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Improve performance of websocket_api _state_diff_event (#141696)

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We can use last_updated_timestamp for the compare since its always
calculated when the state is created and comparing floats is
much faster than datetime objects
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J. Nick Koston 2025-03-28 13:58:12 -10:00 committed by GitHub
parent ba8f69d956
commit d6b48003b6
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homeassistant/components/websocket_api/messages.py
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@ -207,7 +207,7 @@ def _state_diff_event(
additions[COMPRESSED_STATE_STATE] = new_state.state
if old_state.last_changed != new_state.last_changed:
additions[COMPRESSED_STATE_LAST_CHANGED] = new_state.last_changed_timestamp
elif old_state.last_updated != new_state.last_updated:
elif old_state.last_updated_timestamp != new_state.last_updated_timestamp:
additions[COMPRESSED_STATE_LAST_UPDATED] = new_state.last_updated_timestamp
if old_state_context.parent_id != new_state_context.parent_id:
additions[COMPRESSED_STATE_CONTEXT] = {"parent_id": new_state_context.parent_id}