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Iterate over entities safely in camera setup (#82080)

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fixes undefined
This commit is contained in:
uvjustin
2022-11-15 22:02:35 +08:00
committed by GitHub
parent 4cce359960
commit e7dd31f37b
2 changed files with 7 additions and 2 deletions
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7
homeassistant/helpers/entity_component.py
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@@ -90,7 +90,12 @@ class EntityComponent(Generic[_EntityT]):
@property
def entities(self) -> Iterable[_EntityT]:
"""Return an iterable that returns all entities."""
"""
Return an iterable that returns all entities.
As the underlying dicts may change when async context is lost, callers that
iterate over this asynchronously should make a copy using list() before iterating.
"""
return chain.from_iterable(
platform.entities.values() # type: ignore[misc]
for platform in self._platforms.values()