Improve zwave_js TypeVar usage (#117810)

* Improve zwave_js TypeVar usage

* Use underscore for TypeVar name

homeassistant/components/zwave_js/discovery_data_template.py

@@ -4,8 +4,9 @@ from __future__ import annotations
 
 from collections.abc import Iterable, Mapping
 from dataclasses import dataclass, field
+from enum import Enum
 import logging
-from typing import Any, TypeVar, cast
+from typing import Any, cast
 
 from zwave_js_server.const import CommandClass
 from zwave_js_server.const.command_class.energy_production import (
@@ -357,22 +358,12 @@ class NumericSensorDataTemplateData:
     unit_of_measurement: str | None = None
 
 
-T = TypeVar(
-    "T",
-    MultilevelSensorType,
-    MultilevelSensorScaleType,
-    MeterScaleType,
-    EnergyProductionParameter,
-    EnergyProductionScaleType,
-)
-
-
 class NumericSensorDataTemplate(BaseDiscoverySchemaDataTemplate):
     """Data template class for Z-Wave Sensor entities."""
 
     @staticmethod
-    def find_key_from_matching_set(
-        enum_value: T, set_map: Mapping[str, list[T]]
+    def find_key_from_matching_set[_T: Enum](
+        enum_value: _T, set_map: Mapping[str, list[_T]]
     ) -> str | None:
         """Find a key in a set map that matches a given enum value."""
         for key, value_set in set_map.items():

homeassistant/components/zwave_js/services.py

@@ -3,10 +3,10 @@
 from __future__ import annotations
 
 import asyncio
-from collections.abc import Generator, Sequence
+from collections.abc import Collection, Generator, Sequence
 import logging
 import math
-from typing import Any, TypeVar
+from typing import Any
 
 import voluptuous as vol
 from zwave_js_server.client import Client as ZwaveClient
@@ -46,7 +46,7 @@ from .helpers import (
 
 _LOGGER = logging.getLogger(__name__)
 
-T = TypeVar("T", ZwaveNode, Endpoint)
+type _NodeOrEndpointType = ZwaveNode | Endpoint
 
 
 def parameter_name_does_not_need_bitmask(
@@ -81,9 +81,9 @@ def broadcast_command(val: dict[str, Any]) -> dict[str, Any]:
     )
 
 
-def get_valid_responses_from_results(
-    zwave_objects: Sequence[T], results: Sequence[Any]
-) -> Generator[tuple[T, Any], None, None]:
+def get_valid_responses_from_results[_T: ZwaveNode | Endpoint](
+    zwave_objects: Sequence[_T], results: Sequence[Any]
+) -> Generator[tuple[_T, Any], None, None]:
     """Return valid responses from a list of results."""
     for zwave_object, result in zip(zwave_objects, results, strict=False):
         if not isinstance(result, Exception):
@@ -91,10 +91,10 @@ def get_valid_responses_from_results(
 
 
 def raise_exceptions_from_results(
-    zwave_objects: Sequence[T], results: Sequence[Any]
+    zwave_objects: Sequence[_NodeOrEndpointType], results: Sequence[Any]
 ) -> None:
     """Raise list of exceptions from a list of results."""
-    errors: Sequence[tuple[T, Any]]
+    errors: Sequence[tuple[_NodeOrEndpointType, Any]]
     if errors := [
         tup
         for tup in zip(zwave_objects, results, strict=True)
@@ -112,7 +112,7 @@ def raise_exceptions_from_results(
 
 
 async def _async_invoke_cc_api(
-    nodes_or_endpoints: set[T],
+    nodes_or_endpoints: Collection[_NodeOrEndpointType],
     command_class: CommandClass,
     method_name: str,
     *args: Any,
@@ -561,7 +561,7 @@ class ZWaveServices:
         )
 
         def process_results(
-            nodes_or_endpoints_list: list[T], _results: list[Any]
+            nodes_or_endpoints_list: Sequence[_NodeOrEndpointType], _results: list[Any]
         ) -> None:
             """Process results for given nodes or endpoints."""
             for node_or_endpoint, result in get_valid_responses_from_results(