Use assignment expressions 20 (#57969)

homeassistant/components/buienradar/camera.py

@@ -131,8 +131,7 @@ class BuienradarCam(Camera):
                     _LOGGER.debug("HTTP 304 - success")
                     return True
 
-                last_modified = res.headers.get("Last-Modified")
+                if last_modified := res.headers.get("Last-Modified"):
-                if last_modified:
                     self._last_modified = last_modified
 
                 self._last_image = await res.read()

homeassistant/components/buienradar/sensor.py

@@ -786,8 +786,7 @@ class BrSensor(SensorEntity):
 
         if sensor_type == SYMBOL or sensor_type.startswith(CONDITION):
             # update weather symbol & status text
-            condition = data.get(CONDITION)
+            if condition := data.get(CONDITION):
-            if condition:
                 if sensor_type == SYMBOL:
                     new_state = condition.get(EXACTNL)
                 if sensor_type == CONDITION:

homeassistant/components/buienradar/weather.py

@@ -133,11 +133,12 @@ class BrWeather(WeatherEntity):
     @property
     def condition(self):
         """Return the current condition."""
-        if self._data and self._data.condition:
+        if (
-            ccode = self._data.condition.get(CONDCODE)
+            self._data
-            if ccode:
+            and self._data.condition
-                conditions = self.hass.data[DOMAIN].get(DATA_CONDITION)
+            and (ccode := self._data.condition.get(CONDCODE))
-                if conditions:
+            and (conditions := self.hass.data[DOMAIN].get(DATA_CONDITION))
+        ):
             return conditions.get(ccode)
 
     @property

homeassistant/components/debugpy/__init__.py

@@ -48,8 +48,7 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
 
         debugpy.listen((conf[CONF_HOST], conf[CONF_PORT]))
 
-        wait = conf[CONF_WAIT]
+        if conf[CONF_WAIT]:
-        if wait:
             _LOGGER.warning(
                 "Waiting for remote debug connection on %s:%s",
                 conf[CONF_HOST],

homeassistant/components/mqtt/__init__.py

@@ -598,8 +598,7 @@ class MQTT:
         """
         self = hass.data[DATA_MQTT]
 
-        conf = hass.data.get(DATA_MQTT_CONFIG)
+        if (conf := hass.data.get(DATA_MQTT_CONFIG)) is None:
-        if conf is None:
             conf = CONFIG_SCHEMA({DOMAIN: dict(entry.data)})[DOMAIN]
 
         self.conf = _merge_config(entry, conf)
@@ -622,8 +621,7 @@ class MQTT:
         else:
             proto = mqtt.MQTTv311
 
-        client_id = self.conf.get(CONF_CLIENT_ID)
+        if (client_id := self.conf.get(CONF_CLIENT_ID)) is None:
-        if client_id is None:
             # PAHO MQTT relies on the MQTT server to generate random client IDs.
             # However, that feature is not mandatory so we generate our own.
             client_id = mqtt.base62(uuid.uuid4().int, padding=22)
@@ -637,9 +635,7 @@ class MQTT:
         if username is not None:
             self._mqttc.username_pw_set(username, password)
 
-        certificate = self.conf.get(CONF_CERTIFICATE)
+        if (certificate := self.conf.get(CONF_CERTIFICATE)) == "auto":
-
-        if certificate == "auto":
             certificate = certifi.where()
 
         client_key = self.conf.get(CONF_CLIENT_KEY)
@@ -1002,8 +998,7 @@ async def websocket_remove_device(hass, connection, msg):
     device_id = msg["device_id"]
     dev_registry = await hass.helpers.device_registry.async_get_registry()
 
-    device = dev_registry.async_get(device_id)
+    if not (device := dev_registry.async_get(device_id)):
-    if not device:
         connection.send_error(
             msg["id"], websocket_api.const.ERR_NOT_FOUND, "Device not found"
         )

homeassistant/components/mqtt/alarm_control_panel.py

@@ -205,8 +205,7 @@ class MqttAlarm(MqttEntity, alarm.AlarmControlPanelEntity):
     @property
     def code_format(self):
         """Return one or more digits/characters."""
-        code = self._config.get(CONF_CODE)
+        if (code := self._config.get(CONF_CODE)) is None:
-        if code is None:
             return None
         if code == REMOTE_CODE or (isinstance(code, str) and re.search("^\\d+$", code)):
             return alarm.FORMAT_NUMBER

homeassistant/components/mqtt/discovery.py

@@ -142,8 +142,7 @@ async def async_start(  # noqa: C901
                         payload[key] = f"{value[:-1]}{base}"
             if payload.get(CONF_AVAILABILITY):
                 for availability_conf in payload[CONF_AVAILABILITY]:
-                    topic = availability_conf.get(CONF_TOPIC)
+                    if topic := availability_conf.get(CONF_TOPIC):
-                    if topic:
                         if topic[0] == TOPIC_BASE:
                             availability_conf[CONF_TOPIC] = f"{base}{topic[1:]}"
                         if topic[-1] == TOPIC_BASE:

homeassistant/components/mqtt/light/schema_basic.py

@@ -826,8 +826,7 @@ class MqttLight(MqttEntity, LightEntity, RestoreEntity):
 
         def render_rgbx(color, template, color_mode):
             """Render RGBx payload."""
-            tpl = self._command_templates[template]
+            if tpl := self._command_templates[template]:
-            if tpl:
                 keys = ["red", "green", "blue"]
                 if color_mode == COLOR_MODE_RGBW:
                     keys.append("white")

homeassistant/components/upb/__init__.py

@@ -31,8 +31,7 @@ async def async_setup_entry(hass, config_entry):
     hass.config_entries.async_setup_platforms(config_entry, PLATFORMS)
 
     def _element_changed(element, changeset):
-        change = changeset.get("last_change")
+        if (change := changeset.get("last_change")) is None:
-        if change is None:
             return
         if change.get("command") is None:
             return

homeassistant/components/upb/config_flow.py

@@ -62,8 +62,7 @@ async def _validate_input(data):
 
 
 def _make_url_from_data(data):
-    host = data.get(CONF_HOST)
+    if host := data.get(CONF_HOST):
-    if host:
         return host
 
     protocol = PROTOCOL_MAP[data[CONF_PROTOCOL]]

homeassistant/components/upb/light.py

@@ -67,8 +67,7 @@ class UpbLight(UpbAttachedEntity, LightEntity):
 
     async def async_turn_on(self, **kwargs):
         """Turn on the light."""
-        flash = kwargs.get(ATTR_FLASH)
+        if flash := kwargs.get(ATTR_FLASH):
-        if flash:
             await self.async_light_blink(0.5 if flash == "short" else 1.5)
         else:
             rate = kwargs.get(ATTR_TRANSITION, -1)

homeassistant/components/zha/core/channels/homeautomation.py

@@ -139,8 +139,7 @@ class ElectricalMeasurementChannel(ZigbeeChannel):
     @property
     def measurement_type(self) -> str | None:
         """Return Measurement type."""
-        meas_type = self.cluster.get("measurement_type")
+        if (meas_type := self.cluster.get("measurement_type")) is None:
-        if meas_type is None:
             return None
 
         meas_type = self.MeasurementType(meas_type)

homeassistant/components/zha/core/channels/smartenergy.py

@@ -138,8 +138,7 @@ class Metering(ZigbeeChannel):
     @property
     def status(self) -> int | None:
         """Return metering device status."""
-        status = self.cluster.get("status")
+        if (status := self.cluster.get("status")) is None:
-        if status is None:
             return None
         if self.cluster.get("metering_device_type") == 0:
             # Electric metering device type

homeassistant/components/zha/core/discovery.py

@@ -206,8 +206,7 @@ class ProbeEndpoint:
     def initialize(self, hass: HomeAssistant) -> None:
         """Update device overrides config."""
         zha_config = hass.data[zha_const.DATA_ZHA].get(zha_const.DATA_ZHA_CONFIG, {})
-        overrides = zha_config.get(zha_const.CONF_DEVICE_CONFIG)
+        if overrides := zha_config.get(zha_const.CONF_DEVICE_CONFIG):
-        if overrides:
             self._device_configs.update(overrides)
 
 
@@ -237,8 +236,7 @@ class GroupProbe:
     def _reprobe_group(self, group_id: int) -> None:
         """Reprobe a group for entities after its members change."""
         zha_gateway = self._hass.data[zha_const.DATA_ZHA][zha_const.DATA_ZHA_GATEWAY]
-        zha_group = zha_gateway.groups.get(group_id)
+        if (zha_group := zha_gateway.groups.get(group_id)) is None:
-        if zha_group is None:
             return
         self.discover_group_entities(zha_group)
 

homeassistant/components/zha/core/gateway.py

@@ -494,8 +494,7 @@ class ZHAGateway:
         self, zigpy_device: zha_typing.ZigpyDeviceType, restored: bool = False
     ):
         """Get or create a ZHA device."""
-        zha_device = self._devices.get(zigpy_device.ieee)
+        if (zha_device := self._devices.get(zigpy_device.ieee)) is None:
-        if zha_device is None:
             zha_device = ZHADevice.new(self._hass, zigpy_device, self, restored)
             self._devices[zigpy_device.ieee] = zha_device
             device_registry_device = self.ha_device_registry.async_get_or_create(
@@ -649,8 +648,7 @@ class ZHAGateway:
 
     async def async_remove_zigpy_group(self, group_id: int) -> None:
         """Remove a Zigbee group from Zigpy."""
-        group = self.groups.get(group_id)
+        if not (group := self.groups.get(group_id)):
-        if not group:
             _LOGGER.debug("Group: %s:0x%04x could not be found", group.name, group_id)
             return
         if group.members:

homeassistant/components/zha/core/helpers.py

@@ -167,8 +167,7 @@ async def async_get_zha_device(hass, device_id):
 def find_state_attributes(states: list[State], key: str) -> Iterator[Any]:
     """Find attributes with matching key from states."""
     for state in states:
-        value = state.attributes.get(key)
+        if (value := state.attributes.get(key)) is not None:
-        if value is not None:
             yield value
 
 

homeassistant/components/zha/core/store.py

@@ -131,9 +131,7 @@ class ZhaStorage:
 @bind_hass
 async def async_get_registry(hass: HomeAssistant) -> ZhaStorage:
     """Return zha device storage instance."""
-    task = hass.data.get(DATA_REGISTRY)
+    if (task := hass.data.get(DATA_REGISTRY)) is None:
-
-    if task is None:
 
         async def _load_reg() -> ZhaStorage:
             registry = ZhaStorage(hass)

homeassistant/components/zha/light.py

@@ -481,8 +481,7 @@ class Light(BaseLight, ZhaEntity):
                 attributes, from_cache=False
             )
 
-            color_mode = results.get("color_mode")
+            if (color_mode := results.get("color_mode")) is not None:
-            if color_mode is not None:
                 if color_mode == LightColorMode.COLOR_TEMP:
                     color_temp = results.get("color_temperature")
                     if color_temp is not None and color_mode: