Add Touchline climate platform (#10547)

* Add toucline platform

* Fix bugs suggested by houndci-bot

* Fix bugs suggested by houndci-bot

* Fix style based on comments and lint

* Remove target temperature

* Fix unexpected EOF

* Fix unexpected EOF

* Fix wrongfully named numberOfDevices variable

* Add target temperature

* Update requirements_all.txt

* Change after review

* Add supported features
* Remove update in constructor
* Set member variables to none in constructor

* Minor changes

.coveragerc

@@ -314,6 +314,7 @@ omit =
     homeassistant/components/climate/proliphix.py
     homeassistant/components/climate/radiotherm.py
     homeassistant/components/climate/sensibo.py
+    homeassistant/components/climate/touchline.py
     homeassistant/components/cover/garadget.py
     homeassistant/components/cover/homematic.py
     homeassistant/components/cover/knx.py

homeassistant/components/climate/touchline.py

@@ -0,0 +1,90 @@
+"""
+Platform for Roth Touchline heat pump controller.
+
+For more details about this platform, please refer to the documentation
+https://home-assistant.io/components/climate.touchline/
+"""
+import logging
+
+import voluptuous as vol
+
+from homeassistant.components.climate import (
+    ClimateDevice, PLATFORM_SCHEMA, SUPPORT_TARGET_TEMPERATURE)
+from homeassistant.const import CONF_HOST, TEMP_CELSIUS, ATTR_TEMPERATURE
+import homeassistant.helpers.config_validation as cv
+
+REQUIREMENTS = ['pytouchline==0.6']
+
+_LOGGER = logging.getLogger(__name__)
+
+SUPPORT_FLAGS = (SUPPORT_TARGET_TEMPERATURE)
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Required(CONF_HOST): cv.string,
+})
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Set up the Touchline devices."""
+    from pytouchline import PyTouchline
+    host = config[CONF_HOST]
+    py_touchline = PyTouchline()
+    number_of_devices = int(py_touchline.get_number_of_devices(host))
+    devices = []
+    for device_id in range(0, number_of_devices):
+        devices.append(Touchline(PyTouchline(device_id)))
+    add_devices(devices, True)
+
+
+class Touchline(ClimateDevice):
+    """Representation of a Touchline device."""
+
+    def __init__(self, touchline_thermostat):
+        """Initialize the climate device."""
+        self.unit = touchline_thermostat
+        self._name = None
+        self._current_temperature = None
+        self._target_temperature = None
+
+    @property
+    def supported_features(self):
+        """Return the list of supported features."""
+        return SUPPORT_FLAGS
+
+    def update(self):
+        """Update unit attributes."""
+        self.unit.update()
+        self._name = self.unit.get_name()
+        self._current_temperature = self.unit.get_current_temperature()
+        self._target_temperature = self.unit.get_target_temperature()
+
+    @property
+    def should_poll(self):
+        """Return the polling state."""
+        return True
+
+    @property
+    def name(self):
+        """Return the name of the climate device."""
+        return self._name
+
+    @property
+    def temperature_unit(self):
+        """Return the unit of measurement."""
+        return TEMP_CELSIUS
+
+    @property
+    def current_temperature(self):
+        """Return the current temperature."""
+        return self._current_temperature
+
+    @property
+    def target_temperature(self):
+        """Return the temperature we try to reach."""
+        return self._target_temperature
+
+    def set_temperature(self, **kwargs):
+        """Set new target temperature."""
+        if kwargs.get(ATTR_TEMPERATURE) is not None:
+            self._target_temperature = kwargs.get(ATTR_TEMPERATURE)
+        self.unit.set_target_temperature(self._target_temperature)

requirements_all.txt

@@ -946,6 +946,9 @@ pythonwhois==2.4.3
 # homeassistant.components.device_tracker.tile
 pytile==1.1.0
 
+# homeassistant.components.climate.touchline
+pytouchline==0.6
+
 # homeassistant.components.device_tracker.trackr
 pytrackr==0.0.5