core/homeassistant/components/thermostat/homematic.py

91 lines
3.0 KiB
Python

"""
Support for Homematic thermostats.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/thermostat.homematic/
"""
import logging
import homeassistant.components.homematic as homematic
from homeassistant.components.thermostat import ThermostatDevice
from homeassistant.util.temperature import convert
from homeassistant.const import TEMP_CELSIUS, STATE_UNKNOWN
DEPENDENCIES = ['homematic']
_LOGGER = logging.getLogger(__name__)
def setup_platform(hass, config, add_callback_devices, discovery_info=None):
"""Setup the Homematic thermostat platform."""
if discovery_info is None:
return
return homematic.setup_hmdevice_discovery_helper(HMThermostat,
discovery_info,
add_callback_devices)
# pylint: disable=abstract-method
class HMThermostat(homematic.HMDevice, ThermostatDevice):
"""Representation of a Homematic thermostat."""
@property
def unit_of_measurement(self):
"""Return the unit of measurement that is used."""
return TEMP_CELSIUS
@property
def current_temperature(self):
"""Return the current temperature."""
if not self.available:
return None
return self._data["ACTUAL_TEMPERATURE"]
@property
def target_temperature(self):
"""Return the target temperature."""
if not self.available:
return None
return self._data["SET_TEMPERATURE"]
def set_temperature(self, temperature):
"""Set new target temperature."""
if not self.available:
return None
self._hmdevice.set_temperature(temperature)
@property
def min_temp(self):
"""Return the minimum temperature - 4.5 means off."""
return convert(4.5, TEMP_CELSIUS, self.unit_of_measurement)
@property
def max_temp(self):
"""Return the maximum temperature - 30.5 means on."""
return convert(30.5, TEMP_CELSIUS, self.unit_of_measurement)
def _check_hm_to_ha_object(self):
"""Check if possible to use the Homematic object as this HA type."""
from pyhomematic.devicetypes.thermostats import HMThermostat\
as pyHMThermostat
# Check compatibility from HMDevice
if not super()._check_hm_to_ha_object():
return False
# Check if the Homematic device correct for this HA device
if isinstance(self._hmdevice, pyHMThermostat):
return True
_LOGGER.critical("This %s can't be use as thermostat", self._name)
return False
def _init_data_struct(self):
"""Generate a data dict (self._data) from the Homematic metadata."""
super()._init_data_struct()
# Add state to data dict
self._data.update({"CONTROL_MODE": STATE_UNKNOWN,
"SET_TEMPERATURE": STATE_UNKNOWN,
"ACTUAL_TEMPERATURE": STATE_UNKNOWN})