Rename to singleton

Author: balloob

homeassistant/helpers/device_registry.py

@@ -9,7 +9,7 @@
 from homeassistant.core import callback
 from homeassistant.loader import bind_hass
 
-from .call_coordinator import cache_per_instance
+from .singleton import singleton
 from .typing import HomeAssistantType
 
 # mypy: allow-untyped-calls, allow-untyped-defs, no-check-untyped-defs
@@ -356,7 +356,7 @@ def async_clear_area_id(self, area_id: str) -> None:
 
 
 @bind_hass
-@cache_per_instance(DATA_REGISTRY)
+@singleton(DATA_REGISTRY)
 async def async_get_registry(hass: HomeAssistantType) -> DeviceRegistry:
     """Create entity registry."""
     reg = DeviceRegistry(hass)

homeassistant/helpers/entity_registry.py

@@ -38,7 +38,7 @@
 from homeassistant.util import slugify
 from homeassistant.util.yaml import load_yaml
 
-from .call_coordinator import cache_per_instance
+from .singleton import singleton
 from .typing import HomeAssistantType
 
 if TYPE_CHECKING:
@@ -492,7 +492,7 @@ def async_clear_config_entry(self, config_entry: str) -> None:
 
 
 @bind_hass
-@cache_per_instance(DATA_REGISTRY)
+@singleton(DATA_REGISTRY)
 async def async_get_registry(hass: HomeAssistantType) -> EntityRegistry:
     """Create entity registry."""
     reg = EntityRegistry(hass)

homeassistant/helpers/call_coordinator.py homeassistant/helpers/singleton.pyhomeassistant/helpers/call_coordinator.py renamed to homeassistant/helpers/singleton.py

@@ -10,7 +10,7 @@
 FUNC = Callable[[HomeAssistant], Awaitable[T]]
 
 
-def cache_per_instance(data_key: str) -> Callable[[FUNC], FUNC]:
+def singleton(data_key: str) -> Callable[[FUNC], FUNC]:
     """Decorate a function that should be called once per instance.
 
     Result will be cached and simultaneous calls will be handled.