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Handle null data in WeatherFlow sensors (#103349) 

Co-authored-by: J. Nick Koston <nick@koston.org>
This commit is contained in:
Nathan Spencer 2023-11-06 06:48:00 -07:00 committed by GitHub
parent 91182603d5
commit b0e04ae690
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1 changed files with 10 additions and 6 deletions
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16
homeassistant/components/weatherflow/sensor.py
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@ -71,7 +71,8 @@ class WeatherFlowSensorEntityDescription(
def get_native_value(self, device: WeatherFlowDevice) -> datetime | StateType:
"""Return the parsed sensor value."""
raw_sensor_data = getattr(device, self.key)
if (raw_sensor_data := getattr(device, self.key)) is None:
return None
return self.raw_data_conv_fn(raw_sensor_data)
@ -371,14 +372,17 @@ class WeatherFlowSensorEntity(SensorEntity):
return self.device.last_report
return None
@property
def native_value(self) -> datetime | StateType:
"""Return the state of the sensor."""
return self.entity_description.get_native_value(self.device)
def _async_update_state(self) -> None:
"""Update entity state."""
value = self.entity_description.get_native_value(self.device)
self._attr_available = value is not None
self._attr_native_value = value
self.async_write_ha_state()
async def async_added_to_hass(self) -> None:
"""Subscribe to events."""
self._async_update_state()
for event in self.entity_description.event_subscriptions:
self.async_on_remove(
self.device.on(event, lambda _: self.async_write_ha_state())
self.device.on(event, lambda _: self._async_update_state())
)