Add Tuya climate platform (#15500)

* Add Tuya climate platform

* fix as review required

* fix as review required

homeassistant/components/climate/tuya.py

@@ -0,0 +1,173 @@
+"""
+Support for the Tuya climate devices.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/climate.tuya/
+"""
+
+from homeassistant.components.climate import (
+    ATTR_TEMPERATURE, ENTITY_ID_FORMAT, STATE_AUTO, STATE_COOL, STATE_ECO,
+    STATE_ELECTRIC, STATE_FAN_ONLY, STATE_GAS, STATE_HEAT, STATE_HEAT_PUMP,
+    STATE_HIGH_DEMAND, STATE_PERFORMANCE, SUPPORT_FAN_MODE, SUPPORT_ON_OFF,
+    SUPPORT_OPERATION_MODE, SUPPORT_TARGET_TEMPERATURE, ClimateDevice)
+from homeassistant.components.fan import SPEED_LOW, SPEED_MEDIUM, SPEED_HIGH
+from homeassistant.components.tuya import DATA_TUYA, TuyaDevice
+
+from homeassistant.const import (
+    PRECISION_WHOLE, TEMP_CELSIUS, TEMP_FAHRENHEIT)
+
+DEPENDENCIES = ['tuya']
+DEVICE_TYPE = 'climate'
+
+HA_STATE_TO_TUYA = {
+    STATE_AUTO: 'auto',
+    STATE_COOL: 'cold',
+    STATE_ECO: 'eco',
+    STATE_ELECTRIC: 'electric',
+    STATE_FAN_ONLY: 'wind',
+    STATE_GAS: 'gas',
+    STATE_HEAT: 'hot',
+    STATE_HEAT_PUMP: 'heat_pump',
+    STATE_HIGH_DEMAND: 'high_demand',
+    STATE_PERFORMANCE: 'performance',
+}
+
+TUYA_STATE_TO_HA = {value: key for key, value in HA_STATE_TO_TUYA.items()}
+
+FAN_MODES = {SPEED_LOW, SPEED_MEDIUM, SPEED_HIGH}
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Set up Tuya Climate devices."""
+    if discovery_info is None:
+        return
+    tuya = hass.data[DATA_TUYA]
+    dev_ids = discovery_info.get('dev_ids')
+    devices = []
+    for dev_id in dev_ids:
+        device = tuya.get_device_by_id(dev_id)
+        if device is None:
+            continue
+        devices.append(TuyaClimateDevice(device))
+    add_devices(devices)
+
+
+class TuyaClimateDevice(TuyaDevice, ClimateDevice):
+    """Tuya climate devices,include air conditioner,heater."""
+
+    def __init__(self, tuya):
+        """Init climate device."""
+        super().__init__(tuya)
+        self.entity_id = ENTITY_ID_FORMAT.format(tuya.object_id())
+        self.operations = []
+
+    async def async_added_to_hass(self):
+        """Create operation list when add to hass."""
+        await super().async_added_to_hass()
+        modes = self.tuya.operation_list()
+        if modes is None:
+            return
+        for mode in modes:
+            if mode in TUYA_STATE_TO_HA:
+                self.operations.append(TUYA_STATE_TO_HA[mode])
+
+    @property
+    def is_on(self):
+        """Return true if climate is on."""
+        return self.tuya.state()
+
+    @property
+    def precision(self):
+        """Return the precision of the system."""
+        return PRECISION_WHOLE
+
+    @property
+    def temperature_unit(self):
+        """Return the unit of measurement used by the platform."""
+        unit = self.tuya.temperature_unit()
+        if unit == 'CELSIUS':
+            return TEMP_CELSIUS
+        elif unit == 'FAHRENHEIT':
+            return TEMP_FAHRENHEIT
+        return TEMP_CELSIUS
+
+    @property
+    def current_operation(self):
+        """Return current operation ie. heat, cool, idle."""
+        mode = self.tuya.current_operation()
+        if mode is None:
+            return None
+        return TUYA_STATE_TO_HA.get(mode)
+
+    @property
+    def operation_list(self):
+        """Return the list of available operation modes."""
+        return self.operations
+
+    @property
+    def current_temperature(self):
+        """Return the current temperature."""
+        return self.tuya.current_temperature()
+
+    @property
+    def target_temperature(self):
+        """Return the temperature we try to reach."""
+        return self.tuya.target_temperature()
+
+    @property
+    def target_temperature_step(self):
+        """Return the supported step of target temperature."""
+        return self.tuya.target_temperature_step()
+
+    @property
+    def current_fan_mode(self):
+        """Return the fan setting."""
+        return self.tuya.current_fan_mode()
+
+    @property
+    def fan_list(self):
+        """Return the list of available fan modes."""
+        return self.tuya.fan_list()
+
+    def set_temperature(self, **kwargs):
+        """Set new target temperature."""
+        if ATTR_TEMPERATURE in kwargs:
+            self.tuya.set_temperature(kwargs[ATTR_TEMPERATURE])
+
+    def set_fan_mode(self, fan_mode):
+        """Set new target fan mode."""
+        self.tuya.set_fan_mode(fan_mode)
+
+    def set_operation_mode(self, operation_mode):
+        """Set new target operation mode."""
+        self.tuya.set_operation_mode(HA_STATE_TO_TUYA.get(operation_mode))
+
+    def turn_on(self):
+        """Turn device on."""
+        self.tuya.turn_on()
+
+    def turn_off(self):
+        """Turn device off."""
+        self.tuya.turn_off()
+
+    @property
+    def supported_features(self):
+        """Return the list of supported features."""
+        supports = SUPPORT_ON_OFF
+        if self.tuya.support_target_temperature():
+            supports = supports | SUPPORT_TARGET_TEMPERATURE
+        if self.tuya.support_mode():
+            supports = supports | SUPPORT_OPERATION_MODE
+        if self.tuya.support_wind_speed():
+            supports = supports | SUPPORT_FAN_MODE
+        return supports
+
+    @property
+    def min_temp(self):
+        """Return the minimum temperature."""
+        return self.tuya.min_temp()
+
+    @property
+    def max_temp(self):
+        """Return the maximum temperature."""
+        return self.tuya.max_temp()

homeassistant/components/tuya.py

@@ -33,6 +33,7 @@ SERVICE_FORCE_UPDATE = 'force_update'
 SERVICE_PULL_DEVICES = 'pull_devices'
 
 TUYA_TYPE_TO_HA = {
+    'climate': 'climate',
     'light': 'light',
     'switch': 'switch',
 }