core/homeassistant/components/thermostat/honeywell.py

247 lines
7.7 KiB
Python

"""
Support for Honeywell Round Connected and Honeywell Evohome thermostats.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/thermostat.honeywell/
"""
import logging
import socket
from homeassistant.components.thermostat import ThermostatDevice
from homeassistant.const import (
CONF_PASSWORD, CONF_USERNAME, TEMP_CELSIUS, TEMP_FAHRENHEIT)
REQUIREMENTS = ['evohomeclient==0.2.5',
'somecomfort==0.2.1']
_LOGGER = logging.getLogger(__name__)
CONF_AWAY_TEMP = "away_temperature"
DEFAULT_AWAY_TEMP = 16
def _setup_round(username, password, config, add_devices):
"""Setup rounding function."""
from evohomeclient import EvohomeClient
try:
away_temp = float(config.get(CONF_AWAY_TEMP, DEFAULT_AWAY_TEMP))
except ValueError:
_LOGGER.error("value entered for item %s should convert to a number",
CONF_AWAY_TEMP)
return False
evo_api = EvohomeClient(username, password)
try:
zones = evo_api.temperatures(force_refresh=True)
for i, zone in enumerate(zones):
add_devices([RoundThermostat(evo_api,
zone['id'],
i == 0,
away_temp)])
except socket.error:
_LOGGER.error(
"Connection error logging into the honeywell evohome web service"
)
return False
return True
# config will be used later
def _setup_us(username, password, config, add_devices):
"""Setup user."""
import somecomfort
try:
client = somecomfort.SomeComfort(username, password)
except somecomfort.AuthError:
_LOGGER.error('Failed to login to honeywell account %s', username)
return False
except somecomfort.SomeComfortError as ex:
_LOGGER.error('Failed to initialize honeywell client: %s', str(ex))
return False
dev_id = config.get('thermostat')
loc_id = config.get('location')
add_devices([HoneywellUSThermostat(client, device)
for location in client.locations_by_id.values()
for device in location.devices_by_id.values()
if ((not loc_id or location.locationid == loc_id) and
(not dev_id or device.deviceid == dev_id))])
return True
def setup_platform(hass, config, add_devices, discovery_info=None):
"""Setup the honeywel thermostat."""
username = config.get(CONF_USERNAME)
password = config.get(CONF_PASSWORD)
region = config.get('region', 'eu').lower()
if username is None or password is None:
_LOGGER.error("Missing required configuration items %s or %s",
CONF_USERNAME, CONF_PASSWORD)
return False
if region not in ('us', 'eu'):
_LOGGER.error('Region `%s` is invalid (use either us or eu)', region)
return False
if region == 'us':
return _setup_us(username, password, config, add_devices)
else:
return _setup_round(username, password, config, add_devices)
class RoundThermostat(ThermostatDevice):
"""Representation of a Honeywell Round Connected thermostat."""
# pylint: disable=too-many-instance-attributes, abstract-method
def __init__(self, device, zone_id, master, away_temp):
"""Initialize the thermostat."""
self.device = device
self._current_temperature = None
self._target_temperature = None
self._name = "round connected"
self._id = zone_id
self._master = master
self._is_dhw = False
self._away_temp = away_temp
self._away = False
self.update()
@property
def name(self):
"""Return the name of the honeywell, if any."""
return self._name
@property
def unit_of_measurement(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."""
if self._is_dhw:
return None
return self._target_temperature
def set_temperature(self, temperature):
"""Set new target temperature."""
self.device.set_temperature(self._name, temperature)
@property
def is_away_mode_on(self):
"""Return true if away mode is on."""
return self._away
def turn_away_mode_on(self):
"""Turn away on.
Evohome does have a proprietary away mode, but it doesn't really work
the way it should. For example: If you set a temperature manually
it doesn't get overwritten when away mode is switched on.
"""
self._away = True
self.device.set_temperature(self._name, self._away_temp)
def turn_away_mode_off(self):
"""Turn away off."""
self._away = False
self.device.cancel_temp_override(self._name)
def update(self):
"""Get the latest date."""
try:
# Only refresh if this is the "master" device,
# others will pick up the cache
for val in self.device.temperatures(force_refresh=self._master):
if val['id'] == self._id:
data = val
except StopIteration:
_LOGGER.error("Did not receive any temperature data from the "
"evohomeclient API.")
return
self._current_temperature = data['temp']
self._target_temperature = data['setpoint']
if data['thermostat'] == "DOMESTIC_HOT_WATER":
self._name = "Hot Water"
self._is_dhw = True
else:
self._name = data['name']
self._is_dhw = False
# pylint: disable=abstract-method
class HoneywellUSThermostat(ThermostatDevice):
"""Representation of a Honeywell US Thermostat."""
def __init__(self, client, device):
"""Initialize the thermostat."""
self._client = client
self._device = device
@property
def is_fan_on(self):
"""Return true if fan is on."""
return self._device.fan_running
@property
def name(self):
"""Return the name of the honeywell, if any."""
return self._device.name
@property
def unit_of_measurement(self):
"""Return the unit of measurement."""
return (TEMP_CELSIUS if self._device.temperature_unit == 'C'
else TEMP_FAHRENHEIT)
@property
def current_temperature(self):
"""Return the current temperature."""
self._device.refresh()
return self._device.current_temperature
@property
def target_temperature(self):
"""Return the temperature we try to reach."""
if self._device.system_mode == 'cool':
return self._device.setpoint_cool
else:
return self._device.setpoint_heat
def set_temperature(self, temperature):
"""Set target temperature."""
import somecomfort
try:
if self._device.system_mode == 'cool':
self._device.setpoint_cool = temperature
else:
self._device.setpoint_heat = temperature
except somecomfort.SomeComfortError:
_LOGGER.error('Temperature %.1f out of range', temperature)
@property
def device_state_attributes(self):
"""Return the device specific state attributes."""
return {'fan': (self.is_fan_on and 'running' or 'idle'),
'fanmode': self._device.fan_mode,
'system_mode': self._device.system_mode}
def turn_away_mode_on(self):
"""Turn away on."""
pass
def turn_away_mode_off(self):
"""Turn away off."""
pass