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

Author: Domochip

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`

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`

homeassistant/const.py

@@ -613,6 +613,7 @@ class UnitOfFrequency(StrEnum):
 class UnitOfPressure(StrEnum):
     """Pressure units."""
 
+    MILLIPASCAL = "mPa"
     PA = "Pa"
     HPA = "hPa"
     KPA = "kPa"

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,

homeassistant/util/unit_system.py

@@ -376,6 +376,7 @@ def _deprecated_unit_system(value: str) -> str:
         ("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,

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",
@@ -5125,15 +5137,15 @@ def set_state(entity_id, state, **kwargs):
             "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,
             PRESSURE_SENSOR_ATTRIBUTES,
             "pressure",
             "Pa",
             "bar",
-            "Pa, bar, cbar, hPa, inHg, inH₂O, kPa, mbar, mmHg, psi",
+            "Pa, bar, cbar, hPa, inHg, inH₂O, kPa, mPa, mbar, mmHg, psi",
         ),
     ],
 )
@@ -5364,15 +5376,15 @@ 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,
             PRESSURE_SENSOR_ATTRIBUTES,
             "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,

tests/util/test_unit_conversion.py

@@ -675,20 +675,23 @@
     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),
         (1000, UnitOfPressure.HPA, 100, UnitOfPressure.CBAR),
         (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),
         (100, UnitOfPressure.KPA, 100, UnitOfPressure.CBAR),
         (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 @@
         (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 @@
         (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),

tests/util/test_unit_system.py

@@ -608,6 +608,7 @@ def test_get_metric_converted_unit_(
         UnitOfPressure.KPA,
         UnitOfPressure.MBAR,
         UnitOfPressure.MMHG,
+        UnitOfPressure.MILLIPASCAL,
         UnitOfPressure.PA,
     ),
     SensorDeviceClass.SPEED: (