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Prevent setting _attr_unit_of_measurement in subclasses of SensorEntity (#55211)

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This commit is contained in:
Erik Montnemery
2021-08-25 15:44:35 +02:00
committed by GitHub
parent 856f4ad740
commit 7f80781f9b
1 changed files with 5 additions and 1 deletions
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6
homeassistant/components/sensor/__init__.py
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@@ -167,6 +167,9 @@ class SensorEntity(Entity):
_attr_native_value: StateType = None
_attr_state_class: str | None
_attr_state: None = None # Subclasses of SensorEntity should not set this
_attr_unit_of_measurement: None = (
None # Subclasses of SensorEntity should not set this
)
_last_reset_reported = False
_temperature_conversion_reported = False
@@ -240,11 +243,12 @@ class SensorEntity(Entity):
@property
def unit_of_measurement(self) -> str | None:
"""Return the unit of measurement of the entity, after unit conversion."""
# Support for _attr_unit_of_measurement will be removed in Home Assistant 2021.11
if (
hasattr(self, "_attr_unit_of_measurement")
and self._attr_unit_of_measurement is not None
):
return self._attr_unit_of_measurement
return self._attr_unit_of_measurement # type: ignore
native_unit_of_measurement = self.native_unit_of_measurement