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