diff --git a/homeassistant/components/doods/image_processing.py b/homeassistant/components/doods/image_processing.py
index 3e41c1871bf..e4398a756ec 100644
--- a/homeassistant/components/doods/image_processing.py
+++ b/homeassistant/components/doods/image_processing.py
@@ -154,8 +154,7 @@ class Doods(ImageProcessingEntity):
                     continue
 
                 # If label confidence is not specified, use global confidence
-                label_confidence = label.get(CONF_CONFIDENCE)
-                if not label_confidence:
+                if not (label_confidence := label.get(CONF_CONFIDENCE)):
                     label_confidence = confidence
                 if label_name not in dconfig or dconfig[label_name] > label_confidence:
                     dconfig[label_name] = label_confidence
@@ -187,8 +186,7 @@ class Doods(ImageProcessingEntity):
         # Handle global detection area
         self._area = [0, 0, 1, 1]
         self._covers = True
-        area_config = config.get(CONF_AREA)
-        if area_config:
+        if area_config := config.get(CONF_AREA):
             self._area = [
                 area_config[CONF_TOP],
                 area_config[CONF_LEFT],
diff --git a/homeassistant/components/gpmdp/media_player.py b/homeassistant/components/gpmdp/media_player.py
index 0a26a514323..649e0283f5a 100644
--- a/homeassistant/components/gpmdp/media_player.py
+++ b/homeassistant/components/gpmdp/media_player.py
@@ -109,8 +109,7 @@ def request_configuration(hass, config, url, add_entities_callback):
                     "the desktop player and try again"
                 )
                 break
-            code = tmpmsg["payload"]
-            if code == "CODE_REQUIRED":
+            if (code := tmpmsg["payload"]) == "CODE_REQUIRED":
                 continue
             setup_gpmdp(hass, config, code, add_entities_callback)
             save_json(hass.config.path(GPMDP_CONFIG_FILE), {"CODE": code})
diff --git a/homeassistant/components/hisense_aehw4a1/climate.py b/homeassistant/components/hisense_aehw4a1/climate.py
index 23a3a0c1416..096b39bdbca 100644
--- a/homeassistant/components/hisense_aehw4a1/climate.py
+++ b/homeassistant/components/hisense_aehw4a1/climate.py
@@ -325,8 +325,7 @@ class ClimateAehW4a1(ClimateEntity):
                 "AC at %s is off, could not set temperature", self._unique_id
             )
             return
-        temp = kwargs.get(ATTR_TEMPERATURE)
-        if temp is not None:
+        if (temp := kwargs.get(ATTR_TEMPERATURE)) is not None:
             _LOGGER.debug("Setting temp of %s to %s", self._unique_id, temp)
             if self._preset_mode != PRESET_NONE:
                 await self.async_set_preset_mode(PRESET_NONE)
diff --git a/homeassistant/components/lifx/light.py b/homeassistant/components/lifx/light.py
index 48896cea8a5..b30315ac77d 100644
--- a/homeassistant/components/lifx/light.py
+++ b/homeassistant/components/lifx/light.py
@@ -166,8 +166,7 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
 async def async_setup_entry(hass, config_entry, async_add_entities):
     """Set up LIFX from a config entry."""
     # Priority 1: manual config
-    interfaces = hass.data[LIFX_DOMAIN].get(DOMAIN)
-    if not interfaces:
+    if not (interfaces := hass.data[LIFX_DOMAIN].get(DOMAIN)):
         # Priority 2: scanned interfaces
         lifx_ip_addresses = await aiolifx().LifxScan(hass.loop).scan()
         interfaces = [{CONF_SERVER: ip} for ip in lifx_ip_addresses]
@@ -251,17 +250,14 @@ class LIFXManager:
     def start_discovery(self, interface):
         """Start discovery on a network interface."""
         kwargs = {"discovery_interval": DISCOVERY_INTERVAL}
-        broadcast_ip = interface.get(CONF_BROADCAST)
-        if broadcast_ip:
+        if broadcast_ip := interface.get(CONF_BROADCAST):
             kwargs["broadcast_ip"] = broadcast_ip
         lifx_discovery = aiolifx().LifxDiscovery(self.hass.loop, self, **kwargs)
 
         kwargs = {}
-        listen_ip = interface.get(CONF_SERVER)
-        if listen_ip:
+        if listen_ip := interface.get(CONF_SERVER):
             kwargs["listen_ip"] = listen_ip
-        listen_port = interface.get(CONF_PORT)
-        if listen_port:
+        if listen_port := interface.get(CONF_PORT):
             kwargs["listen_port"] = listen_port
         lifx_discovery.start(**kwargs)
 
@@ -692,8 +688,7 @@ class LIFXStrip(LIFXColor):
         bulb = self.bulb
         num_zones = len(bulb.color_zones)
 
-        zones = kwargs.get(ATTR_ZONES)
-        if zones is None:
+        if (zones := kwargs.get(ATTR_ZONES)) is None:
             # Fast track: setting all zones to the same brightness and color
             # can be treated as a single-zone bulb.
             if hsbk[2] is not None and hsbk[3] is not None:
diff --git a/homeassistant/components/lightwave/__init__.py b/homeassistant/components/lightwave/__init__.py
index 73002908ff3..9cd73d8ffea 100644
--- a/homeassistant/components/lightwave/__init__.py
+++ b/homeassistant/components/lightwave/__init__.py
@@ -64,20 +64,17 @@ async def async_setup(hass, config):
     lwlink = LWLink(host)
     hass.data[LIGHTWAVE_LINK] = lwlink
 
-    lights = config[DOMAIN][CONF_LIGHTS]
-    if lights:
+    if lights := config[DOMAIN][CONF_LIGHTS]:
         hass.async_create_task(
             async_load_platform(hass, "light", DOMAIN, lights, config)
         )
 
-    switches = config[DOMAIN][CONF_SWITCHES]
-    if switches:
+    if switches := config[DOMAIN][CONF_SWITCHES]:
         hass.async_create_task(
             async_load_platform(hass, "switch", DOMAIN, switches, config)
         )
 
-    trv = config[DOMAIN][CONF_TRV]
-    if trv:
+    if trv := config[DOMAIN][CONF_TRV]:
         trvs = trv[CONF_TRVS]
         proxy_ip = trv[CONF_PROXY_IP]
         proxy_port = trv[CONF_PROXY_PORT]
diff --git a/homeassistant/components/lutron_caseta/__init__.py b/homeassistant/components/lutron_caseta/__init__.py
index 44e6e8761b1..4aefb2fb50e 100644
--- a/homeassistant/components/lutron_caseta/__init__.py
+++ b/homeassistant/components/lutron_caseta/__init__.py
@@ -193,8 +193,7 @@ def _async_merge_lip_leap_data(lip_devices, bridge):
         if leap_device_data is None:
             continue
         for key in ("type", "model", "serial"):
-            val = leap_device_data.get(key)
-            if val is not None:
+            if (val := leap_device_data.get(key)) is not None:
                 device[key] = val
 
     _LOGGER.debug("Button Devices: %s", button_devices_by_id)
diff --git a/homeassistant/components/lutron_caseta/device_trigger.py b/homeassistant/components/lutron_caseta/device_trigger.py
index 4e378942bd8..3d1d179eac1 100644
--- a/homeassistant/components/lutron_caseta/device_trigger.py
+++ b/homeassistant/components/lutron_caseta/device_trigger.py
@@ -220,9 +220,7 @@ async def async_validate_trigger_config(hass: HomeAssistant, config: ConfigType)
     if not device:
         return config
 
-    schema = DEVICE_TYPE_SCHEMA_MAP.get(device["type"])
-
-    if not schema:
+    if not (schema := DEVICE_TYPE_SCHEMA_MAP.get(device["type"])):
         raise InvalidDeviceAutomationConfig(
             f"Device type {device['type']} not supported: {config[CONF_DEVICE_ID]}"
         )
@@ -290,8 +288,7 @@ def get_button_device_by_dr_id(hass: HomeAssistant, device_id: str):
 
     for config_entry in hass.data[DOMAIN]:
         button_devices = hass.data[DOMAIN][config_entry][BUTTON_DEVICES]
-        device = button_devices.get(device_id)
-        if device:
+        if device := button_devices.get(device_id):
             return device
 
     return None
diff --git a/homeassistant/components/mediaroom/media_player.py b/homeassistant/components/mediaroom/media_player.py
index 9c0812af6e5..d85aee89463 100644
--- a/homeassistant/components/mediaroom/media_player.py
+++ b/homeassistant/components/mediaroom/media_player.py
@@ -75,11 +75,9 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 
 async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
     """Set up the Mediaroom platform."""
-    known_hosts = hass.data.get(DATA_MEDIAROOM)
-    if known_hosts is None:
+    if (known_hosts := hass.data.get(DATA_MEDIAROOM)) is None:
         known_hosts = hass.data[DATA_MEDIAROOM] = []
-    host = config.get(CONF_HOST)
-    if host:
+    if host := config.get(CONF_HOST):
         async_add_entities(
             [
                 MediaroomDevice(
@@ -90,18 +88,18 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
                 )
             ]
         )
-        hass.data[DATA_MEDIAROOM].append(host)
+        known_hosts.append(host)
 
     _LOGGER.debug("Trying to discover Mediaroom STB")
 
     def callback_notify(notify):
         """Process NOTIFY message from STB."""
-        if notify.ip_address in hass.data[DATA_MEDIAROOM]:
+        if notify.ip_address in known_hosts:
             dispatcher_send(hass, SIGNAL_STB_NOTIFY, notify)
             return
 
         _LOGGER.debug("Discovered new stb %s", notify.ip_address)
-        hass.data[DATA_MEDIAROOM].append(notify.ip_address)
+        known_hosts.append(notify.ip_address)
         new_stb = MediaroomDevice(
             host=notify.ip_address, device_id=notify.device_uuid, optimistic=False
         )
diff --git a/homeassistant/components/nuki/__init__.py b/homeassistant/components/nuki/__init__.py
index ea224612d82..99def8d4117 100644
--- a/homeassistant/components/nuki/__init__.py
+++ b/homeassistant/components/nuki/__init__.py
@@ -55,8 +55,7 @@ async def async_setup(hass, config):
     hass.data.setdefault(DOMAIN, {})
 
     for platform in PLATFORMS:
-        confs = config.get(platform)
-        if confs is None:
+        if (confs := config.get(platform)) is None:
             continue
 
         for conf in confs:
diff --git a/homeassistant/components/roon/media_browser.py b/homeassistant/components/roon/media_browser.py
index 0d744befb5c..2f132ee9d23 100644
--- a/homeassistant/components/roon/media_browser.py
+++ b/homeassistant/components/roon/media_browser.py
@@ -55,8 +55,7 @@ def item_payload(roon_server, item, list_image_id):
     """Create response payload for a single media item."""
 
     title = item["title"]
-    subtitle = item.get("subtitle")
-    if subtitle is None:
+    if (subtitle := item.get("subtitle")) is None:
         display_title = title
     else:
         display_title = f"{title} ({subtitle})"
@@ -123,8 +122,7 @@ def library_payload(roon_server, zone_id, media_content_id):
     header = result_header["list"]
     title = header.get("title")
 
-    subtitle = header.get("subtitle")
-    if subtitle is None:
+    if (subtitle := header.get("subtitle")) is None:
         list_title = title
     else:
         list_title = f"{title} ({subtitle})"
diff --git a/homeassistant/components/roon/media_player.py b/homeassistant/components/roon/media_player.py
index dd8d9e83c2d..0d7f736961f 100644
--- a/homeassistant/components/roon/media_player.py
+++ b/homeassistant/components/roon/media_player.py
@@ -552,8 +552,7 @@ class RoonDevice(MediaPlayerEntity):
             if output["display_name"] != self.name
         }
 
-        transfer_id = zone_ids.get(name)
-        if transfer_id is None:
+        if (transfer_id := zone_ids.get(name)) is None:
             _LOGGER.error(
                 "Can't transfer from %s to %s because destination is not known %s",
                 self.name,
diff --git a/homeassistant/components/somfy_mylink/config_flow.py b/homeassistant/components/somfy_mylink/config_flow.py
index ecbd9abd402..79fbf028b16 100644
--- a/homeassistant/components/somfy_mylink/config_flow.py
+++ b/homeassistant/components/somfy_mylink/config_flow.py
@@ -149,8 +149,7 @@ class OptionsFlowHandler(config_entries.OptionsFlow):
             return self.async_abort(reason="cannot_connect")
 
         if user_input is not None:
-            target_id = user_input.get(CONF_TARGET_ID)
-            if target_id:
+            if target_id := user_input.get(CONF_TARGET_ID):
                 return await self.async_step_target_config(None, target_id)
 
             return self.async_create_entry(title="", data=self.options)
diff --git a/homeassistant/components/sonos/__init__.py b/homeassistant/components/sonos/__init__.py
index aafcba744ea..5e02832b05a 100644
--- a/homeassistant/components/sonos/__init__.py
+++ b/homeassistant/components/sonos/__init__.py
@@ -121,8 +121,7 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     hosts = config.get(CONF_HOSTS, [])
     _LOGGER.debug("Reached async_setup_entry, config=%s", config)
 
-    advertise_addr = config.get(CONF_ADVERTISE_ADDR)
-    if advertise_addr:
+    if advertise_addr := config.get(CONF_ADVERTISE_ADDR):
         soco_config.EVENT_ADVERTISE_IP = advertise_addr
 
     if deprecated_address := config.get(CONF_INTERFACE_ADDR):
diff --git a/homeassistant/components/steam_online/sensor.py b/homeassistant/components/steam_online/sensor.py
index 18f7c6cc447..71f25afe69f 100644
--- a/homeassistant/components/steam_online/sensor.py
+++ b/homeassistant/components/steam_online/sensor.py
@@ -145,13 +145,10 @@ class SteamSensor(SensorEntity):
 
     def _get_current_game(self):
         """Gather current game name from APP ID."""
-        game_id = self._profile.current_game[0]
-        game_extra_info = self._profile.current_game[2]
-
-        if game_extra_info:
+        if game_extra_info := self._profile.current_game[2]:
             return game_extra_info
 
-        if not game_id:
+        if not (game_id := self._profile.current_game[0]):
             return None
 
         app_list = self.hass.data[APP_LIST_KEY]
@@ -174,8 +171,7 @@ class SteamSensor(SensorEntity):
         return repr(game_id)
 
     def _get_game_info(self):
-        game_id = self._profile.current_game[0]
-        if game_id is not None:
+        if (game_id := self._profile.current_game[0]) is not None:
 
             for game in self._owned_games["response"]["games"]:
                 if game["appid"] == game_id: