diff --git a/homeassistant/components/cloud/alexa_config.py b/homeassistant/components/cloud/alexa_config.py
index f578a114dfc..3e82e662fe9 100644
--- a/homeassistant/components/cloud/alexa_config.py
+++ b/homeassistant/components/cloud/alexa_config.py
@@ -134,8 +134,7 @@ class AlexaConfig(alexa_config.AbstractConfig):
             return entity_expose
 
         entity_registry = er.async_get(self.hass)
-        registry_entry = entity_registry.async_get(entity_id)
-        if registry_entry:
+        if registry_entry := entity_registry.async_get(entity_id):
             auxiliary_entity = registry_entry.entity_category in (
                 ENTITY_CATEGORY_CONFIG,
                 ENTITY_CATEGORY_DIAGNOSTIC,
diff --git a/homeassistant/components/cloud/google_config.py b/homeassistant/components/cloud/google_config.py
index bfb6510fcda..4f71aeeb9a0 100644
--- a/homeassistant/components/cloud/google_config.py
+++ b/homeassistant/components/cloud/google_config.py
@@ -132,8 +132,7 @@ class CloudGoogleConfig(AbstractConfig):
             return entity_expose
 
         entity_registry = er.async_get(self.hass)
-        registry_entry = entity_registry.async_get(entity_id)
-        if registry_entry:
+        if registry_entry := entity_registry.async_get(entity_id):
             auxiliary_entity = registry_entry.entity_category in (
                 ENTITY_CATEGORY_CONFIG,
                 ENTITY_CATEGORY_DIAGNOSTIC,
diff --git a/homeassistant/components/dlna_dmr/config_flow.py b/homeassistant/components/dlna_dmr/config_flow.py
index 551faf2815f..3958ca9e3e5 100644
--- a/homeassistant/components/dlna_dmr/config_flow.py
+++ b/homeassistant/components/dlna_dmr/config_flow.py
@@ -352,8 +352,7 @@ class DlnaDmrOptionsFlowHandler(config_entries.OptionsFlow):
 
         def _add_with_suggestion(key: str, validator: Callable) -> None:
             """Add a field to with a suggested, not default, value."""
-            suggested_value = options.get(key)
-            if suggested_value is None:
+            if (suggested_value := options.get(key)) is None:
                 fields[vol.Optional(key)] = validator
             else:
                 fields[
diff --git a/homeassistant/components/eq3btsmart/climate.py b/homeassistant/components/eq3btsmart/climate.py
index 3c3d41d090c..b7c39ec996c 100644
--- a/homeassistant/components/eq3btsmart/climate.py
+++ b/homeassistant/components/eq3btsmart/climate.py
@@ -123,8 +123,7 @@ class EQ3BTSmartThermostat(ClimateEntity):
 
     def set_temperature(self, **kwargs):
         """Set new target temperature."""
-        temperature = kwargs.get(ATTR_TEMPERATURE)
-        if temperature is None:
+        if (temperature := kwargs.get(ATTR_TEMPERATURE)) is None:
             return
         self._thermostat.target_temperature = temperature
 
diff --git a/homeassistant/components/fitbit/sensor.py b/homeassistant/components/fitbit/sensor.py
index 96de36a1f29..2de121920af 100644
--- a/homeassistant/components/fitbit/sensor.py
+++ b/homeassistant/components/fitbit/sensor.py
@@ -377,12 +377,13 @@ class FitbitSensor(SensorEntity):
     @property
     def icon(self) -> str | None:
         """Icon to use in the frontend, if any."""
-        if self.entity_description.key == "devices/battery" and self.extra is not None:
-            extra_battery = self.extra.get("battery")
-            if extra_battery is not None:
-                battery_level = BATTERY_LEVELS.get(extra_battery)
-                if battery_level is not None:
-                    return icon_for_battery_level(battery_level=battery_level)
+        if (
+            self.entity_description.key == "devices/battery"
+            and self.extra is not None
+            and (extra_battery := self.extra.get("battery")) is not None
+            and (battery_level := BATTERY_LEVELS.get(extra_battery)) is not None
+        ):
+            return icon_for_battery_level(battery_level=battery_level)
         return self.entity_description.icon
 
     @property
diff --git a/homeassistant/components/generic_thermostat/climate.py b/homeassistant/components/generic_thermostat/climate.py
index c48deba12d8..4d52240535f 100644
--- a/homeassistant/components/generic_thermostat/climate.py
+++ b/homeassistant/components/generic_thermostat/climate.py
@@ -364,8 +364,7 @@ class GenericThermostat(ClimateEntity, RestoreEntity):
 
     async def async_set_temperature(self, **kwargs):
         """Set new target temperature."""
-        temperature = kwargs.get(ATTR_TEMPERATURE)
-        if temperature is None:
+        if (temperature := kwargs.get(ATTR_TEMPERATURE)) is None:
             return
         self._target_temp = temperature
         await self._async_control_heating(force=True)
diff --git a/homeassistant/components/honeywell/climate.py b/homeassistant/components/honeywell/climate.py
index 8088a73506d..7c40a0bb684 100644
--- a/homeassistant/components/honeywell/climate.py
+++ b/homeassistant/components/honeywell/climate.py
@@ -282,8 +282,7 @@ class HoneywellUSThermostat(ClimateEntity):
 
     def _set_temperature(self, **kwargs) -> None:
         """Set new target temperature."""
-        temperature = kwargs.get(ATTR_TEMPERATURE)
-        if temperature is None:
+        if (temperature := kwargs.get(ATTR_TEMPERATURE)) is None:
             return
         try:
             # Get current mode
@@ -310,11 +309,9 @@ class HoneywellUSThermostat(ClimateEntity):
 
         try:
             if HVAC_MODE_HEAT_COOL in self._hvac_mode_map:
-                temperature = kwargs.get(ATTR_TARGET_TEMP_HIGH)
-                if temperature:
+                if temperature := kwargs.get(ATTR_TARGET_TEMP_HIGH):
                     self._device.setpoint_cool = temperature
-                temperature = kwargs.get(ATTR_TARGET_TEMP_LOW)
-                if temperature:
+                if temperature := kwargs.get(ATTR_TARGET_TEMP_LOW):
                     self._device.setpoint_heat = temperature
         except somecomfort.SomeComfortError as err:
             _LOGGER.error("Invalid temperature %s: %s", temperature, err)
diff --git a/homeassistant/components/html5/notify.py b/homeassistant/components/html5/notify.py
index 594d84a8068..6c3a10757bb 100644
--- a/homeassistant/components/html5/notify.py
+++ b/homeassistant/components/html5/notify.py
@@ -186,9 +186,8 @@ def get_service(hass, config, discovery_info=None):
     hass.http.register_view(HTML5PushCallbackView(registrations))
 
     gcm_api_key = config.get(ATTR_GCM_API_KEY)
-    gcm_sender_id = config.get(ATTR_GCM_SENDER_ID)
 
-    if gcm_sender_id is not None:
+    if config.get(ATTR_GCM_SENDER_ID) is not None:
         add_manifest_json_key(ATTR_GCM_SENDER_ID, config.get(ATTR_GCM_SENDER_ID))
 
     return HTML5NotificationService(
@@ -332,9 +331,7 @@ class HTML5PushCallbackView(HomeAssistantView):
     # https://auth0.com/docs/quickstart/backend/python
     def check_authorization_header(self, request):
         """Check the authorization header."""
-
-        auth = request.headers.get(AUTHORIZATION)
-        if not auth:
+        if not (auth := request.headers.get(AUTHORIZATION)):
             return self.json_message(
                 "Authorization header is expected", status_code=HTTPStatus.UNAUTHORIZED
             )
@@ -463,9 +460,7 @@ class HTML5NotificationService(BaseNotificationService):
             ATTR_TITLE: kwargs.get(ATTR_TITLE, ATTR_TITLE_DEFAULT),
         }
 
-        data = kwargs.get(ATTR_DATA)
-
-        if data:
+        if data := kwargs.get(ATTR_DATA):
             # Pick out fields that should go into the notification directly vs
             # into the notification data dictionary.
 
@@ -496,9 +491,8 @@ class HTML5NotificationService(BaseNotificationService):
         if priority not in ["normal", "high"]:
             priority = DEFAULT_PRIORITY
         payload["timestamp"] = timestamp * 1000  # Javascript ms since epoch
-        targets = kwargs.get(ATTR_TARGET)
 
-        if not targets:
+        if not (targets := kwargs.get(ATTR_TARGET)):
             targets = self.registrations.keys()
 
         for target in list(targets):
diff --git a/homeassistant/components/knx/climate.py b/homeassistant/components/knx/climate.py
index 91342cca839..22289738711 100644
--- a/homeassistant/components/knx/climate.py
+++ b/homeassistant/components/knx/climate.py
@@ -218,8 +218,7 @@ class KNXClimate(KnxEntity, ClimateEntity):
 
     async def async_set_temperature(self, **kwargs: Any) -> None:
         """Set new target temperature."""
-        temperature = kwargs.get(ATTR_TEMPERATURE)
-        if temperature is None:
+        if (temperature := kwargs.get(ATTR_TEMPERATURE)) is None:
             return
         await self._device.set_target_temperature(temperature)
         self.async_write_ha_state()
diff --git a/homeassistant/components/mobile_app/device_tracker.py b/homeassistant/components/mobile_app/device_tracker.py
index 1deebf6b531..f4b5866eacd 100644
--- a/homeassistant/components/mobile_app/device_tracker.py
+++ b/homeassistant/components/mobile_app/device_tracker.py
@@ -60,8 +60,7 @@ class MobileAppEntity(TrackerEntity, RestoreEntity):
         """Return device specific attributes."""
         attrs = {}
         for key in ATTR_KEYS:
-            value = self._data.get(key)
-            if value is not None:
+            if (value := self._data.get(key)) is not None:
                 attrs[key] = value
 
         return attrs
@@ -74,9 +73,7 @@ class MobileAppEntity(TrackerEntity, RestoreEntity):
     @property
     def latitude(self):
         """Return latitude value of the device."""
-        gps = self._data.get(ATTR_GPS)
-
-        if gps is None:
+        if (gps := self._data.get(ATTR_GPS)) is None:
             return None
 
         return gps[0]
@@ -84,9 +81,7 @@ class MobileAppEntity(TrackerEntity, RestoreEntity):
     @property
     def longitude(self):
         """Return longitude value of the device."""
-        gps = self._data.get(ATTR_GPS)
-
-        if gps is None:
+        if (gps := self._data.get(ATTR_GPS)) is None:
             return None
 
         return gps[1]
diff --git a/homeassistant/components/mobile_app/notify.py b/homeassistant/components/mobile_app/notify.py
index 36afbac71c8..21f92d73020 100644
--- a/homeassistant/components/mobile_app/notify.py
+++ b/homeassistant/components/mobile_app/notify.py
@@ -114,9 +114,7 @@ class MobileAppNotificationService(BaseNotificationService):
         ):
             data[ATTR_TITLE] = kwargs.get(ATTR_TITLE)
 
-        targets = kwargs.get(ATTR_TARGET)
-
-        if not targets:
+        if not (targets := kwargs.get(ATTR_TARGET)):
             targets = push_registrations(self.hass).values()
 
         if kwargs.get(ATTR_DATA) is not None:
diff --git a/homeassistant/components/mobile_app/webhook.py b/homeassistant/components/mobile_app/webhook.py
index 8a06b693e9a..7d8b6ad4b53 100644
--- a/homeassistant/components/mobile_app/webhook.py
+++ b/homeassistant/components/mobile_app/webhook.py
@@ -264,9 +264,7 @@ async def webhook_fire_event(hass, config_entry, data):
 @validate_schema({vol.Required(ATTR_CAMERA_ENTITY_ID): cv.string})
 async def webhook_stream_camera(hass, config_entry, data):
     """Handle a request to HLS-stream a camera."""
-    camera = hass.states.get(data[ATTR_CAMERA_ENTITY_ID])
-
-    if camera is None:
+    if (camera := hass.states.get(data[ATTR_CAMERA_ENTITY_ID])) is None:
         return webhook_response(
             {"success": False},
             registration=config_entry.data,
diff --git a/homeassistant/components/rss_feed_template/__init__.py b/homeassistant/components/rss_feed_template/__init__.py
index 222b533235d..fb830bccee7 100644
--- a/homeassistant/components/rss_feed_template/__init__.py
+++ b/homeassistant/components/rss_feed_template/__init__.py
@@ -43,8 +43,7 @@ def setup(hass, config):
 
         requires_auth = feedconfig.get("requires_api_password")
 
-        title = feedconfig.get("title")
-        if title is not None:
+        if (title := feedconfig.get("title")) is not None:
             title.hass = hass
 
         items = feedconfig.get("items")
diff --git a/homeassistant/components/sensibo/climate.py b/homeassistant/components/sensibo/climate.py
index c4589205e34..b0b211e4a7d 100644
--- a/homeassistant/components/sensibo/climate.py
+++ b/homeassistant/components/sensibo/climate.py
@@ -112,8 +112,7 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
 
     async def async_assume_state(service):
         """Set state according to external service call.."""
-        entity_ids = service.data.get(ATTR_ENTITY_ID)
-        if entity_ids:
+        if entity_ids := service.data.get(ATTR_ENTITY_ID):
             target_climate = [
                 device for device in devices if device.entity_id in entity_ids
             ]
@@ -299,8 +298,7 @@ class SensiboClimate(ClimateEntity):
 
     async def async_set_temperature(self, **kwargs):
         """Set new target temperature."""
-        temperature = kwargs.get(ATTR_TEMPERATURE)
-        if temperature is None:
+        if (temperature := kwargs.get(ATTR_TEMPERATURE)) is None:
             return
         temperature = int(temperature)
         if temperature not in self._temperatures_list:
diff --git a/homeassistant/components/universal/media_player.py b/homeassistant/components/universal/media_player.py
index 59cef93de49..925a76140f3 100644
--- a/homeassistant/components/universal/media_player.py
+++ b/homeassistant/components/universal/media_player.py
@@ -216,9 +216,7 @@ class UniversalMediaPlayer(MediaPlayerEntity):
 
     def _entity_lkp(self, entity_id, state_attr=None):
         """Look up an entity state."""
-        state_obj = self.hass.states.get(entity_id)
-
-        if state_obj is None:
+        if (state_obj := self.hass.states.get(entity_id)) is None:
             return
 
         if state_attr: