Fix Aranet failure when the Bluetooth proxy is not providing a device name (#115298)

Co-authored-by: J. Nick Koston <nick@koston.org>

homeassistant/components/aranet/config_flow.py

@@ -2,10 +2,10 @@
 
 from __future__ import annotations
 
-import logging
 from typing import Any
 
 from aranet4.client import Aranet4Advertisement, Version as AranetVersion
+from bluetooth_data_tools import human_readable_name
 import voluptuous as vol
 
 from homeassistant.components.bluetooth import (
@@ -18,11 +18,15 @@ from homeassistant.data_entry_flow import AbortFlow
 
 from .const import DOMAIN
 
-_LOGGER = logging.getLogger(__name__)
-
 MIN_VERSION = AranetVersion(1, 2, 0)
 
 
+def _title(discovery_info: BluetoothServiceInfoBleak) -> str:
+    return discovery_info.device.name or human_readable_name(
+        None, "Aranet", discovery_info.address
+    )
+
+
 class AranetConfigFlow(ConfigFlow, domain=DOMAIN):
     """Handle a config flow for Aranet."""
 
@@ -61,11 +65,8 @@ class AranetConfigFlow(ConfigFlow, domain=DOMAIN):
         self, user_input: dict[str, Any] | None = None
     ) -> ConfigFlowResult:
         """Confirm discovery."""
-        assert self._discovered_device is not None
-        adv = self._discovered_device
         assert self._discovery_info is not None
-        discovery_info = self._discovery_info
-        title = adv.readings.name if adv.readings else discovery_info.name
+        title = _title(self._discovery_info)
         if user_input is not None:
             return self.async_create_entry(title=title, data={})
 
@@ -101,10 +102,7 @@ class AranetConfigFlow(ConfigFlow, domain=DOMAIN):
                 discovery_info.device, discovery_info.advertisement
             )
             if adv.manufacturer_data:
-                self._discovered_devices[address] = (
-                    adv.readings.name if adv.readings else discovery_info.name,
-                    adv,
-                )
+                self._discovered_devices[address] = (_title(discovery_info), adv)
 
         if not self._discovered_devices:
             return self.async_abort(reason="no_devices_found")