Add websocket type hints in lovelace (#80537)

homeassistant/components/lovelace/websocket.py

@@ -1,23 +1,31 @@
 """Websocket API for Lovelace."""
+from __future__ import annotations
+
 from functools import wraps
+from typing import Any
 
 import voluptuous as vol
 
 from homeassistant.components import websocket_api
-from homeassistant.core import callback
+from homeassistant.core import HomeAssistant, callback
 from homeassistant.exceptions import HomeAssistantError
 from homeassistant.helpers import config_validation as cv
 
 from .const import CONF_URL_PATH, DOMAIN, ConfigNotFound
+from .dashboard import LovelaceStorage
 
 
 def _handle_errors(func):
     """Handle error with WebSocket calls."""
 
     @wraps(func)
-    async def send_with_error_handling(hass, connection, msg):
+    async def send_with_error_handling(
+        hass: HomeAssistant,
+        connection: websocket_api.ActiveConnection,
+        msg: dict[str, Any],
+    ) -> None:
         url_path = msg.get(CONF_URL_PATH)
-        config = hass.data[DOMAIN]["dashboards"].get(url_path)
+        config: LovelaceStorage | None = hass.data[DOMAIN]["dashboards"].get(url_path)
 
         if config is None:
             connection.send_error(
@@ -44,7 +52,11 @@ def _handle_errors(func):
 
 @websocket_api.websocket_command({"type": "lovelace/resources"})
 @websocket_api.async_response
-async def websocket_lovelace_resources(hass, connection, msg):
+async def websocket_lovelace_resources(
+    hass: HomeAssistant,
+    connection: websocket_api.ActiveConnection,
+    msg: dict[str, Any],
+) -> None:
     """Send Lovelace UI resources over WebSocket configuration."""
     resources = hass.data[DOMAIN]["resources"]
 
@@ -64,7 +76,12 @@ async def websocket_lovelace_resources(hass, connection, msg):
 )
 @websocket_api.async_response
 @_handle_errors
-async def websocket_lovelace_config(hass, connection, msg, config):
+async def websocket_lovelace_config(
+    hass: HomeAssistant,
+    connection: websocket_api.ActiveConnection,
+    msg: dict[str, Any],
+    config: LovelaceStorage,
+) -> None:
     """Send Lovelace UI config over WebSocket configuration."""
     return await config.async_load(msg["force"])
 
@@ -79,7 +96,12 @@ async def websocket_lovelace_config(hass, connection, msg, config):
 )
 @websocket_api.async_response
 @_handle_errors
-async def websocket_lovelace_save_config(hass, connection, msg, config):
+async def websocket_lovelace_save_config(
+    hass: HomeAssistant,
+    connection: websocket_api.ActiveConnection,
+    msg: dict[str, Any],
+    config: LovelaceStorage,
+) -> None:
     """Save Lovelace UI configuration."""
     await config.async_save(msg["config"])
 
@@ -93,14 +115,23 @@ async def websocket_lovelace_save_config(hass, connection, msg, config):
 )
 @websocket_api.async_response
 @_handle_errors
-async def websocket_lovelace_delete_config(hass, connection, msg, config):
+async def websocket_lovelace_delete_config(
+    hass: HomeAssistant,
+    connection: websocket_api.ActiveConnection,
+    msg: dict[str, Any],
+    config: LovelaceStorage,
+) -> None:
     """Delete Lovelace UI configuration."""
     await config.async_delete()
 
 
 @websocket_api.websocket_command({"type": "lovelace/dashboards/list"})
 @callback
-def websocket_lovelace_dashboards(hass, connection, msg):
+def websocket_lovelace_dashboards(
+    hass: HomeAssistant,
+    connection: websocket_api.ActiveConnection,
+    msg: dict[str, Any],
+) -> None:
     """Delete Lovelace UI configuration."""
     connection.send_result(
         msg["id"],