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Add Wh/km unit for energy distance (#145243)

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Franck Nijhof 2025-05-20 13:16:27 +02:00 committed by GitHub
parent a3c0b83dee
commit fb0cb7cad6
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5 changed files with 16 additions and 2 deletions
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2
homeassistant/components/number/const.py
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@ -176,7 +176,7 @@ class NumberDeviceClass(StrEnum):
Use this device class for sensors measuring energy by distance, for example the amount
of electric energy consumed by an electric car.
Unit of measurement: `kWh/100km`, `mi/kWh`, `km/kWh`
Unit of measurement: `kWh/100km`, `Wh/km`, `mi/kWh`, `km/kWh`
"""
ENERGY_STORAGE = "energy_storage"

2
homeassistant/components/sensor/const.py
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@ -205,7 +205,7 @@ class SensorDeviceClass(StrEnum):
Use this device class for sensors measuring energy by distance, for example the amount
of electric energy consumed by an electric car.
Unit of measurement: `kWh/100km`, `mi/kWh`, `km/kWh`
Unit of measurement: `kWh/100km`, `Wh/km`, `mi/kWh`, `km/kWh`
"""
ENERGY_STORAGE = "energy_storage"

1
homeassistant/const.py
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@ -647,6 +647,7 @@ class UnitOfEnergyDistance(StrEnum):
"""Energy Distance units."""
KILO_WATT_HOUR_PER_100_KM = "kWh/100km"
WATT_HOUR_PER_KM = "Wh/km"
MILES_PER_KILO_WATT_HOUR = "mi/kWh"
KM_PER_KILO_WATT_HOUR = "km/kWh"

1
homeassistant/util/unit_conversion.py
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@ -313,6 +313,7 @@ class EnergyDistanceConverter(BaseUnitConverter):
UNIT_CLASS = "energy_distance"
_UNIT_CONVERSION: dict[str | None, float] = {
UnitOfEnergyDistance.KILO_WATT_HOUR_PER_100_KM: 1,
UnitOfEnergyDistance.WATT_HOUR_PER_KM: 10,
UnitOfEnergyDistance.MILES_PER_KILO_WATT_HOUR: 100 * _KM_TO_M / _MILE_TO_M,
UnitOfEnergyDistance.KM_PER_KILO_WATT_HOUR: 100,
}

12
tests/util/test_unit_conversion.py
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@ -509,6 +509,18 @@ _CONVERTED_VALUE: dict[
6.213712,
UnitOfEnergyDistance.MILES_PER_KILO_WATT_HOUR,
),
(
10,
UnitOfEnergyDistance.KILO_WATT_HOUR_PER_100_KM,
100,
UnitOfEnergyDistance.WATT_HOUR_PER_KM,
),
(
15,
UnitOfEnergyDistance.WATT_HOUR_PER_KM,
1.5,
UnitOfEnergyDistance.KILO_WATT_HOUR_PER_100_KM,
),
(
25,
UnitOfEnergyDistance.KILO_WATT_HOUR_PER_100_KM,