Allow importing homeassistant.core.Config until 2025.11 (#129537)

homeassistant/core.py

@@ -83,6 +83,7 @@ from .exceptions import (
     Unauthorized,
 )
 from .helpers.deprecation import (
+    DeferredDeprecatedAlias,
     DeprecatedConstantEnum,
     EnumWithDeprecatedMembers,
     all_with_deprecated_constants,
@@ -184,6 +185,19 @@ _DEPRECATED_SOURCE_STORAGE = DeprecatedConstantEnum(ConfigSource.STORAGE, "2025.
 _DEPRECATED_SOURCE_YAML = DeprecatedConstantEnum(ConfigSource.YAML, "2025.1")
 
 
+def _deprecated_core_config() -> Any:
+    # pylint: disable-next=import-outside-toplevel
+    from . import core_config
+
+    return core_config.Config
+
+
+# The Config class was moved to core_config in Home Assistant 2024.11
+_DEPRECATED_Config = DeferredDeprecatedAlias(
+    _deprecated_core_config, "homeassistant.core_config.Config", "2025.11"
+)
+
+
 # How long to wait until things that run on startup have to finish.
 TIMEOUT_EVENT_START = 15
 

tests/test_core.py

@@ -48,6 +48,7 @@ from homeassistant.core import (
     callback,
     get_release_channel,
 )
+from homeassistant.core_config import Config
 from homeassistant.exceptions import (
     HomeAssistantError,
     InvalidEntityFormatError,
@@ -66,6 +67,7 @@ from .common import (
     async_capture_events,
     async_mock_service,
     help_test_all,
+    import_and_test_deprecated_alias,
     import_and_test_deprecated_constant_enum,
 )
 
@@ -2994,6 +2996,11 @@ def test_deprecated_constants(
     import_and_test_deprecated_constant_enum(caplog, ha, enum, "SOURCE_", "2025.1")
 
 
+def test_deprecated_config(caplog: pytest.LogCaptureFixture) -> None:
+    """Test deprecated Config class."""
+    import_and_test_deprecated_alias(caplog, ha, "Config", Config, "2025.11")
+
+
 def test_one_time_listener_repr(hass: HomeAssistant) -> None:
     """Test one time listener repr."""