82 lines
2.4 KiB
Python
82 lines
2.4 KiB
Python
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"""
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Adds support for Nest thermostats.
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"""
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import logging
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from homeassistant.components.thermostat import ThermostatDevice
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from homeassistant.const import (
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CONF_USERNAME, CONF_PASSWORD, TEMP_CELCIUS, TEMP_FAHRENHEIT)
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# pylint: disable=unused-argument
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def get_devices(hass, config):
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""" Gets Nest thermostats. """
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logger = logging.getLogger(__name__)
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username = config.get(CONF_USERNAME)
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password = config.get(CONF_PASSWORD)
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if username is None or password is None:
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logger.error("Missing required configuration items %s or %s",
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CONF_USERNAME, CONF_PASSWORD)
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return []
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try:
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# pylint: disable=no-name-in-module, unused-variable
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import homeassistant.external.pynest.nest as pynest # noqa
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except ImportError:
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logger.exception("Error while importing dependency phue.")
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return []
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thermostat = NestThermostat(username, password)
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return [thermostat]
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class NestThermostat(ThermostatDevice):
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""" Represents a Nest thermostat within Home Assistant. """
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def __init__(self, username, password):
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# pylint: disable=no-name-in-module, import-error
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import homeassistant.external.pynest.nest as pynest
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self.nest = pynest.Nest(username, password, None)
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self.nest.login()
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def get_name(self):
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""" Returns the name of the nest, if any. """
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return "Nest" # TODO Possible to get actual name from Nest device?
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def get_state(self):
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""" Returns the current temperature. """
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return self.nest.get_curtemp()
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def set_temperature(self, temperature):
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""" Set new target temperature """
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self.nest.set_temperature(temperature)
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def turn_away_mode_on(self):
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""" Turns away on. """
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self.nest.set_away("away")
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def turn_away_mode_off(self):
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""" Turns away off. """
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self.nest.set_away("here")
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def is_away_mode_on(self):
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""" Returns if away mode is on. """
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return self.nest.is_away()
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def get_target_temperature(self):
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""" Returns the temperature we try to reach. """
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return self.nest.get_tartemp()
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def get_unit_of_measurement(self):
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""" Returns the unit of measurement. """
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return TEMP_FAHRENHEIT if self.nest.units == 'F' else TEMP_CELCIUS
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def get_device_state_attributes(self):
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""" Returns device specific state attributes. """
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return {}
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