Use assignment expressions 31 (#58715)

homeassistant/components/enocean/sensor.py

@@ -139,8 +139,7 @@ class EnOceanSensor(EnOceanEntity, RestoreEntity, SensorEntity):
         if self._attr_native_value is not None:
             return
 
-        state = await self.async_get_last_state()
+        if (state := await self.async_get_last_state()) is not None:
-        if state is not None:
             self._attr_native_value = state.state
 
     def value_changed(self, packet):

homeassistant/components/envisalink/__init__.py

@@ -198,8 +198,7 @@ async def async_setup(hass, config):
     _LOGGER.info("Start envisalink")
     controller.start()
 
-    result = await sync_connect
+    if not await sync_connect:
-    if not result:
         return False
 
     # Load sub-components for Envisalink

homeassistant/components/esphome/entry_data.py

@@ -137,8 +137,7 @@ class RuntimeEntryData:
 
     async def async_load_from_store(self) -> tuple[list[EntityInfo], list[UserService]]:
         """Load the retained data from store and return de-serialized data."""
-        restored = await self.store.async_load()
+        if (restored := await self.store.async_load()) is None:
-        if restored is None:
             return [], []
         restored = cast("dict[str, Any]", restored)
         self._storage_contents = restored.copy()

homeassistant/components/fastdotcom/sensor.py

@@ -49,8 +49,7 @@ class SpeedtestSensor(RestoreEntity, SensorEntity):
             )
         )
 
-        state = await self.async_get_last_state()
+        if not (state := await self.async_get_last_state()):
-        if not state:
             return
         self._attr_native_value = state.state
 

homeassistant/components/generic_hygrostat/humidifier.py

@@ -171,8 +171,7 @@ class GenericHygrostat(HumidifierEntity, RestoreEntity):
 
         self.hass.bus.async_listen_once(EVENT_HOMEASSISTANT_START, _async_startup)
 
-        old_state = await self.async_get_last_state()
+        if (old_state := await self.async_get_last_state()) is not None:
-        if old_state is not None:
             if old_state.attributes.get(ATTR_MODE) == MODE_AWAY:
                 self._is_away = True
                 self._saved_target_humidity = self._target_humidity

homeassistant/components/harmony/remote.py

@@ -144,8 +144,7 @@ class HarmonyRemote(HarmonyEntity, remote.RemoteEntity, RestoreEntity):
         # Restore the last activity so we know
         # how what to turn on if nothing
         # is specified
-        last_state = await self.async_get_last_state()
+        if not (last_state := await self.async_get_last_state()):
-        if not last_state:
             return
         if ATTR_LAST_ACTIVITY not in last_state.attributes:
             return

homeassistant/components/integration/sensor.py

@@ -124,8 +124,7 @@ class IntegrationSensor(RestoreEntity, SensorEntity):
     async def async_added_to_hass(self):
         """Handle entity which will be added."""
         await super().async_added_to_hass()
-        state = await self.async_get_last_state()
+        if state := await self.async_get_last_state():
-        if state:
             try:
                 self._state = Decimal(state.state)
             except (DecimalException, ValueError) as err:

homeassistant/components/iperf3/sensor.py

@@ -60,8 +60,7 @@ class Iperf3Sensor(RestoreEntity, SensorEntity):
             )
         )
 
-        state = await self.async_get_last_state()
+        if not (state := await self.async_get_last_state()):
-        if not state:
             return
         self._attr_native_value = state.state
 

homeassistant/components/isy994/light.py

@@ -117,8 +117,7 @@ class ISYLightEntity(ISYNodeEntity, LightEntity, RestoreEntity):
         await super().async_added_to_hass()
 
         self._last_brightness = self.brightness or 255
-        last_state = await self.async_get_last_state()
+        if not (last_state := await self.async_get_last_state()):
-        if not last_state:
             return
 
         if (

homeassistant/components/limitlessled/light.py

@@ -231,8 +231,7 @@ class LimitlessLEDGroup(LightEntity, RestoreEntity):
     async def async_added_to_hass(self):
         """Handle entity about to be added to hass event."""
         await super().async_added_to_hass()
-        last_state = await self.async_get_last_state()
+        if last_state := await self.async_get_last_state():
-        if last_state:
             self._is_on = last_state.state == STATE_ON
             self._brightness = last_state.attributes.get("brightness")
             self._temperature = last_state.attributes.get("color_temp")

homeassistant/components/lovelace/dashboard.py

@@ -235,9 +235,7 @@ class DashboardsCollection(collection.StorageCollection):
 
     async def _async_load_data(self) -> dict | None:
         """Load the data."""
-        data = await self.store.async_load()
+        if (data := await self.store.async_load()) is None:
-
-        if data is None:
             return cast(Optional[dict], data)
 
         updated = False

homeassistant/components/lovelace/resources.py

@@ -70,9 +70,7 @@ class ResourceStorageCollection(collection.StorageCollection):
 
     async def _async_load_data(self) -> dict | None:
         """Load the data."""
-        data = await self.store.async_load()
+        if (data := await self.store.async_load()) is not None:
-
-        if data is not None:
             return cast(Optional[dict], data)
 
         # Import it from config.

homeassistant/components/manual/alarm_control_panel.py

@@ -427,8 +427,7 @@ class ManualAlarm(alarm.AlarmControlPanelEntity, RestoreEntity):
     async def async_added_to_hass(self):
         """Run when entity about to be added to hass."""
         await super().async_added_to_hass()
-        state = await self.async_get_last_state()
+        if state := await self.async_get_last_state():
-        if state:
             if (
                 state.state in (STATE_ALARM_PENDING, STATE_ALARM_ARMING)
                 and hasattr(state, "attributes")

homeassistant/components/owntracks/device_tracker.py

@@ -130,9 +130,7 @@ class OwnTracksEntity(TrackerEntity, RestoreEntity):
         if self._data:
             return
 
-        state = await self.async_get_last_state()
+        if (state := await self.async_get_last_state()) is None:
-
-        if state is None:
             return
 
         attr = state.attributes

homeassistant/components/person/__init__.py

@@ -420,8 +420,7 @@ class Person(RestoreEntity):
     async def async_added_to_hass(self):
         """Register device trackers."""
         await super().async_added_to_hass()
-        state = await self.async_get_last_state()
+        if state := await self.async_get_last_state():
-        if state:
             self._parse_source_state(state)
 
         if self.hass.is_running:

homeassistant/components/pilight/base_class.py

@@ -86,8 +86,7 @@ class PilightBaseDevice(RestoreEntity):
     async def async_added_to_hass(self):
         """Call when entity about to be added to hass."""
         await super().async_added_to_hass()
-        state = await self.async_get_last_state()
+        if state := await self.async_get_last_state():
-        if state:
             self._is_on = state.state == STATE_ON
             self._brightness = state.attributes.get("brightness")
 

homeassistant/components/rest/__init__.py

@@ -52,8 +52,7 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
 
     async def reload_service_handler(service):
         """Remove all user-defined groups and load new ones from config."""
-        conf = await component.async_prepare_reload()
+        if (conf := await component.async_prepare_reload()) is None:
-        if conf is None:
             return
         await async_reload_integration_platforms(hass, DOMAIN, PLATFORMS)
         _async_setup_shared_data(hass)

homeassistant/components/rpi_gpio_pwm/light.py

@@ -117,8 +117,7 @@ class PwmSimpleLed(LightEntity, RestoreEntity):
     async def async_added_to_hass(self):
         """Handle entity about to be added to hass event."""
         await super().async_added_to_hass()
-        last_state = await self.async_get_last_state()
+        if last_state := await self.async_get_last_state():
-        if last_state:
             self._is_on = last_state.state == STATE_ON
             self._brightness = last_state.attributes.get(
                 "brightness", DEFAULT_BRIGHTNESS
@@ -193,8 +192,7 @@ class PwmRgbLed(PwmSimpleLed):
     async def async_added_to_hass(self):
         """Handle entity about to be added to hass event."""
         await super().async_added_to_hass()
-        last_state = await self.async_get_last_state()
+        if last_state := await self.async_get_last_state():
-        if last_state:
             self._color = last_state.attributes.get("hs_color", DEFAULT_COLOR)
 
     @property

homeassistant/components/smartthings/smartapp.py

@@ -211,8 +211,7 @@ async def setup_smartapp_endpoint(hass: HomeAssistant):
 
     # Get/create config to store a unique id for this hass instance.
     store = hass.helpers.storage.Store(STORAGE_VERSION, STORAGE_KEY)
-    config = await store.async_load()
+    if not (config := await store.async_load()):
-    if not config:
         # Create config
         config = {
             CONF_INSTANCE_ID: str(uuid4()),

homeassistant/components/speedtestdotnet/sensor.py

@@ -100,6 +100,5 @@ class SpeedtestSensor(CoordinatorEntity, RestoreEntity, SensorEntity):
     async def async_added_to_hass(self) -> None:
         """Handle entity which will be added."""
         await super().async_added_to_hass()
-        state = await self.async_get_last_state()
+        if state := await self.async_get_last_state():
-        if state:
             self._state = state.state

homeassistant/components/switchbot/switch.py

@@ -117,8 +117,7 @@ class SwitchBotBotEntity(SwitchbotEntity, SwitchEntity, RestoreEntity):
     async def async_added_to_hass(self) -> None:
         """Run when entity about to be added."""
         await super().async_added_to_hass()
-        last_state = await self.async_get_last_state()
+        if not (last_state := await self.async_get_last_state()):
-        if not last_state:
             return
         self._attr_is_on = last_state.state == STATE_ON
         self._last_run_success = last_state.attributes["last_run_success"]

homeassistant/components/template/switch.py

@@ -148,8 +148,7 @@ class SwitchTemplate(TemplateEntity, SwitchEntity, RestoreEntity):
 
             # restore state after startup
             await super().async_added_to_hass()
-            state = await self.async_get_last_state()
+            if state := await self.async_get_last_state():
-            if state:
                 self._state = state.state == STATE_ON
 
             # no need to listen for events

homeassistant/components/traccar/device_tracker.py

@@ -402,8 +402,7 @@ class TraccarEntity(TrackerEntity, RestoreEntity):
         if self._latitude is not None or self._longitude is not None:
             return
 
-        state = await self.async_get_last_state()
+        if (state := await self.async_get_last_state()) is None:
-        if state is None:
             self._latitude = None
             self._longitude = None
             self._accuracy = None

homeassistant/components/utility_meter/sensor.py

@@ -297,8 +297,7 @@ class UtilityMeterSensor(RestoreEntity, SensorEntity):
 
         async_dispatcher_connect(self.hass, SIGNAL_RESET_METER, self.async_reset_meter)
 
-        state = await self.async_get_last_state()
+        if state := await self.async_get_last_state():
-        if state:
             try:
                 self._state = Decimal(state.state)
             except InvalidOperation:

homeassistant/components/websocket_api/http.py

@@ -73,8 +73,7 @@ class WebSocketHandler:
         # Exceptions if Socket disconnected or cancelled by connection handler
         with suppress(RuntimeError, ConnectionResetError, *CANCELLATION_ERRORS):
             while not self.wsock.closed:
-                message = await self._to_write.get()
+                if (message := await self._to_write.get()) is None:
-                if message is None:
                     break
 
                 self._logger.debug("Sending %s", message)

homeassistant/helpers/storage.py

@@ -37,10 +37,8 @@ async def async_migrator(
 
     async def old_conf_migrate_func(old_data)
     """
-    store_data = await store.async_load()
-
     # If we already have store data we have already migrated in the past.
-    if store_data is not None:
+    if (store_data := await store.async_load()) is not None:
         return store_data
 
     def load_old_config():