
-def _worker_with_shutdown_hook(shutdown_hook, *args, **kwargs):
+def _worker_with_shutdown_hook(
+    shutdown_hook: Callable[[], None], *args: Any, **kwargs: Any
+) -> None:
     """Create a worker that calls a function after its finished."""
     _worker(*args, **kwargs)
     shutdown_hook()
@@ -37,7 +39,7 @@ class DBInterruptibleThreadPoolExecutor(InterruptibleThreadPoolExecutor):
 
         # When the executor gets lost, the weakref callback will wake up
         # the worker threads.
-        def weakref_cb(_, q=self._work_queue):  # pylint: disable=invalid-name
+        def weakref_cb(_: Any, q=self._work_queue) -> None:  # type: ignore[no-untyped-def] # pylint: disable=invalid-name
             q.put(None)
 
         num_threads = len(self._threads)

homeassistant/components/recorder/migration.py

@@ -2,6 +2,7 @@
 import contextlib
 from datetime import timedelta
 import logging
+from typing import Any
 
 import sqlalchemy
 from sqlalchemy import ForeignKeyConstraint, MetaData, Table, func, text
@@ -43,8 +44,9 @@ def raise_if_exception_missing_str(ex, match_substrs):
     raise ex
 
 
-def get_schema_version(instance):
+def get_schema_version(instance: Any) -> int:
     """Get the schema version."""
+    assert instance.get_session is not None
     with session_scope(session=instance.get_session()) as session:
         res = (
             session.query(SchemaChanges)
@@ -62,13 +64,14 @@ def get_schema_version(instance):
         return current_version
 
 
-def schema_is_current(current_version):
+def schema_is_current(current_version: int) -> bool:
     """Check if the schema is current."""
     return current_version == SCHEMA_VERSION
 
 
-def migrate_schema(instance, current_version):
+def migrate_schema(instance: Any, current_version: int) -> None:
     """Check if the schema needs to be upgraded."""
+    assert instance.get_session is not None
     _LOGGER.warning("Database is about to upgrade. Schema version: %s", current_version)
     for version in range(current_version, SCHEMA_VERSION):
         new_version = version + 1

homeassistant/components/recorder/purge.py

@@ -291,6 +291,7 @@ def _purge_old_recorder_runs(
 ) -> None:
     """Purge all old recorder runs."""
     # Recorder runs is small, no need to batch run it
+    assert instance.run_info is not None
     deleted_rows = (
         session.query(RecorderRuns)
         .filter(RecorderRuns.start < purge_before)

mypy.ini

@@ -1694,7 +1694,40 @@ no_implicit_optional = true
 warn_return_any = true
 warn_unreachable = true
 
-[mypy-homeassistant.components.recorder.models]
+[mypy-homeassistant.components.recorder]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+no_implicit_optional = true
+warn_return_any = true
+warn_unreachable = true
+
+[mypy-homeassistant.components.recorder.const]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+no_implicit_optional = true
+warn_return_any = true
+warn_unreachable = true
+
+[mypy-homeassistant.components.recorder.backup]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+no_implicit_optional = true
+warn_return_any = true
+warn_unreachable = true
+
+[mypy-homeassistant.components.recorder.executor]
 check_untyped_defs = true
 disallow_incomplete_defs = true
 disallow_subclassing_any = true
@@ -1716,6 +1749,17 @@ no_implicit_optional = true
 warn_return_any = true
 warn_unreachable = true
 
+[mypy-homeassistant.components.recorder.models]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+no_implicit_optional = true
+warn_return_any = true
+warn_unreachable = true
+
 [mypy-homeassistant.components.recorder.pool]
 check_untyped_defs = true
 disallow_incomplete_defs = true