core/homeassistant/components/evohome/climate.py

380 lines
14 KiB
Python

"""Support for Climate devices of (EMEA/EU-based) Honeywell TCC systems."""
from datetime import datetime
import logging
from typing import Any, Dict, Optional, List
import requests.exceptions
import evohomeclient2
from homeassistant.components.climate import ClimateDevice
from homeassistant.components.climate.const import (
CURRENT_HVAC_HEAT, CURRENT_HVAC_IDLE, CURRENT_HVAC_OFF,
HVAC_MODE_AUTO, HVAC_MODE_HEAT, HVAC_MODE_OFF,
PRESET_AWAY, PRESET_ECO, PRESET_HOME, PRESET_NONE,
SUPPORT_TARGET_TEMPERATURE, SUPPORT_PRESET_MODE)
from homeassistant.const import PRECISION_TENTHS
from homeassistant.helpers.typing import ConfigType, HomeAssistantType
from homeassistant.util.dt import parse_datetime
from . import CONF_LOCATION_IDX, _handle_exception, EvoDevice
from .const import (
DOMAIN, EVO_RESET, EVO_AUTO, EVO_AUTOECO, EVO_AWAY, EVO_CUSTOM, EVO_DAYOFF,
EVO_HEATOFF, EVO_FOLLOW, EVO_TEMPOVER, EVO_PERMOVER)
_LOGGER = logging.getLogger(__name__)
PRESET_RESET = 'Reset' # reset all child zones to EVO_FOLLOW
PRESET_CUSTOM = 'Custom'
HA_HVAC_TO_TCS = {
HVAC_MODE_OFF: EVO_HEATOFF,
HVAC_MODE_HEAT: EVO_AUTO,
}
TCS_PRESET_TO_HA = {
EVO_AWAY: PRESET_AWAY,
EVO_CUSTOM: PRESET_CUSTOM,
EVO_AUTOECO: PRESET_ECO,
EVO_DAYOFF: PRESET_HOME,
EVO_RESET: PRESET_RESET,
} # EVO_AUTO: None,
HA_PRESET_TO_TCS = {v: k for k, v in TCS_PRESET_TO_HA.items()}
EVO_PRESET_TO_HA = {
EVO_FOLLOW: PRESET_NONE,
EVO_TEMPOVER: 'temporary',
EVO_PERMOVER: 'permanent',
}
HA_PRESET_TO_EVO = {v: k for k, v in EVO_PRESET_TO_HA.items()}
def setup_platform(hass: HomeAssistantType, hass_config: ConfigType,
add_entities, discovery_info=None) -> None:
"""Create the evohome Controller, and its Zones, if any."""
broker = hass.data[DOMAIN]['broker']
loc_idx = broker.params[CONF_LOCATION_IDX]
_LOGGER.debug(
"Found Location/Controller, id=%s [%s], name=%s (location_idx=%s)",
broker.tcs.systemId, broker.tcs.modelType, broker.tcs.location.name,
loc_idx)
# special case of RoundThermostat (is single zone)
if broker.config['zones'][0]['modelType'] == 'RoundModulation':
zone = list(broker.tcs.zones.values())[0]
_LOGGER.debug(
"Found %s, id=%s [%s], name=%s",
zone.zoneType, zone.zoneId, zone.modelType, zone.name)
add_entities([EvoThermostat(broker, zone)], update_before_add=True)
return
controller = EvoController(broker, broker.tcs)
zones = []
for zone in broker.tcs.zones.values():
_LOGGER.debug(
"Found %s, id=%s [%s], name=%s",
zone.zoneType, zone.zoneId, zone.modelType, zone.name)
zones.append(EvoZone(broker, zone))
add_entities([controller] + zones, update_before_add=True)
class EvoClimateDevice(EvoDevice, ClimateDevice):
"""Base for a Honeywell evohome Climate device."""
def __init__(self, evo_broker, evo_device) -> None:
"""Initialize the evohome Climate device."""
super().__init__(evo_broker, evo_device)
self._preset_modes = None
def _set_temperature(self, temperature: float,
until: Optional[datetime] = None) -> None:
"""Set a new target temperature for the Zone.
until == None means indefinitely (i.e. PermanentOverride)
"""
try:
self._evo_device.set_temperature(temperature, until)
except (requests.exceptions.RequestException,
evohomeclient2.AuthenticationError) as err:
_handle_exception(err)
def _set_zone_mode(self, op_mode: str) -> None:
"""Set a Zone to one of its native EVO_* operating modes.
Zones inherit their _effective_ operating mode from the Controller.
Usually, Zones are in 'FollowSchedule' mode, where their setpoints are
a function of their own schedule and the Controller's operating mode,
e.g. 'AutoWithEco' mode means their setpoint is (by default) 3C less
than scheduled.
However, Zones can _override_ these setpoints, either indefinitely,
'PermanentOverride' mode, or for a period of time, 'TemporaryOverride',
after which they will revert back to 'FollowSchedule'.
Finally, some of the Controller's operating modes are _forced_ upon the
Zones, regardless of any override mode, e.g. 'HeatingOff', Zones to
(by default) 5C, and 'Away', Zones to (by default) 12C.
"""
if op_mode == EVO_FOLLOW:
try:
self._evo_device.cancel_temp_override()
except (requests.exceptions.RequestException,
evohomeclient2.AuthenticationError) as err:
_handle_exception(err)
return
temperature = self._evo_device.setpointStatus['targetHeatTemperature']
until = None # EVO_PERMOVER
if op_mode == EVO_TEMPOVER and self._schedule['DailySchedules']:
self._update_schedule()
if self._schedule['DailySchedules']:
until = parse_datetime(self.setpoints['next']['from'])
self._set_temperature(temperature, until=until)
def _set_tcs_mode(self, op_mode: str) -> None:
"""Set the Controller to any of its native EVO_* operating modes."""
try:
self._evo_tcs._set_status(op_mode) # noqa: E501; pylint: disable=protected-access
except (requests.exceptions.RequestException,
evohomeclient2.AuthenticationError) as err:
_handle_exception(err)
@property
def hvac_modes(self) -> List[str]:
"""Return the list of available hvac operation modes."""
return list(HA_HVAC_TO_TCS)
@property
def preset_modes(self) -> Optional[List[str]]:
"""Return a list of available preset modes."""
return self._preset_modes
class EvoZone(EvoClimateDevice):
"""Base for a Honeywell evohome Zone."""
def __init__(self, evo_broker, evo_device) -> None:
"""Initialize the evohome Zone."""
super().__init__(evo_broker, evo_device)
self._name = evo_device.name
self._icon = 'mdi:radiator'
self._precision = \
self._evo_device.setpointCapabilities['valueResolution']
self._state_attributes = [
'zoneId', 'activeFaults', 'setpointStatus', 'temperatureStatus',
'setpoints']
self._supported_features = SUPPORT_PRESET_MODE | \
SUPPORT_TARGET_TEMPERATURE
self._preset_modes = list(HA_PRESET_TO_EVO)
@property
def hvac_mode(self) -> str:
"""Return the current operating mode of the evohome Zone."""
if self._evo_tcs.systemModeStatus['mode'] in [EVO_AWAY, EVO_HEATOFF]:
return HVAC_MODE_AUTO
is_off = self.target_temperature <= self.min_temp
return HVAC_MODE_OFF if is_off else HVAC_MODE_HEAT
@property
def hvac_action(self) -> Optional[str]:
"""Return the current running hvac operation if supported."""
if self._evo_tcs.systemModeStatus['mode'] == EVO_HEATOFF:
return CURRENT_HVAC_OFF
if self.target_temperature <= self.min_temp:
return CURRENT_HVAC_OFF
if self.target_temperature < self.current_temperature:
return CURRENT_HVAC_IDLE
return CURRENT_HVAC_HEAT
@property
def current_temperature(self) -> Optional[float]:
"""Return the current temperature of the evohome Zone."""
return (self._evo_device.temperatureStatus['temperature']
if self._evo_device.temperatureStatus['isAvailable'] else None)
@property
def target_temperature(self) -> float:
"""Return the target temperature of the evohome Zone."""
if self._evo_tcs.systemModeStatus['mode'] == EVO_HEATOFF:
return self._evo_device.setpointCapabilities['minHeatSetpoint']
return self._evo_device.setpointStatus['targetHeatTemperature']
@property
def preset_mode(self) -> Optional[str]:
"""Return the current preset mode, e.g., home, away, temp."""
if self._evo_tcs.systemModeStatus['mode'] in [EVO_AWAY, EVO_HEATOFF]:
return TCS_PRESET_TO_HA.get(self._evo_tcs.systemModeStatus['mode'])
return EVO_PRESET_TO_HA.get(
self._evo_device.setpointStatus['setpointMode'], 'follow')
@property
def min_temp(self) -> float:
"""Return the minimum target temperature of a evohome Zone.
The default is 5, but is user-configurable within 5-35 (in Celsius).
"""
return self._evo_device.setpointCapabilities['minHeatSetpoint']
@property
def max_temp(self) -> float:
"""Return the maximum target temperature of a evohome Zone.
The default is 35, but is user-configurable within 5-35 (in Celsius).
"""
return self._evo_device.setpointCapabilities['maxHeatSetpoint']
def set_temperature(self, **kwargs) -> None:
"""Set a new target temperature."""
until = kwargs.get('until')
if until:
until = parse_datetime(until)
self._set_temperature(kwargs['temperature'], until)
def set_hvac_mode(self, hvac_mode: str) -> None:
"""Set an operating mode for the Zone."""
if hvac_mode == HVAC_MODE_OFF:
self._set_temperature(self.min_temp, until=None)
else: # HVAC_MODE_HEAT
self._set_zone_mode(EVO_FOLLOW)
def set_preset_mode(self, preset_mode: Optional[str]) -> None:
"""Set a new preset mode.
If preset_mode is None, then revert to following the schedule.
"""
self._set_zone_mode(HA_PRESET_TO_EVO.get(preset_mode, EVO_FOLLOW))
class EvoController(EvoClimateDevice):
"""Base for a Honeywell evohome Controller (hub).
The Controller (aka TCS, temperature control system) is the parent of all
the child (CH/DHW) devices. It is also a Climate device.
"""
def __init__(self, evo_broker, evo_device) -> None:
"""Initialize the evohome Controller (hub)."""
super().__init__(evo_broker, evo_device)
self._name = evo_device.location.name
self._icon = 'mdi:thermostat'
self._precision = PRECISION_TENTHS
self._state_attributes = [
'systemId', 'activeFaults', 'systemModeStatus']
self._supported_features = SUPPORT_PRESET_MODE
self._preset_modes = list(HA_PRESET_TO_TCS)
@property
def hvac_mode(self) -> str:
"""Return the current operating mode of the evohome Controller."""
tcs_mode = self._evo_tcs.systemModeStatus['mode']
return HVAC_MODE_OFF if tcs_mode == EVO_HEATOFF else HVAC_MODE_HEAT
@property
def current_temperature(self) -> Optional[float]:
"""Return the average current temperature of the heating Zones.
Controllers do not have a current temp, but one is expected by HA.
"""
temps = [z.temperatureStatus['temperature']
for z in self._evo_tcs.zones.values()
if z.temperatureStatus['isAvailable']]
return round(sum(temps) / len(temps), 1) if temps else None
@property
def preset_mode(self) -> Optional[str]:
"""Return the current preset mode, e.g., home, away, temp."""
return TCS_PRESET_TO_HA.get(self._evo_tcs.systemModeStatus['mode'])
def set_temperature(self, **kwargs) -> None:
"""Do nothing.
The evohome Controller doesn't have a target temperature.
"""
return
def set_hvac_mode(self, hvac_mode: str) -> None:
"""Set an operating mode for the Controller."""
self._set_tcs_mode(HA_HVAC_TO_TCS.get(hvac_mode))
def set_preset_mode(self, preset_mode: Optional[str]) -> None:
"""Set a new preset mode.
If preset_mode is None, then revert to 'Auto' mode.
"""
self._set_tcs_mode(HA_PRESET_TO_TCS.get(preset_mode, EVO_AUTO))
def update(self) -> None:
"""Get the latest state data."""
return
class EvoThermostat(EvoZone):
"""Base for a Honeywell Round Thermostat.
Implemented as a combined Controller/Zone.
"""
def __init__(self, evo_broker, evo_device) -> None:
"""Initialize the Round Thermostat."""
super().__init__(evo_broker, evo_device)
self._name = evo_broker.tcs.location.name
self._preset_modes = [PRESET_AWAY, PRESET_ECO]
@property
def device_state_attributes(self) -> Dict[str, Any]:
"""Return the device-specific state attributes."""
status = super().device_state_attributes['status']
status['systemModeStatus'] = self._evo_tcs.systemModeStatus
status['activeFaults'] += self._evo_tcs.activeFaults
return {'status': status}
@property
def hvac_mode(self) -> str:
"""Return the current operating mode."""
if self._evo_tcs.systemModeStatus['mode'] == EVO_HEATOFF:
return HVAC_MODE_OFF
return super().hvac_mode
@property
def preset_mode(self) -> Optional[str]:
"""Return the current preset mode, e.g., home, away, temp."""
if self._evo_tcs.systemModeStatus['mode'] == EVO_AUTOECO and \
self._evo_device.setpointStatus['setpointMode'] == EVO_FOLLOW:
return PRESET_ECO
return super().preset_mode
def set_hvac_mode(self, hvac_mode: str) -> None:
"""Set an operating mode."""
self._set_tcs_mode(HA_HVAC_TO_TCS.get(hvac_mode))
def set_preset_mode(self, preset_mode: Optional[str]) -> None:
"""Set a new preset mode.
If preset_mode is None, then revert to following the schedule.
"""
if preset_mode in list(HA_PRESET_TO_TCS):
self._set_tcs_mode(HA_PRESET_TO_TCS.get(preset_mode))
else:
self._set_zone_mode(HA_PRESET_TO_EVO.get(preset_mode, EVO_FOLLOW))