From 73ccd0d310f4e33b9ac252b97c537ce3139e3358 Mon Sep 17 00:00:00 2001
From: Marc Mueller <30130371+cdce8p@users.noreply.github.com>
Date: Mon, 1 Jan 2024 21:12:29 +0100
Subject: [PATCH] Enable strict typing for arcam_fmj (#106837)

---
 .strict-typing                                     |  1 +
 homeassistant/components/arcam_fmj/media_player.py | 12 +++++++++---
 mypy.ini                                           | 10 ++++++++++
 3 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/.strict-typing b/.strict-typing
index 765f429e5e3..8638cacbc22 100644
--- a/.strict-typing
+++ b/.strict-typing
@@ -78,6 +78,7 @@ homeassistant.components.aprs.*
 homeassistant.components.aqualogic.*
 homeassistant.components.aquostv.*
 homeassistant.components.aranet.*
+homeassistant.components.arcam_fmj.*
 homeassistant.components.arris_tg2492lg.*
 homeassistant.components.aruba.*
 homeassistant.components.aseko_pool_live.*
diff --git a/homeassistant/components/arcam_fmj/media_player.py b/homeassistant/components/arcam_fmj/media_player.py
index 12114ec04b8..7c4ec280101 100644
--- a/homeassistant/components/arcam_fmj/media_player.py
+++ b/homeassistant/components/arcam_fmj/media_player.py
@@ -1,9 +1,10 @@
 """Arcam media player."""
 from __future__ import annotations
 
+from collections.abc import Callable, Coroutine
 import functools
 import logging
-from typing import Any
+from typing import Any, ParamSpec, TypeVar
 
 from arcam.fmj import ConnectionFailed, SourceCodes
 from arcam.fmj.state import State
@@ -34,6 +35,9 @@ from .const import (
     SIGNAL_CLIENT_STOPPED,
 )
 
+_R = TypeVar("_R")
+_P = ParamSpec("_P")
+
 _LOGGER = logging.getLogger(__name__)
 
 
@@ -59,11 +63,13 @@ async def async_setup_entry(
     )
 
 
-def convert_exception(func):
+def convert_exception(
+    func: Callable[_P, Coroutine[Any, Any, _R]],
+) -> Callable[_P, Coroutine[Any, Any, _R]]:
     """Return decorator to convert a connection error into a home assistant error."""
 
     @functools.wraps(func)
-    async def _convert_exception(*args, **kwargs):
+    async def _convert_exception(*args: _P.args, **kwargs: _P.kwargs) -> _R:
         try:
             return await func(*args, **kwargs)
         except ConnectionFailed as exception:
diff --git a/mypy.ini b/mypy.ini
index 1c8158066ce..e79f005a6a8 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -540,6 +540,16 @@ disallow_untyped_defs = true
 warn_return_any = true
 warn_unreachable = true
 
+[mypy-homeassistant.components.arcam_fmj.*]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+warn_return_any = true
+warn_unreachable = true
+
 [mypy-homeassistant.components.arris_tg2492lg.*]
 check_untyped_defs = true
 disallow_incomplete_defs = true