Support for EQ3 Bluetooth Smart Thermostats (home-assistant#1839)

* Initial Support for EQ3 Bluetooth Smart Radiator Thermostats

* tox runs successfully

* Moved device specific stuff to bluepy_devices library

* lint fix

.coveragerc

@@ -172,6 +172,7 @@ omit =
     homeassistant/components/switch/rest.py
     homeassistant/components/switch/transmission.py
     homeassistant/components/switch/wake_on_lan.py
+    homeassistant/components/thermostat/eq3btsmart.py
     homeassistant/components/thermostat/heatmiser.py
     homeassistant/components/thermostat/homematic.py
     homeassistant/components/thermostat/proliphix.py

homeassistant/components/thermostat/eq3btsmart.py

@@ -0,0 +1,90 @@
+"""
+Support for eq3 Bluetooth Smart thermostats.
+
+Uses bluepy_devices library.
+"""
+
+import logging
+
+from homeassistant.components.thermostat import ThermostatDevice
+from homeassistant.const import TEMP_CELCIUS
+from homeassistant.helpers.temperature import convert
+
+REQUIREMENTS = ['bluepy_devices>=0.2.0']
+
+CONF_MAC = 'mac'
+CONF_DEVICES = 'devices'
+CONF_ID = 'id'
+
+_LOGGER = logging.getLogger(__name__)
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Setup the eq3 BLE thermostats."""
+    devices = []
+
+    for name, device_cfg in config[CONF_DEVICES].items():
+        mac = device_cfg[CONF_MAC]
+        devices.append(EQ3BTSmartThermostat(mac, name))
+
+    add_devices(devices)
+    return True
+
+
+# pylint: disable=too-many-instance-attributes
+class EQ3BTSmartThermostat(ThermostatDevice):
+    """Representation of a EQ3 Bluetooth Smart thermostat."""
+
+    def __init__(self, _mac, _name):
+        """Initialize the thermostat."""
+        from bluepy_devices.devices import eq3btsmart
+
+        self._name = _name
+
+        self._thermostat = eq3btsmart.EQ3BTSmartThermostat(_mac)
+
+    @property
+    def name(self):
+        """Return the name of the device."""
+        return self._name
+
+    @property
+    def unit_of_measurement(self):
+        """Return the unit of measurement that is used."""
+        return TEMP_CELCIUS
+
+    @property
+    def current_temperature(self):
+        """Can not report temperature, so return target_temperature."""
+        return self.target_temperature
+
+    @property
+    def target_temperature(self):
+        """Return the temperature we try to reach."""
+        return self._thermostat.target_temperature
+
+    def set_temperature(self, temperature):
+        """Set new target temperature."""
+        self._thermostat.target_temperature = temperature
+
+    @property
+    def device_state_attributes(self):
+        """Return the device specific state attributes."""
+        return {"mode": self._thermostat.mode,
+                "mode_readable": self._thermostat.mode_readable}
+
+    @property
+    def min_temp(self):
+        """Return the minimum temperature."""
+        return convert(self._thermostat.min_temp, TEMP_CELCIUS,
+                       self.unit_of_measurement)
+
+    @property
+    def max_temp(self):
+        """Return the maximum temperature."""
+        return convert(self._thermostat.max_temp, TEMP_CELCIUS,
+                       self.unit_of_measurement)
+
+    def update(self):
+        """Update the data from the thermostat."""
+        self._thermostat.update()

requirements_all.txt

@@ -34,6 +34,9 @@ blinkstick==1.1.7
 # homeassistant.components.sensor.bitcoin
 blockchain==1.3.1
 
+# homeassistant.components.thermostat.eq3btsmart
+bluepy_devices>=0.2.0
+
 # homeassistant.components.notify.xmpp
 dnspython3==1.12.0