Update mypy to 2.2.0 (#175924)

homeassistant/components/apple_tv/media_player.py

@@ -204,7 +204,7 @@ class AppleTvMediaPlayer(
                 return MediaPlayerState.PLAYING
             if state in (DeviceState.Paused, DeviceState.Seeking, DeviceState.Stopped):
                 return MediaPlayerState.PAUSED
-            return MediaPlayerState.IDLE  # Bad or unknown state?
+            return MediaPlayerState.IDLE  # type: ignore[unreachable]  # Bad or unknown state?
         return None
 
     @callback

homeassistant/components/conversation/trigger.py

@@ -151,8 +151,7 @@ async def async_attach_trigger(
             if isinstance(
                 automation_result, ScriptRunResult
             ) and automation_result.conversation_response not in (None, UNDEFINED):
-                # mypy does not understand the type narrowing, unclear why
-                return automation_result.conversation_response  # type: ignore[return-value]
+                return automation_result.conversation_response
 
         # It's important to return None here instead of a string.
         #

homeassistant/components/home_connect/const.py

@@ -104,7 +104,7 @@ TRANSLATION_KEYS_PROGRAMS_MAP = {
     if program not in (ProgramKey.UNKNOWN, *FAVORITE_PROGRAMS)
 }
 
-PROGRAMS_TRANSLATION_KEYS_MAP = {
+PROGRAMS_TRANSLATION_KEYS_MAP: dict[ProgramKey, str] = {
     value: key for key, value in TRANSLATION_KEYS_PROGRAMS_MAP.items()
 }
 

homeassistant/components/http/__init__.py

@@ -471,7 +471,7 @@ class HomeAssistantHTTP:
         async def redirect(request: web.Request) -> web.StreamResponse:
             """Redirect to location."""
             # Should be instance of aiohttp.web_exceptions._HTTPMove.
-            raise redirect_exc(redirect_to)  # type: ignore[arg-type,misc]
+            raise redirect_exc(redirect_to)  # type: ignore[arg-type,call-arg]
 
         self.app[KEY_ALLOW_CONFIGURED_CORS](
             self.app.router.add_route("GET", url, redirect)

homeassistant/components/lcn/device_trigger.py

@@ -1,5 +1,7 @@
 """Provides device triggers for LCN."""
 
+from typing import Any
+
 import voluptuous as vol
 
 from homeassistant.components.device_automation import DEVICE_TRIGGER_BASE_SCHEMA
@@ -75,7 +77,7 @@ async def async_attach_trigger(
     trigger_info: TriggerInfo,
 ) -> CALLBACK_TYPE:
     """Attach a trigger."""
-    event_data = {
+    event_data: dict[str, Any] = {
         CONF_DEVICE_ID: config[CONF_DEVICE_ID],
         **{
             key: config[key]

homeassistant/components/mcp_server/http.py

@@ -118,6 +118,11 @@ class Streams:
 @asynccontextmanager
 async def create_streams() -> AsyncGenerator[Streams]:
     """Create a new pair of streams for MCP server communication."""
+    read_stream: MemoryObjectReceiveStream[SessionMessage | Exception]
+    read_stream_writer: MemoryObjectSendStream[SessionMessage | Exception]
+    write_stream: MemoryObjectSendStream[SessionMessage]
+    write_stream_reader: MemoryObjectReceiveStream[SessionMessage]
+
     read_stream_writer, read_stream = anyio.create_memory_object_stream(0)
     write_stream, write_stream_reader = anyio.create_memory_object_stream(0)
     streams = Streams(

homeassistant/components/unifiprotect/utils.py

@@ -56,7 +56,7 @@ def _async_short_mac(mac: str) -> str:
     return _async_unifi_mac_from_hass(mac)[-6:]
 
 
-async def _async_resolve(hass: HomeAssistant, host: str) -> str | None:
+async def _async_resolve(hass: HomeAssistant, host: str) -> str | int | None:
     """Resolve a hostname to an ip."""
     with contextlib.suppress(OSError):
         return next(

homeassistant/components/zwave_js/climate.py

@@ -557,7 +557,7 @@ class ZWaveClimate(ZWaveBaseEntity, ClimateEntity):
         # and cool to mirror previous behavior. If none of those are available, set it
         # to the first available mode that is not off.
         try:
-            hvac_mode = next(
+            hvac_mode: HVACMode = next(
                 mode
                 for mode in (HVACMode.HEAT_COOL, HVACMode.HEAT, HVACMode.COOL)
                 if mode in self._hvac_modes

homeassistant/runner.py

@@ -18,7 +18,7 @@ import threading
 import time
 from time import monotonic
 import traceback
-from typing import Any
+from typing import Any, override
 
 import packaging.tags
 
@@ -173,7 +173,7 @@ class RuntimeConfig:
     safe_mode: bool = False
 
 
-class HassEventLoopPolicy(asyncio.DefaultEventLoopPolicy):  # type: ignore[name-defined,misc]
+class HassEventLoopPolicy(asyncio.DefaultEventLoopPolicy):
     """Event loop policy for Home Assistant."""
 
     def __init__(self, debug: bool) -> None:
@@ -184,8 +184,9 @@ class HassEventLoopPolicy(asyncio.DefaultEventLoopPolicy):  # type: ignore[name-
     @property
     def loop_name(self) -> str:
         """Return name of the loop."""
-        return self._loop_factory.__name__  # type: ignore[no-any-return]
+        return self._loop_factory.__name__  # type: ignore[attr-defined,no-any-return]
 
+    @override
     def new_event_loop(self) -> asyncio.AbstractEventLoop:
         """Get the event loop."""
         loop: asyncio.AbstractEventLoop = super().new_event_loop()

requirements_test.txt

@@ -8,15 +8,15 @@
 -c homeassistant/package_constraints.txt
 -r requirements_test_pre_commit.txt
 # ast-serialize is an internal mypy dependency
-ast-serialize==0.3.0
+ast-serialize==0.6.0
 astroid==4.0.4
 coverage==7.14.3
 freezegun==1.5.5
 # librt is an internal mypy dependency
-librt==0.11.0
+librt==0.12.0
 license-expression==30.4.3
 mock-open==1.4.0
-mypy==2.1.0
+mypy==2.2.0
 prek==0.2.28
 pydantic==2.13.4
 PyGithub==2.9.1