From 7cfc28e915a31994faa9d6937ec15c32e75fa062 Mon Sep 17 00:00:00 2001
From: epenet <6771947+epenet@users.noreply.github.com>
Date: Mon, 19 Sep 2022 15:46:47 +0200
Subject: [PATCH] Add unit constant for revolutions per minute (#78752)

---
 homeassistant/components/comfoconnect/sensor.py |  5 +++--
 homeassistant/components/xiaomi_miio/number.py  |  6 +++---
 homeassistant/components/xiaomi_miio/sensor.py  | 11 ++++++-----
 homeassistant/const.py                          |  3 +++
 4 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/homeassistant/components/comfoconnect/sensor.py b/homeassistant/components/comfoconnect/sensor.py
index 2be98b9eeb5..efb6b11a6d9 100644
--- a/homeassistant/components/comfoconnect/sensor.py
+++ b/homeassistant/components/comfoconnect/sensor.py
@@ -41,6 +41,7 @@ from homeassistant.const import (
     ENERGY_KILO_WATT_HOUR,
     PERCENTAGE,
     POWER_WATT,
+    REVOLUTIONS_PER_MINUTE,
     TEMP_CELSIUS,
     TIME_DAYS,
     VOLUME_FLOW_RATE_CUBIC_METERS_PER_HOUR,
@@ -159,7 +160,7 @@ SENSOR_TYPES = (
         key=ATTR_SUPPLY_FAN_SPEED,
         state_class=SensorStateClass.MEASUREMENT,
         name="Supply fan speed",
-        native_unit_of_measurement="rpm",
+        native_unit_of_measurement=REVOLUTIONS_PER_MINUTE,
         icon="mdi:fan-plus",
         sensor_id=SENSOR_FAN_SUPPLY_SPEED,
     ),
@@ -175,7 +176,7 @@ SENSOR_TYPES = (
         key=ATTR_EXHAUST_FAN_SPEED,
         state_class=SensorStateClass.MEASUREMENT,
         name="Exhaust fan speed",
-        native_unit_of_measurement="rpm",
+        native_unit_of_measurement=REVOLUTIONS_PER_MINUTE,
         icon="mdi:fan-minus",
         sensor_id=SENSOR_FAN_EXHAUST_SPEED,
     ),
diff --git a/homeassistant/components/xiaomi_miio/number.py b/homeassistant/components/xiaomi_miio/number.py
index b324ab318a0..15cb7175d91 100644
--- a/homeassistant/components/xiaomi_miio/number.py
+++ b/homeassistant/components/xiaomi_miio/number.py
@@ -12,7 +12,7 @@ from homeassistant.components.number import (
     NumberEntityDescription,
 )
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import CONF_MODEL, DEGREE, TIME_MINUTES
+from homeassistant.const import CONF_MODEL, DEGREE, REVOLUTIONS_PER_MINUTE, TIME_MINUTES
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers import entity_registry as er
 from homeassistant.helpers.entity import EntityCategory
@@ -135,7 +135,7 @@ NUMBER_TYPES = {
         key=ATTR_MOTOR_SPEED,
         name="Motor speed",
         icon="mdi:fast-forward-outline",
-        native_unit_of_measurement="rpm",
+        native_unit_of_measurement=REVOLUTIONS_PER_MINUTE,
         native_min_value=200,
         native_max_value=2000,
         native_step=10,
@@ -219,7 +219,7 @@ NUMBER_TYPES = {
         key=ATTR_FAVORITE_RPM,
         name="Favorite motor speed",
         icon="mdi:star-cog",
-        native_unit_of_measurement="rpm",
+        native_unit_of_measurement=REVOLUTIONS_PER_MINUTE,
         native_min_value=300,
         native_max_value=2200,
         native_step=10,
diff --git a/homeassistant/components/xiaomi_miio/sensor.py b/homeassistant/components/xiaomi_miio/sensor.py
index 472339a4103..6a84874e2e6 100644
--- a/homeassistant/components/xiaomi_miio/sensor.py
+++ b/homeassistant/components/xiaomi_miio/sensor.py
@@ -35,6 +35,7 @@ from homeassistant.const import (
     PERCENTAGE,
     POWER_WATT,
     PRESSURE_HPA,
+    REVOLUTIONS_PER_MINUTE,
     TEMP_CELSIUS,
     TIME_DAYS,
     TIME_HOURS,
@@ -192,7 +193,7 @@ SENSOR_TYPES = {
     ATTR_ACTUAL_SPEED: XiaomiMiioSensorDescription(
         key=ATTR_ACTUAL_SPEED,
         name="Actual speed",
-        native_unit_of_measurement="rpm",
+        native_unit_of_measurement=REVOLUTIONS_PER_MINUTE,
         icon="mdi:fast-forward",
         state_class=SensorStateClass.MEASUREMENT,
         entity_category=EntityCategory.DIAGNOSTIC,
@@ -200,7 +201,7 @@ SENSOR_TYPES = {
     ATTR_CONTROL_SPEED: XiaomiMiioSensorDescription(
         key=ATTR_CONTROL_SPEED,
         name="Control speed",
-        native_unit_of_measurement="rpm",
+        native_unit_of_measurement=REVOLUTIONS_PER_MINUTE,
         icon="mdi:fast-forward",
         state_class=SensorStateClass.MEASUREMENT,
         entity_category=EntityCategory.DIAGNOSTIC,
@@ -208,7 +209,7 @@ SENSOR_TYPES = {
     ATTR_FAVORITE_SPEED: XiaomiMiioSensorDescription(
         key=ATTR_FAVORITE_SPEED,
         name="Favorite speed",
-        native_unit_of_measurement="rpm",
+        native_unit_of_measurement=REVOLUTIONS_PER_MINUTE,
         icon="mdi:fast-forward",
         state_class=SensorStateClass.MEASUREMENT,
         entity_category=EntityCategory.DIAGNOSTIC,
@@ -216,7 +217,7 @@ SENSOR_TYPES = {
     ATTR_MOTOR_SPEED: XiaomiMiioSensorDescription(
         key=ATTR_MOTOR_SPEED,
         name="Motor speed",
-        native_unit_of_measurement="rpm",
+        native_unit_of_measurement=REVOLUTIONS_PER_MINUTE,
         icon="mdi:fast-forward",
         state_class=SensorStateClass.MEASUREMENT,
         entity_category=EntityCategory.DIAGNOSTIC,
@@ -224,7 +225,7 @@ SENSOR_TYPES = {
     ATTR_MOTOR2_SPEED: XiaomiMiioSensorDescription(
         key=ATTR_MOTOR2_SPEED,
         name="Second motor speed",
-        native_unit_of_measurement="rpm",
+        native_unit_of_measurement=REVOLUTIONS_PER_MINUTE,
         icon="mdi:fast-forward",
         state_class=SensorStateClass.MEASUREMENT,
         entity_category=EntityCategory.DIAGNOSTIC,
diff --git a/homeassistant/const.py b/homeassistant/const.py
index 7afb781b3d9..27d172265ce 100644
--- a/homeassistant/const.py
+++ b/homeassistant/const.py
@@ -588,6 +588,9 @@ UV_INDEX: Final = "UV index"
 # Percentage units
 PERCENTAGE: Final = "%"
 
+# Rotational speed units
+REVOLUTIONS_PER_MINUTE: Final = "rpm"
+
 # Irradiation units
 IRRADIATION_WATTS_PER_SQUARE_METER: Final = "W/m²"
 IRRADIATION_BTUS_PER_HOUR_SQUARE_FOOT: Final = "BTU/(h×ft²)"