Migrate google_mail off hass.data[DOMAIN] to entry.runtime_data / typed storage (#177949)

homeassistant/components/google_mail/__init__.py

@@ -1,5 +1,4 @@
 """Support for Google Mail."""
-# pylint: disable=home-assistant-use-runtime-data  # Uses legacy hass.data[DOMAIN] pattern
 
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_NAME, Platform
@@ -26,7 +25,7 @@ CONFIG_SCHEMA = cv.config_entry_only_config_schema(DOMAIN)
 
 async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Set up the Google Mail integration."""
-    hass.data.setdefault(DOMAIN, {})[DATA_HASS_CONFIG] = config
+    hass.data[DATA_HASS_CONFIG] = config
 
     async_setup_services(hass)
 
@@ -53,9 +52,7 @@ async def async_setup_entry(hass: HomeAssistant, entry: GoogleMailConfigEntry) -
             Platform.NOTIFY,
             DOMAIN,
             {DATA_AUTH: auth, CONF_NAME: entry.title},
-            # Uses legacy hass.data[DOMAIN] pattern
-            # pylint: disable-next=home-assistant-use-runtime-data
-            hass.data[DOMAIN][DATA_HASS_CONFIG],
+            hass.data[DATA_HASS_CONFIG],
         )
     )
 

homeassistant/components/google_mail/const.py

@@ -1,5 +1,9 @@
 """Constants for Google Mail integration."""
 
+from typing import Any
+
+from homeassistant.util.hass_dict import HassKey
+
 ATTR_BCC = "bcc"
 ATTR_CC = "cc"
 ATTR_ENABLED = "enabled"
@@ -16,7 +20,9 @@ ATTR_START = "start"
 ATTR_TITLE = "title"
 
 DATA_AUTH = "auth"
-DATA_HASS_CONFIG = "hass_config"
+# Domain-level root HA config for legacy notify platform discovery.
+# Not per config entry — entries store auth on entry.runtime_data.
+DATA_HASS_CONFIG: HassKey[dict[str, Any]] = HassKey("google_mail_hass_config")
 DEFAULT_ACCESS = [
     "https://www.googleapis.com/auth/gmail.compose",
     "https://www.googleapis.com/auth/gmail.settings.basic",