core/homeassistant/components/thermostat/__init__.py

331 lines
9.7 KiB
Python

"""
Provides functionality to interact with thermostats.
For more details about this component, please refer to the documentation at
https://home-assistant.io/components/thermostat/
"""
import logging
import os
from numbers import Number
import voluptuous as vol
from homeassistant.helpers.entity_component import EntityComponent
from homeassistant.config import load_yaml_config_file
from homeassistant.helpers.entity import Entity
from homeassistant.helpers.config_validation import PLATFORM_SCHEMA # noqa
import homeassistant.helpers.config_validation as cv
from homeassistant.util.temperature import convert
from homeassistant.const import (
ATTR_ENTITY_ID, ATTR_TEMPERATURE, STATE_ON, STATE_OFF, STATE_UNKNOWN,
TEMP_CELSIUS)
DOMAIN = "thermostat"
ENTITY_ID_FORMAT = DOMAIN + ".{}"
SCAN_INTERVAL = 60
SERVICE_SET_AWAY_MODE = "set_away_mode"
SERVICE_SET_TEMPERATURE = "set_temperature"
SERVICE_SET_FAN_MODE = "set_fan_mode"
SERVICE_SET_HVAC_MODE = "set_hvac_mode"
STATE_HEAT = "heat"
STATE_COOL = "cool"
STATE_IDLE = "idle"
STATE_AUTO = "auto"
ATTR_CURRENT_TEMPERATURE = "current_temperature"
ATTR_AWAY_MODE = "away_mode"
ATTR_FAN = "fan"
ATTR_HVAC_MODE = "hvac_mode"
ATTR_MAX_TEMP = "max_temp"
ATTR_MIN_TEMP = "min_temp"
ATTR_TEMPERATURE_LOW = "target_temp_low"
ATTR_TEMPERATURE_HIGH = "target_temp_high"
ATTR_OPERATION = "current_operation"
_LOGGER = logging.getLogger(__name__)
SET_AWAY_MODE_SCHEMA = vol.Schema({
vol.Optional(ATTR_ENTITY_ID): cv.entity_ids,
vol.Required(ATTR_AWAY_MODE): cv.boolean,
})
SET_TEMPERATURE_SCHEMA = vol.Schema({
vol.Optional(ATTR_ENTITY_ID): cv.entity_ids,
vol.Required(ATTR_TEMPERATURE): vol.Coerce(float),
})
SET_FAN_MODE_SCHEMA = vol.Schema({
vol.Optional(ATTR_ENTITY_ID): cv.entity_ids,
vol.Required(ATTR_FAN): cv.boolean,
})
SET_HVAC_MODE_SCHEMA = vol.Schema({
vol.Optional(ATTR_ENTITY_ID): cv.entity_ids,
vol.Required(ATTR_HVAC_MODE): cv.string,
})
def set_away_mode(hass, away_mode, entity_id=None):
"""Turn all or specified thermostat away mode on."""
data = {
ATTR_AWAY_MODE: away_mode
}
if entity_id:
data[ATTR_ENTITY_ID] = entity_id
hass.services.call(DOMAIN, SERVICE_SET_AWAY_MODE, data)
def set_temperature(hass, temperature, entity_id=None):
"""Set new target temperature."""
data = {ATTR_TEMPERATURE: temperature}
if entity_id is not None:
data[ATTR_ENTITY_ID] = entity_id
hass.services.call(DOMAIN, SERVICE_SET_TEMPERATURE, data)
def set_fan_mode(hass, fan_mode, entity_id=None):
"""Turn all or specified thermostat fan mode on."""
data = {
ATTR_FAN: fan_mode
}
if entity_id:
data[ATTR_ENTITY_ID] = entity_id
hass.services.call(DOMAIN, SERVICE_SET_FAN_MODE, data)
def set_hvac_mode(hass, hvac_mode, entity_id=None):
"""Set specified thermostat hvac mode."""
data = {
ATTR_HVAC_MODE: hvac_mode
}
if entity_id:
data[ATTR_ENTITY_ID] = entity_id
hass.services.call(DOMAIN, SERVICE_SET_HVAC_MODE, data)
# pylint: disable=too-many-branches
def setup(hass, config):
"""Setup thermostats."""
_LOGGER.warning('This component has been deprecated in favour of'
' the "climate" component and will be removed '
'in the future. Please upgrade.')
component = EntityComponent(_LOGGER, DOMAIN, hass, SCAN_INTERVAL)
component.setup(config)
descriptions = load_yaml_config_file(
os.path.join(os.path.dirname(__file__), 'services.yaml'))
def away_mode_set_service(service):
"""Set away mode on target thermostats."""
target_thermostats = component.extract_from_service(service)
away_mode = service.data[ATTR_AWAY_MODE]
for thermostat in target_thermostats:
if away_mode:
thermostat.turn_away_mode_on()
else:
thermostat.turn_away_mode_off()
thermostat.update_ha_state(True)
hass.services.register(
DOMAIN, SERVICE_SET_AWAY_MODE, away_mode_set_service,
descriptions.get(SERVICE_SET_AWAY_MODE),
schema=SET_AWAY_MODE_SCHEMA)
def temperature_set_service(service):
"""Set temperature on the target thermostats."""
target_thermostats = component.extract_from_service(service)
temperature = service.data[ATTR_TEMPERATURE]
for thermostat in target_thermostats:
converted_temperature = convert(
temperature, hass.config.units.temperature_unit,
thermostat.unit_of_measurement)
thermostat.set_temperature(converted_temperature)
thermostat.update_ha_state(True)
hass.services.register(
DOMAIN, SERVICE_SET_TEMPERATURE, temperature_set_service,
descriptions.get(SERVICE_SET_TEMPERATURE),
schema=SET_TEMPERATURE_SCHEMA)
def fan_mode_set_service(service):
"""Set fan mode on target thermostats."""
target_thermostats = component.extract_from_service(service)
fan_mode = service.data[ATTR_FAN]
for thermostat in target_thermostats:
if fan_mode:
thermostat.turn_fan_on()
else:
thermostat.turn_fan_off()
thermostat.update_ha_state(True)
hass.services.register(
DOMAIN, SERVICE_SET_FAN_MODE, fan_mode_set_service,
descriptions.get(SERVICE_SET_FAN_MODE),
schema=SET_FAN_MODE_SCHEMA)
def hvac_mode_set_service(service):
"""Set hvac mode on target thermostats."""
target_thermostats = component.extract_from_service(service)
hvac_mode = service.data[ATTR_HVAC_MODE]
for thermostat in target_thermostats:
thermostat.set_hvac_mode(hvac_mode)
thermostat.update_ha_state(True)
hass.services.register(
DOMAIN, SERVICE_SET_HVAC_MODE, hvac_mode_set_service,
descriptions.get(SERVICE_SET_HVAC_MODE),
schema=SET_HVAC_MODE_SCHEMA)
return True
class ThermostatDevice(Entity):
"""Representation of a thermostat."""
# pylint: disable=no-self-use
@property
def state(self):
"""Return the current state."""
return self.target_temperature or STATE_UNKNOWN
@property
def state_attributes(self):
"""Return the optional state attributes."""
data = {
ATTR_CURRENT_TEMPERATURE:
self._convert_for_display(self.current_temperature),
ATTR_MIN_TEMP: self._convert_for_display(self.min_temp),
ATTR_MAX_TEMP: self._convert_for_display(self.max_temp),
ATTR_TEMPERATURE:
self._convert_for_display(self.target_temperature),
ATTR_TEMPERATURE_LOW:
self._convert_for_display(self.target_temperature_low),
ATTR_TEMPERATURE_HIGH:
self._convert_for_display(self.target_temperature_high),
}
operation = self.operation
if operation is not None:
data[ATTR_OPERATION] = operation
is_away = self.is_away_mode_on
if is_away is not None:
data[ATTR_AWAY_MODE] = STATE_ON if is_away else STATE_OFF
is_fan_on = self.is_fan_on
if is_fan_on is not None:
data[ATTR_FAN] = STATE_ON if is_fan_on else STATE_OFF
return data
@property
def unit_of_measurement(self):
"""Return the unit of measurement."""
raise NotImplementedError
@property
def current_temperature(self):
"""Return the current temperature."""
raise NotImplementedError
@property
def operation(self):
"""Return current operation ie. heat, cool, idle."""
return None
@property
def target_temperature(self):
"""Return the temperature we try to reach."""
raise NotImplementedError
@property
def target_temperature_low(self):
"""Return the lower bound temperature we try to reach."""
return self.target_temperature
@property
def target_temperature_high(self):
"""Return the upper bound temperature we try to reach."""
return self.target_temperature
@property
def is_away_mode_on(self):
"""Return true if away mode is on."""
return None
@property
def is_fan_on(self):
"""Return true if the fan is on."""
return None
def set_temperature(self, temperature):
"""Set new target temperature."""
raise NotImplementedError()
def set_hvac_mode(self, hvac_mode):
"""Set hvac mode."""
raise NotImplementedError()
def turn_away_mode_on(self):
"""Turn away mode on."""
raise NotImplementedError()
def turn_away_mode_off(self):
"""Turn away mode off."""
raise NotImplementedError()
def turn_fan_on(self):
"""Turn fan on."""
raise NotImplementedError()
def turn_fan_off(self):
"""Turn fan off."""
raise NotImplementedError()
@property
def min_temp(self):
"""Return the minimum temperature."""
return convert(7, TEMP_CELSIUS, self.unit_of_measurement)
@property
def max_temp(self):
"""Return the maximum temperature."""
return convert(35, TEMP_CELSIUS, self.unit_of_measurement)
def _convert_for_display(self, temp):
"""Convert temperature into preferred units for display purposes."""
if temp is None or not isinstance(temp, Number):
return temp
value = self.hass.config.units.temperature(temp,
self.unit_of_measurement)
if self.hass.config.units.is_metric:
decimal_count = 1
else:
# Users of fahrenheit generally expect integer units.
decimal_count = 0
return round(value, decimal_count)