Use assignment expressions 38 (#58828)

homeassistant/components/actiontec/device_tracker.py

@@ -71,8 +71,7 @@ class ActiontecDeviceScanner(DeviceScanner):
         if not self.success_init:
             return False
 
-        actiontec_data = self.get_actiontec_data()
+        if (actiontec_data := self.get_actiontec_data()) is None:
-        if actiontec_data is None:
             return False
         self.last_results = [
             device for device in actiontec_data if device.timevalid > -60

homeassistant/components/avea/light.py

@@ -59,7 +59,6 @@ class AveaLight(LightEntity):
 
         This is the only method that should fetch new data for Home Assistant.
         """
-        brightness = self._light.get_brightness()
+        if (brightness := self._light.get_brightness()) is not None:
-        if brightness is not None:
             self._attr_is_on = brightness != 0
             self._attr_brightness = round(255 * (brightness / 4095))

homeassistant/components/google_assistant/helpers.py

@@ -521,8 +521,7 @@ class GoogleEntity:
             if area and area.name:
                 device["roomHint"] = area.name
 
-        device_info = await _get_device_info(device_entry)
+        if device_info := await _get_device_info(device_entry):
-        if device_info:
             device["deviceInfo"] = device_info
 
         return device

homeassistant/components/hassio/addon_panel.py

@@ -21,8 +21,7 @@ async def async_setup_addon_panel(hass: HomeAssistant, hassio):
     hass.http.register_view(hassio_addon_panel)
 
     # If panels are exists
-    panels = await hassio_addon_panel.get_panels()
+    if not (panels := await hassio_addon_panel.get_panels()):
-    if not panels:
         return
 
     # Register available panels

homeassistant/components/heos/__init__.py

@@ -335,9 +335,8 @@ class SourceManager:
                 heos_const.EVENT_USER_CHANGED,
                 heos_const.EVENT_CONNECTED,
             ):
-                sources = await get_sources()
                 # If throttled, it will return None
-                if sources:
+                if sources := await get_sources():
                     self.favorites, self.inputs = sources
                     self.source_list = self._build_source_list()
                     _LOGGER.debug("Sources updated due to changed event")

homeassistant/components/homekit/type_cameras.py

@@ -333,8 +333,7 @@ class Camera(HomeAccessory, PyhapCamera):
             session_info["id"],
             stream_config,
         )
-        input_source = await self._async_get_stream_source()
+        if not (input_source := await self._async_get_stream_source()):
-        if not input_source:
             _LOGGER.error("Camera has no stream source")
             return False
         if "-i " not in input_source:

homeassistant/components/homekit/type_sensors.py

@@ -114,8 +114,7 @@ class TemperatureSensor(HomeAccessory):
     def async_update_state(self, new_state):
         """Update temperature after state changed."""
         unit = new_state.attributes.get(ATTR_UNIT_OF_MEASUREMENT, TEMP_CELSIUS)
-        temperature = convert_to_float(new_state.state)
+        if temperature := convert_to_float(new_state.state):
-        if temperature:
             temperature = temperature_to_homekit(temperature, unit)
             self.char_temp.set_value(temperature)
             _LOGGER.debug(
@@ -142,8 +141,7 @@ class HumiditySensor(HomeAccessory):
     @callback
     def async_update_state(self, new_state):
         """Update accessory after state change."""
-        humidity = convert_to_float(new_state.state)
+        if humidity := convert_to_float(new_state.state):
-        if humidity:
             self.char_humidity.set_value(humidity)
             _LOGGER.debug("%s: Percent set to %d%%", self.entity_id, humidity)
 
@@ -170,8 +168,7 @@ class AirQualitySensor(HomeAccessory):
     @callback
     def async_update_state(self, new_state):
         """Update accessory after state change."""
-        density = convert_to_float(new_state.state)
+        if density := convert_to_float(new_state.state):
-        if density:
             if self.char_density.value != density:
                 self.char_density.set_value(density)
                 _LOGGER.debug("%s: Set density to %d", self.entity_id, density)
@@ -206,8 +203,7 @@ class CarbonMonoxideSensor(HomeAccessory):
     @callback
     def async_update_state(self, new_state):
         """Update accessory after state change."""
-        value = convert_to_float(new_state.state)
+        if value := convert_to_float(new_state.state):
-        if value:
             self.char_level.set_value(value)
             if value > self.char_peak.value:
                 self.char_peak.set_value(value)
@@ -242,8 +238,7 @@ class CarbonDioxideSensor(HomeAccessory):
     @callback
     def async_update_state(self, new_state):
         """Update accessory after state change."""
-        value = convert_to_float(new_state.state)
+        if value := convert_to_float(new_state.state):
-        if value:
             self.char_level.set_value(value)
             if value > self.char_peak.value:
                 self.char_peak.set_value(value)
@@ -271,8 +266,7 @@ class LightSensor(HomeAccessory):
     @callback
     def async_update_state(self, new_state):
         """Update accessory after state change."""
-        luminance = convert_to_float(new_state.state)
+        if luminance := convert_to_float(new_state.state):
-        if luminance:
             self.char_light.set_value(luminance)
             _LOGGER.debug("%s: Set to %d", self.entity_id, luminance)
 

homeassistant/components/homekit/util.py

@@ -294,9 +294,7 @@ def get_media_player_features(state):
 
 def validate_media_player_features(state, feature_list):
     """Validate features for media players."""
-    supported_modes = get_media_player_features(state)
+    if not (supported_modes := get_media_player_features(state)):
-
-    if not supported_modes:
         _LOGGER.error("%s does not support any media_player features", state.entity_id)
         return False
 

homeassistant/components/lastfm/sensor.py

@@ -86,20 +86,17 @@ class LastfmSensor(SensorEntity):
         self._cover = self._user.get_image()
         self._playcount = self._user.get_playcount()
 
-        recent_tracks = self._user.get_recent_tracks(limit=2)
+        if recent_tracks := self._user.get_recent_tracks(limit=2):
-        if recent_tracks:
             last = recent_tracks[0]
             self._lastplayed = f"{last.track.artist} - {last.track.title}"
 
-        top_tracks = self._user.get_top_tracks(limit=1)
+        if top_tracks := self._user.get_top_tracks(limit=1):
-        if top_tracks:
             top = top_tracks[0]
             toptitle = re.search("', '(.+?)',", str(top))
             topartist = re.search("'(.+?)',", str(top))
             self._topplayed = f"{topartist.group(1)} - {toptitle.group(1)}"
 
-        now_playing = self._user.get_now_playing()
+        if (now_playing := self._user.get_now_playing()) is None:
-        if now_playing is None:
             self._state = STATE_NOT_SCROBBLING
             return
 

homeassistant/components/nx584/binary_sensor.py

@@ -137,8 +137,7 @@ class NX584Watcher(threading.Thread):
         """Throw away any existing events so we don't replay history."""
         self._client.get_events()
         while True:
-            events = self._client.get_events()
+            if events := self._client.get_events():
-            if events:
                 self._process_events(events)
 
     def run(self):

homeassistant/components/philips_js/light.py

@@ -200,8 +200,7 @@ class PhilipsTVLightEntity(CoordinatorEntity, LightEntity):
         current = self._tv.ambilight_current_configuration
         if current and self._tv.ambilight_mode != "manual":
             if current["isExpert"]:
-                settings = _get_settings(current)
+                if settings := _get_settings(current):
-                if settings:
                     return _get_effect(
                         EFFECT_EXPERT, current["styleName"], settings["algorithm"]
                     )

homeassistant/components/vera/climate.py

@@ -92,8 +92,7 @@ class VeraThermostat(VeraDevice[veraApi.VeraThermostat], ClimateEntity):
     @property
     def fan_mode(self) -> str | None:
         """Return the fan setting."""
-        mode = self.vera_device.get_fan_mode()
+        if self.vera_device.get_fan_mode() == "ContinuousOn":
-        if mode == "ContinuousOn":
             return FAN_ON
         return FAN_AUTO
 

homeassistant/components/yeelight/light.py

@@ -465,8 +465,7 @@ class YeelightGenericLight(YeelightEntity, LightEntity):
     @property
     def color_temp(self) -> int:
         """Return the color temperature."""
-        temp_in_k = self._get_property("ct")
+        if temp_in_k := self._get_property("ct"):
-        if temp_in_k:
             self._color_temp = kelvin_to_mired(int(temp_in_k))
         return self._color_temp
 
@@ -530,9 +529,7 @@ class YeelightGenericLight(YeelightEntity, LightEntity):
     @property
     def rgb_color(self) -> tuple:
         """Return the color property."""
-        rgb = self._get_property("rgb")
+        if (rgb := self._get_property("rgb")) is None:
-
-        if rgb is None:
             return None
 
         rgb = int(rgb)

homeassistant/components/zha/api.py

@@ -1145,10 +1145,8 @@ def async_load_api(hass):
         strobe = service.data.get(ATTR_WARNING_DEVICE_STROBE)
         level = service.data.get(ATTR_LEVEL)
 
-        zha_device = zha_gateway.get_device(ieee)
+        if (zha_device := zha_gateway.get_device(ieee)) is not None:
-        if zha_device is not None:
+            if channel := _get_ias_wd_channel(zha_device):
-            channel = _get_ias_wd_channel(zha_device)
-            if channel:
                 await channel.issue_squawk(mode, strobe, level)
             else:
                 _LOGGER.error(
@@ -1189,10 +1187,8 @@ def async_load_api(hass):
         duty_mode = service.data.get(ATTR_WARNING_DEVICE_STROBE_DUTY_CYCLE)
         intensity = service.data.get(ATTR_WARNING_DEVICE_STROBE_INTENSITY)
 
-        zha_device = zha_gateway.get_device(ieee)
+        if (zha_device := zha_gateway.get_device(ieee)) is not None:
-        if zha_device is not None:
+            if channel := _get_ias_wd_channel(zha_device):
-            channel = _get_ias_wd_channel(zha_device)
-            if channel:
                 await channel.issue_start_warning(
                     mode, strobe, level, duration, duty_mode, intensity
                 )

homeassistant/components/zha/climate.py

@@ -405,8 +405,7 @@ class Thermostat(ZhaEntity, ClimateEntity):
             # occupancy attribute is an unreportable attribute, but if we get
             # an attribute update for an "occupied" setpoint, there's a chance
             # occupancy has changed
-            occupancy = await self._thrm.get_occupancy()
+            if await self._thrm.get_occupancy() is True:
-            if occupancy is True:
                 self._preset = PRESET_NONE
 
         self.debug("Attribute '%s' = %s update", record.attr_name, record.value)