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Minor cleanup of SensorEntity (#54624)

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Erik Montnemery 2021-08-19 12:53:47 +02:00 committed by GitHub
parent 32a2c5d5db
commit 4903c1fbfd
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1 changed files with 4 additions and 6 deletions
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10
homeassistant/components/sensor/__init__.py
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@ -141,6 +141,7 @@ class SensorEntity(Entity):
_attr_native_unit_of_measurement: str | None
_attr_native_value: StateType = None
_attr_state_class: str | None
_attr_state: None = None # Subclasses of SensorEntity should not set this
_last_reset_reported = False
_temperature_conversion_reported = False
@ -176,8 +177,7 @@ class SensorEntity(Entity):
"""Return state attributes."""
if last_reset := self.last_reset:
if (
last_reset is not None
and self.state_class == STATE_CLASS_MEASUREMENT
self.state_class == STATE_CLASS_MEASUREMENT
and not self._last_reset_reported
):
self._last_reset_reported = True
@ -211,6 +211,7 @@ class SensorEntity(Entity):
return self.entity_description.native_unit_of_measurement
return None
@final
@property
def unit_of_measurement(self) -> str | None:
"""Return the unit of measurement of the entity, after unit conversion."""
@ -232,13 +233,10 @@ class SensorEntity(Entity):
return native_unit_of_measurement
@final
@property
def state(self) -> Any:
"""Return the state of the sensor and perform unit conversions, if needed."""
# Test if _attr_state has been set in this instance
if "_attr_state" in self.__dict__:
return self._attr_state
unit_of_measurement = self.native_unit_of_measurement
value = self.native_value