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Improve docstring for async_get_device_class_lookup (#52921)

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Erik Montnemery 2021-07-13 10:55:18 +02:00 committed by GitHub
parent 30def802fc
commit 3408912ded
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1 changed files with 8 additions and 2 deletions
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10
homeassistant/helpers/entity_registry.py
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@ -160,8 +160,14 @@ class EntityRegistry:
)
@callback
def async_get_device_class_lookup(self, domain_device_classes: set) -> dict:
"""Return a lookup for the device class by domain."""
def async_get_device_class_lookup(
self, domain_device_classes: set[tuple[str, str | None]]
) -> dict:
"""Return a lookup of entity ids for devices which have matching entities.
Entities must match a set of (domain, device_class) tuples.
The result is indexed by device_id, then by the matching (domain, device_class)
"""
lookup: dict[str, dict[tuple[Any, Any], str]] = {}
for entity in self.entities.values():
if not entity.device_id: