String formatting improvements (#33653)

homeassistant/components/calendar/__init__.py

@@ -86,7 +86,7 @@ def calculate_offset(event, offset):
     summary = event.get("summary", "")
     # check if we have an offset tag in the message
     # time is HH:MM or MM
-    reg = "{}([+-]?[0-9]{{0,2}}(:[0-9]{{0,2}})?)".format(offset)
+    reg = f"{offset}([+-]?[0-9]{{0,2}}(:[0-9]{{0,2}})?)"
     search = re.search(reg, summary)
     if search and search.group(1):
         time = search.group(1)
@@ -94,7 +94,7 @@ def calculate_offset(event, offset):
             if time[0] == "+" or time[0] == "-":
                 time = "{}0:{}".format(time[0], time[1:])
             else:
-                time = "0:{}".format(time)
+                time = f"0:{time}"
 
         offset_time = time_period_str(time)
         summary = (summary[: search.start()] + summary[search.end() :]).strip()

homeassistant/components/nsw_fuel_station/sensor.py

@@ -156,7 +156,7 @@ class StationPriceSensor(Entity):
     @property
     def name(self) -> str:
         """Return the name of the sensor."""
-        return "{} {}".format(self._station_data.get_station_name(), self._fuel_type)
+        return f"{self._station_data.get_station_name()} {self._fuel_type}"
 
     @property
     def state(self) -> Optional[float]:

homeassistant/components/ohmconnect/sensor.py

@@ -66,7 +66,7 @@ class OhmconnectSensor(Entity):
     def update(self):
         """Get the latest data from OhmConnect."""
         try:
-            url = "https://login.ohmconnect.com/verify-ohm-hour/{}".format(self._ohmid)
+            url = f"https://login.ohmconnect.com/verify-ohm-hour/{self._ohmid}"
             response = requests.get(url, timeout=10)
             root = ET.fromstring(response.text)
 

homeassistant/components/osramlightify/light.py

@@ -404,7 +404,7 @@ class OsramLightifyGroup(Luminary):
         #       It should be something like "<gateway host>-<group.idx()>"
         #       For now keeping it as is for backward compatibility with existing
         #       users.
-        return "{}".format(self._luminary.lights())
+        return f"{self._luminary.lights()}"
 
     def _get_supported_features(self):
         """Get list of supported features."""

homeassistant/components/plugwise/climate.py

@@ -209,7 +209,7 @@ class ThermostatDevice(ClimateDevice):
             preset_temperature = presets.get(self._preset_mode, "none")
             if self.hvac_mode == HVAC_MODE_AUTO:
                 if self._thermostat_temperature == self._schedule_temperature:
-                    return "{}".format(self._selected_schema)
+                    return f"{self._selected_schema}"
                 if self._thermostat_temperature == preset_temperature:
                     return self._preset_mode
                 return "Temporary"

homeassistant/components/point/__init__.py

@@ -319,7 +319,7 @@ class MinutPointEntity(Entity):
     @property
     def name(self):
         """Return the display name of this device."""
-        return "{} {}".format(self._name, self.device_class.capitalize())
+        return f"{self._name} {self.device_class.capitalize()}"
 
     @property
     def is_updated(self):

homeassistant/components/rainbird/switch.py

@@ -45,10 +45,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
             name = zone_config.get(CONF_FRIENDLY_NAME)
             devices.append(
                 RainBirdSwitch(
-                    controller,
-                    zone,
-                    time,
-                    name if name else "Sprinkler {}".format(zone),
+                    controller, zone, time, name if name else f"Sprinkler {zone}",
                 )
             )
 

homeassistant/components/splunk/__init__.py

@@ -80,8 +80,8 @@ def setup(hass, config):
     else:
         uri_scheme = "http://"
 
-    event_collector = "{}{}:{}/services/collector/event".format(uri_scheme, host, port)
-    headers = {AUTHORIZATION: "Splunk {}".format(token)}
+    event_collector = f"{uri_scheme}{host}:{port}/services/collector/event"
+    headers = {AUTHORIZATION: f"Splunk {token}"}
 
     def splunk_event_listener(event):
         """Listen for new messages on the bus and sends them to Splunk."""

homeassistant/components/tellstick/sensor.py

@@ -93,9 +93,9 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
             id_ = named_sensor[CONF_ID]
             if proto is not None:
                 if model is not None:
-                    named_sensors["{}{}{}".format(proto, model, id_)] = name
+                    named_sensors[f"{proto}{model}{id_}"] = name
                 else:
-                    named_sensors["{}{}".format(proto, id_)] = name
+                    named_sensors[f"{proto}{id_}"] = name
             else:
                 named_sensors[id_] = name
 
@@ -103,7 +103,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
         if not config[CONF_ONLY_NAMED]:
             sensor_name = str(tellcore_sensor.id)
         else:
-            proto_id = "{}{}".format(tellcore_sensor.protocol, tellcore_sensor.id)
+            proto_id = f"{tellcore_sensor.protocol}{tellcore_sensor.id}"
             proto_model_id = "{}{}{}".format(
                 tellcore_sensor.protocol, tellcore_sensor.model, tellcore_sensor.id
             )

homeassistant/components/tensorflow/image_processing.py

@@ -258,7 +258,7 @@ class TensorFlowImageProcessor(ImageProcessingEntity):
                 1,
                 1,
             ]:
-                label = "{} Detection Area".format(category.capitalize())
+                label = f"{category.capitalize()} Detection Area"
                 draw_box(
                     draw,
                     self._category_areas[category],

homeassistant/components/tibber/sensor.py

@@ -109,7 +109,7 @@ class TibberSensorElPrice(TibberSensor):
     @property
     def name(self):
         """Return the name of the sensor."""
-        return "Electricity price {}".format(self._name)
+        return f"Electricity price {self._name}"
 
     @property
     def icon(self):
@@ -179,7 +179,7 @@ class TibberSensorRT(TibberSensor):
     @property
     def name(self):
         """Return the name of the sensor."""
-        return "Real time consumption {}".format(self._name)
+        return f"Real time consumption {self._name}"
 
     @property
     def should_poll(self):

homeassistant/components/tuya/__init__.py

@@ -134,7 +134,7 @@ class TuyaDevice(Entity):
     @property
     def unique_id(self):
         """Return a unique ID."""
-        return "tuya.{}".format(self.tuya.object_id())
+        return f"tuya.{self.tuya.object_id()}"
 
     @property
     def name(self):

homeassistant/components/wink/__init__.py

@@ -762,7 +762,7 @@ class WinkDevice(Entity):
     def unique_id(self):
         """Return the unique id of the Wink device."""
         if hasattr(self.wink, "capability") and self.wink.capability() is not None:
-            return "{}_{}".format(self.wink.object_id(), self.wink.capability())
+            return f"{self.wink.object_id()}_{self.wink.capability()}"
         return self.wink.object_id()
 
     @property

homeassistant/components/wirelesstag/__init__.py

@@ -130,7 +130,7 @@ class WirelessTagPlatform:
     def local_base_url(self):
         """Define base url of hass in local network."""
         if self._local_base_url is None:
-            self._local_base_url = "http://{}".format(util.get_local_ip())
+            self._local_base_url = f"http://{util.get_local_ip()}"
 
             port = self.hass.config.api.port
             if port is not None:
@@ -198,7 +198,7 @@ def setup(hass, config):
     except (ConnectTimeout, HTTPError, WirelessTagsException) as ex:
         _LOGGER.error("Unable to connect to wirelesstag.net service: %s", str(ex))
         hass.components.persistent_notification.create(
-            "Error: {}<br />Please restart hass after fixing this.".format(ex),
+            f"Error: {ex}<br />Please restart hass after fixing this.",
             title=NOTIFICATION_TITLE,
             notification_id=NOTIFICATION_ID,
         )

homeassistant/scripts/keyring.py

@@ -39,7 +39,7 @@ def run(args):
         print(f"Active keyring  : {keyr.__module__}")
         config_name = os.path.join(platform.config_root(), "keyringrc.cfg")
         print(f"Config location : {config_name}")
-        print("Data location   : {}\n".format(platform.data_root()))
+        print(f"Data location   : {platform.data_root()}\n")
     elif args.name is None:
         parser.print_help()
         return 1