Add strict typing for WLED (#79822)

* Add strict typing for WLED

* Update backoff constraint

.strict-typing

@@ -285,6 +285,7 @@ homeassistant.components.websocket_api.*
 homeassistant.components.wemo.*
 homeassistant.components.whois.*
 homeassistant.components.wiz.*
+homeassistant.components.wled.*
 homeassistant.components.worldclock.*
 homeassistant.components.yale_smart_alarm.*
 homeassistant.components.zeroconf.*

homeassistant/components/wled/number.py

@@ -92,7 +92,7 @@ class WLEDNumber(WLEDEntity, NumberEntity):
     @property
     def native_value(self) -> float | None:
         """Return the current WLED segment number value."""
-        return getattr(
+        return getattr(  # type: ignore[no-any-return]
             self.coordinator.data.state.segments[self._segment],
             self.entity_description.key,
         )

homeassistant/package_constraints.txt

@@ -114,9 +114,8 @@ multidict>=6.0.2
 # https://github.com/home-assistant/core/pull/68176
 authlib<1.0
 
-# Pin backoff for compatibility until most libraries have been updated
-# https://github.com/home-assistant/core/pull/70817
-backoff<2.0
+# Version 2.0 added typing, prevent accidental fallbacks
+backoff>=2.0
 
 # Breaking change in version
 # https://github.com/samuelcolvin/pydantic/issues/4092

mypy.ini

@@ -2604,6 +2604,16 @@ disallow_untyped_defs = true
 warn_return_any = true
 warn_unreachable = true
 
+[mypy-homeassistant.components.wled.*]
+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.worldclock.*]
 check_untyped_defs = true
 disallow_incomplete_defs = true

script/gen_requirements_all.py

@@ -124,9 +124,8 @@ multidict>=6.0.2
 # https://github.com/home-assistant/core/pull/68176
 authlib<1.0
 
-# Pin backoff for compatibility until most libraries have been updated
-# https://github.com/home-assistant/core/pull/70817
-backoff<2.0
+# Version 2.0 added typing, prevent accidental fallbacks
+backoff>=2.0
 
 # Breaking change in version
 # https://github.com/samuelcolvin/pydantic/issues/4092