Add milliPascal (mPa) as unit of measurement for Pressure (#153087)

2026-02-15 07:36:16 +00:00 · 2025-10-14 13:38:14 +02:00
parent c3e2f0e19b
commit 8464dad8e0
8 changed files with 28 additions and 6 deletions
--- a/homeassistant/components/number/const.py
+++ b/homeassistant/components/number/const.py
@@ -330,7 +330,7 @@ class NumberDeviceClass(StrEnum):

    Unit of measurement:
    - `mbar`, `cbar`, `bar`
-    - `Pa`, `hPa`, `kPa`
+    - `mPa`, `Pa`, `hPa`, `kPa`
    - `inHg`
    - `psi`
    - `inH₂O`
--- a/homeassistant/components/sensor/const.py
+++ b/homeassistant/components/sensor/const.py
@@ -365,7 +365,7 @@ class SensorDeviceClass(StrEnum):

    Unit of measurement:
    - `mbar`, `cbar`, `bar`
-    - `Pa`, `hPa`, `kPa`
+    - `mPa`, `Pa`, `hPa`, `kPa`
    - `inHg`
    - `psi`
    - `inH₂O`
--- a/homeassistant/const.py
+++ b/homeassistant/const.py
@@ -613,6 +613,7 @@ class UnitOfFrequency(StrEnum):
 class UnitOfPressure(StrEnum):
    """Pressure units."""

+    MILLIPASCAL = "mPa"
    PA = "Pa"
    HPA = "hPa"
    KPA = "kPa"
--- a/homeassistant/util/unit_conversion.py
+++ b/homeassistant/util/unit_conversion.py
@@ -464,6 +464,7 @@ class PressureConverter(BaseUnitConverter):

    UNIT_CLASS = "pressure"
    _UNIT_CONVERSION: dict[str | None, float] = {
+        UnitOfPressure.MILLIPASCAL: 1 * 1000,
        UnitOfPressure.PA: 1,
        UnitOfPressure.HPA: 1 / 100,
        UnitOfPressure.KPA: 1 / 1000,
@@ -478,6 +479,7 @@ class PressureConverter(BaseUnitConverter):
        / (_MM_TO_M * 1000 * _STANDARD_GRAVITY * _MERCURY_DENSITY),
    }
    VALID_UNITS = {
+        UnitOfPressure.MILLIPASCAL,
        UnitOfPressure.PA,
        UnitOfPressure.HPA,
        UnitOfPressure.KPA,
--- a/homeassistant/util/unit_system.py
+++ b/homeassistant/util/unit_system.py
@@ -376,6 +376,7 @@ US_CUSTOMARY_SYSTEM = UnitSystem(
        ("pressure", UnitOfPressure.MBAR): UnitOfPressure.PSI,
        ("pressure", UnitOfPressure.CBAR): UnitOfPressure.PSI,
        ("pressure", UnitOfPressure.BAR): UnitOfPressure.PSI,
+        ("pressure", UnitOfPressure.MILLIPASCAL): UnitOfPressure.PSI,
        ("pressure", UnitOfPressure.PA): UnitOfPressure.PSI,
        ("pressure", UnitOfPressure.HPA): UnitOfPressure.PSI,
        ("pressure", UnitOfPressure.KPA): UnitOfPressure.PSI,
--- a/tests/components/sensor/test_recorder.py
+++ b/tests/components/sensor/test_recorder.py
@@ -263,6 +263,7 @@ async def assert_validation_result(
        ("distance", "mi", "mi", "mi", "distance", 13.050847, -10, 30),
        ("humidity", "%", "%", "%", "unitless", 13.050847, -10, 30),
        ("humidity", None, None, None, "unitless", 13.050847, -10, 30),
+        ("pressure", "mPa", "mPa", "mPa", "pressure", 13.050847, -10, 30),
        ("pressure", "Pa", "Pa", "Pa", "pressure", 13.050847, -10, 30),
        ("pressure", "hPa", "hPa", "hPa", "pressure", 13.050847, -10, 30),
        ("pressure", "mbar", "mbar", "mbar", "pressure", 13.050847, -10, 30),
@@ -2601,6 +2602,7 @@ async def test_compile_hourly_energy_statistics_multiple(
        ("distance", "mi", 30),
        ("humidity", "%", 30),
        ("humidity", None, 30),
+        ("pressure", "mPa", 30),
        ("pressure", "Pa", 30),
        ("pressure", "hPa", 30),
        ("pressure", "mbar", 30),
@@ -2767,6 +2769,7 @@ async def test_compile_hourly_statistics_partially_unavailable(
        ("distance", "mi", 30),
        ("humidity", "%", 30),
        ("humidity", None, 30),
+        ("pressure", "mPa", 30),
        ("pressure", "Pa", 30),
        ("pressure", "hPa", 30),
        ("pressure", "mbar", 30),
@@ -3045,6 +3048,15 @@ async def test_compile_hourly_statistics_fails(
            "volume",
            StatisticMeanType.ARITHMETIC,
        ),
+        (
+            "measurement",
+            "pressure",
+            "mPa",
+            "mPa",
+            "mPa",
+            "pressure",
+            StatisticMeanType.ARITHMETIC,
+        ),
        (
            "measurement",
            "pressure",
@@ -5125,7 +5137,7 @@ async def async_record_states(
            "pressure",
            "psi",
            "bar",
-            "Pa, bar, cbar, hPa, inHg, inH₂O, kPa, mbar, mmHg, psi",
+            "Pa, bar, cbar, hPa, inHg, inH₂O, kPa, mPa, mbar, mmHg, psi",
        ),
        (
            METRIC_SYSTEM,
@@ -5133,7 +5145,7 @@ async def async_record_states(
            "pressure",
            "Pa",
            "bar",
-            "Pa, bar, cbar, hPa, inHg, inH₂O, kPa, mbar, mmHg, psi",
+            "Pa, bar, cbar, hPa, inHg, inH₂O, kPa, mPa, mbar, mmHg, psi",
        ),
    ],
 )
@@ -5364,7 +5376,7 @@ async def test_validate_statistics_unit_ignore_device_class(
            "pressure",
            "psi",
            "bar",
-            "Pa, bar, cbar, hPa, inHg, inH₂O, kPa, mbar, mmHg, psi",
+            "Pa, bar, cbar, hPa, inHg, inH₂O, kPa, mPa, mbar, mmHg, psi",
        ),
        (
            METRIC_SYSTEM,
@@ -5372,7 +5384,7 @@ async def test_validate_statistics_unit_ignore_device_class(
            "pressure",
            "Pa",
            "bar",
-            "Pa, bar, cbar, hPa, inHg, inH₂O, kPa, mbar, mmHg, psi",
+            "Pa, bar, cbar, hPa, inHg, inH₂O, kPa, mPa, mbar, mmHg, psi",
        ),
        (
            METRIC_SYSTEM,
--- a/tests/util/test_unit_conversion.py
+++ b/tests/util/test_unit_conversion.py
@@ -675,6 +675,7 @@ _CONVERTED_VALUE: dict[
    PressureConverter: [
        (1000, UnitOfPressure.HPA, 14.5037743897, UnitOfPressure.PSI),
        (1000, UnitOfPressure.HPA, 29.5299801647, UnitOfPressure.INHG),
+        (1000, UnitOfPressure.HPA, 100000000, UnitOfPressure.MILLIPASCAL),
        (1000, UnitOfPressure.HPA, 100000, UnitOfPressure.PA),
        (1000, UnitOfPressure.HPA, 100, UnitOfPressure.KPA),
        (1000, UnitOfPressure.HPA, 1000, UnitOfPressure.MBAR),
@@ -682,6 +683,7 @@ _CONVERTED_VALUE: dict[
        (1000, UnitOfPressure.HPA, 401.46307866177, UnitOfPressure.INH2O),
        (100, UnitOfPressure.KPA, 14.5037743897, UnitOfPressure.PSI),
        (100, UnitOfPressure.KPA, 29.5299801647, UnitOfPressure.INHG),
+        (100, UnitOfPressure.KPA, 100000000, UnitOfPressure.MILLIPASCAL),
        (100, UnitOfPressure.KPA, 100000, UnitOfPressure.PA),
        (100, UnitOfPressure.KPA, 1000, UnitOfPressure.HPA),
        (100, UnitOfPressure.KPA, 1000, UnitOfPressure.MBAR),
@@ -689,6 +691,7 @@ _CONVERTED_VALUE: dict[
        (100, UnitOfPressure.INH2O, 3.6127291827353996, UnitOfPressure.PSI),
        (100, UnitOfPressure.INH2O, 186.83201548767, UnitOfPressure.MMHG),
        (100, UnitOfPressure.INH2O, 7.3555912463681, UnitOfPressure.INHG),
+        (100, UnitOfPressure.INH2O, 24908890.833333, UnitOfPressure.MILLIPASCAL),
        (100, UnitOfPressure.INH2O, 24908.890833333, UnitOfPressure.PA),
        (100, UnitOfPressure.INH2O, 249.08890833333, UnitOfPressure.HPA),
        (100, UnitOfPressure.INH2O, 249.08890833333, UnitOfPressure.MBAR),
@@ -698,6 +701,7 @@ _CONVERTED_VALUE: dict[
        (30, UnitOfPressure.INHG, 101.59167, UnitOfPressure.KPA),
        (30, UnitOfPressure.INHG, 1015.9167, UnitOfPressure.HPA),
        (30, UnitOfPressure.INHG, 101591.67, UnitOfPressure.PA),
+        (30, UnitOfPressure.INHG, 101591670, UnitOfPressure.MILLIPASCAL),
        (30, UnitOfPressure.INHG, 1015.9167, UnitOfPressure.MBAR),
        (30, UnitOfPressure.INHG, 101.59167, UnitOfPressure.CBAR),
        (30, UnitOfPressure.INHG, 762, UnitOfPressure.MMHG),
@@ -706,6 +710,7 @@ _CONVERTED_VALUE: dict[
        (30, UnitOfPressure.MMHG, 3.99967, UnitOfPressure.KPA),
        (30, UnitOfPressure.MMHG, 39.9967, UnitOfPressure.HPA),
        (30, UnitOfPressure.MMHG, 3999.67, UnitOfPressure.PA),
+        (30, UnitOfPressure.MMHG, 3999670, UnitOfPressure.MILLIPASCAL),
        (30, UnitOfPressure.MMHG, 39.9967, UnitOfPressure.MBAR),
        (30, UnitOfPressure.MMHG, 3.99967, UnitOfPressure.CBAR),
        (30, UnitOfPressure.MMHG, 1.181102, UnitOfPressure.INHG),
--- a/tests/util/test_unit_system.py
+++ b/tests/util/test_unit_system.py
@@ -608,6 +608,7 @@ UNCONVERTED_UNITS_METRIC_SYSTEM = {
        UnitOfPressure.KPA,
        UnitOfPressure.MBAR,
        UnitOfPressure.MMHG,
+        UnitOfPressure.MILLIPASCAL,
        UnitOfPressure.PA,
    ),
    SensorDeviceClass.SPEED: (