mirror of
https://github.com/home-assistant/core
synced 2024-09-09 12:51:22 +02:00
670 lines
21 KiB
Python
670 lines
21 KiB
Python
"""Support for the iZone HVAC."""
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from __future__ import annotations
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import logging
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from pizone import Controller, Zone
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import voluptuous as vol
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from homeassistant.components.climate import ClimateEntity
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from homeassistant.components.climate.const import (
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FAN_AUTO,
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FAN_HIGH,
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FAN_LOW,
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FAN_MEDIUM,
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HVAC_MODE_COOL,
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HVAC_MODE_DRY,
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HVAC_MODE_FAN_ONLY,
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HVAC_MODE_HEAT,
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HVAC_MODE_HEAT_COOL,
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HVAC_MODE_OFF,
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PRESET_ECO,
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PRESET_NONE,
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SUPPORT_FAN_MODE,
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SUPPORT_PRESET_MODE,
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SUPPORT_TARGET_TEMPERATURE,
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)
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from homeassistant.const import (
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ATTR_TEMPERATURE,
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CONF_EXCLUDE,
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PRECISION_HALVES,
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PRECISION_TENTHS,
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TEMP_CELSIUS,
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)
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from homeassistant.core import callback
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from homeassistant.helpers import entity_platform
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from homeassistant.helpers.dispatcher import async_dispatcher_connect
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from homeassistant.helpers.temperature import display_temp as show_temp
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from homeassistant.helpers.typing import ConfigType, HomeAssistantType
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from .const import (
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DATA_CONFIG,
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DATA_DISCOVERY_SERVICE,
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DISPATCH_CONTROLLER_DISCONNECTED,
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DISPATCH_CONTROLLER_DISCOVERED,
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DISPATCH_CONTROLLER_RECONNECTED,
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DISPATCH_CONTROLLER_UPDATE,
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DISPATCH_ZONE_UPDATE,
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IZONE,
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)
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_LOGGER = logging.getLogger(__name__)
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_IZONE_FAN_TO_HA = {
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Controller.Fan.LOW: FAN_LOW,
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Controller.Fan.MED: FAN_MEDIUM,
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Controller.Fan.HIGH: FAN_HIGH,
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Controller.Fan.AUTO: FAN_AUTO,
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}
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ATTR_AIRFLOW = "airflow"
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IZONE_SERVICE_AIRFLOW_MIN = "airflow_min"
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IZONE_SERVICE_AIRFLOW_MAX = "airflow_max"
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IZONE_SERVICE_AIRFLOW_SCHEMA = {
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vol.Required(ATTR_AIRFLOW): vol.All(
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vol.Coerce(int), vol.Range(min=0, max=100), msg="invalid airflow"
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),
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}
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async def async_setup_entry(
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hass: HomeAssistantType, config: ConfigType, async_add_entities
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):
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"""Initialize an IZone Controller."""
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disco = hass.data[DATA_DISCOVERY_SERVICE]
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@callback
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def init_controller(ctrl: Controller):
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"""Register the controller device and the containing zones."""
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conf: ConfigType = hass.data.get(DATA_CONFIG)
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# Filter out any entities excluded in the config file
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if conf and ctrl.device_uid in conf[CONF_EXCLUDE]:
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_LOGGER.info("Controller UID=%s ignored as excluded", ctrl.device_uid)
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return
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_LOGGER.info("Controller UID=%s discovered", ctrl.device_uid)
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device = ControllerDevice(ctrl)
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async_add_entities([device])
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async_add_entities(device.zones.values())
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# create any components not yet created
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for controller in disco.pi_disco.controllers.values():
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init_controller(controller)
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# connect to register any further components
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async_dispatcher_connect(hass, DISPATCH_CONTROLLER_DISCOVERED, init_controller)
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platform = entity_platform.current_platform.get()
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platform.async_register_entity_service(
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IZONE_SERVICE_AIRFLOW_MIN,
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IZONE_SERVICE_AIRFLOW_SCHEMA,
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"async_set_airflow_min",
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)
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platform.async_register_entity_service(
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IZONE_SERVICE_AIRFLOW_MAX,
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IZONE_SERVICE_AIRFLOW_SCHEMA,
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"async_set_airflow_max",
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)
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return True
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def _return_on_connection_error(ret=None):
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def wrap(func):
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def wrapped_f(*args, **kwargs):
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if not args[0].available:
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return ret
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try:
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return func(*args, **kwargs)
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except ConnectionError:
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return ret
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return wrapped_f
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return wrap
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class ControllerDevice(ClimateEntity):
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"""Representation of iZone Controller."""
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def __init__(self, controller: Controller) -> None:
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"""Initialise ControllerDevice."""
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self._controller = controller
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self._supported_features = SUPPORT_FAN_MODE
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# If mode RAS, or mode master with CtrlZone 13 then can set master temperature,
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# otherwise the unit determines which zone to use as target. See interface manual p. 8
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if (
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controller.ras_mode == "master" and controller.zone_ctrl == 13
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) or controller.ras_mode == "RAS":
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self._supported_features |= SUPPORT_TARGET_TEMPERATURE
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self._state_to_pizone = {
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HVAC_MODE_COOL: Controller.Mode.COOL,
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HVAC_MODE_HEAT: Controller.Mode.HEAT,
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HVAC_MODE_HEAT_COOL: Controller.Mode.AUTO,
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HVAC_MODE_FAN_ONLY: Controller.Mode.VENT,
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HVAC_MODE_DRY: Controller.Mode.DRY,
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}
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if controller.free_air_enabled:
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self._supported_features |= SUPPORT_PRESET_MODE
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self._fan_to_pizone = {}
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for fan in controller.fan_modes:
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self._fan_to_pizone[_IZONE_FAN_TO_HA[fan]] = fan
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self._available = True
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self._device_info = {
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"identifiers": {(IZONE, self.unique_id)},
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"name": self.name,
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"manufacturer": "IZone",
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"model": self._controller.sys_type,
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}
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# Create the zones
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self.zones = {}
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for zone in controller.zones:
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self.zones[zone] = ZoneDevice(self, zone)
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async def async_added_to_hass(self):
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"""Call on adding to hass."""
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# Register for connect/disconnect/update events
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@callback
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def controller_disconnected(ctrl: Controller, ex: Exception) -> None:
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"""Disconnected from controller."""
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if ctrl is not self._controller:
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return
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self.set_available(False, ex)
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self.async_on_remove(
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async_dispatcher_connect(
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self.hass, DISPATCH_CONTROLLER_DISCONNECTED, controller_disconnected
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)
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)
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@callback
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def controller_reconnected(ctrl: Controller) -> None:
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"""Reconnected to controller."""
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if ctrl is not self._controller:
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return
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self.set_available(True)
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self.async_on_remove(
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async_dispatcher_connect(
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self.hass, DISPATCH_CONTROLLER_RECONNECTED, controller_reconnected
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)
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)
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@callback
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def controller_update(ctrl: Controller) -> None:
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"""Handle controller data updates."""
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if ctrl is not self._controller:
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return
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self.async_write_ha_state()
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for zone in self.zones.values():
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zone.async_schedule_update_ha_state()
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self.async_on_remove(
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async_dispatcher_connect(
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self.hass, DISPATCH_CONTROLLER_UPDATE, controller_update
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)
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)
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@property
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def available(self) -> bool:
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"""Return True if entity is available."""
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return self._available
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@callback
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def set_available(self, available: bool, ex: Exception = None) -> None:
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"""
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Set availability for the controller.
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Also sets zone availability as they follow the same availability.
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"""
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if self.available == available:
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return
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if available:
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_LOGGER.info("Reconnected controller %s ", self._controller.device_uid)
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else:
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_LOGGER.info(
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"Controller %s disconnected due to exception: %s",
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self._controller.device_uid,
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ex,
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)
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self._available = available
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self.async_write_ha_state()
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for zone in self.zones.values():
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zone.async_schedule_update_ha_state()
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@property
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def device_info(self):
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"""Return the device info for the iZone system."""
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return self._device_info
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@property
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def unique_id(self):
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"""Return the ID of the controller device."""
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return self._controller.device_uid
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@property
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def name(self) -> str:
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"""Return the name of the entity."""
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return f"iZone Controller {self._controller.device_uid}"
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@property
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def should_poll(self) -> bool:
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"""Return True if entity has to be polled for state.
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False if entity pushes its state to HA.
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"""
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return False
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@property
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def supported_features(self) -> int:
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"""Return the list of supported features."""
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return self._supported_features
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@property
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def temperature_unit(self) -> str:
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"""Return the unit of measurement which this thermostat uses."""
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return TEMP_CELSIUS
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@property
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def precision(self) -> float:
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"""Return the precision of the system."""
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return PRECISION_TENTHS
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@property
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def extra_state_attributes(self):
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"""Return the optional state attributes."""
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return {
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"supply_temperature": show_temp(
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self.hass,
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self.supply_temperature,
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self.temperature_unit,
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self.precision,
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),
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"temp_setpoint": show_temp(
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self.hass,
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self._controller.temp_setpoint,
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self.temperature_unit,
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PRECISION_HALVES,
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),
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"control_zone": self._controller.zone_ctrl,
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"control_zone_name": self.control_zone_name,
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# Feature SUPPORT_TARGET_TEMPERATURE controls both displaying target temp & setting it
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# As the feature is turned off for zone control, report target temp as extra state attribute
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"control_zone_setpoint": show_temp(
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self.hass,
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self.control_zone_setpoint,
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self.temperature_unit,
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PRECISION_HALVES,
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),
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}
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@property
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def hvac_mode(self) -> str:
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"""Return current operation ie. heat, cool, idle."""
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if not self._controller.is_on:
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return HVAC_MODE_OFF
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mode = self._controller.mode
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if mode == Controller.Mode.FREE_AIR:
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return HVAC_MODE_FAN_ONLY
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for (key, value) in self._state_to_pizone.items():
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if value == mode:
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return key
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assert False, "Should be unreachable"
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@property
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@_return_on_connection_error([])
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def hvac_modes(self) -> list[str]:
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"""Return the list of available operation modes."""
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if self._controller.free_air:
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return [HVAC_MODE_OFF, HVAC_MODE_FAN_ONLY]
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return [HVAC_MODE_OFF, *self._state_to_pizone]
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@property
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@_return_on_connection_error(PRESET_NONE)
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def preset_mode(self):
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"""Eco mode is external air."""
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return PRESET_ECO if self._controller.free_air else PRESET_NONE
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@property
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@_return_on_connection_error([PRESET_NONE])
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def preset_modes(self):
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"""Available preset modes, normal or eco."""
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if self._controller.free_air_enabled:
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return [PRESET_NONE, PRESET_ECO]
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return [PRESET_NONE]
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@property
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@_return_on_connection_error()
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def current_temperature(self) -> float | None:
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"""Return the current temperature."""
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if self._controller.mode == Controller.Mode.FREE_AIR:
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return self._controller.temp_supply
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return self._controller.temp_return
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@property
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def control_zone_name(self):
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"""Return the zone that currently controls the AC unit (if target temp not set by controller)."""
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if self._supported_features & SUPPORT_TARGET_TEMPERATURE:
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return None
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zone_ctrl = self._controller.zone_ctrl
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zone = next((z for z in self.zones.values() if z.zone_index == zone_ctrl), None)
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if zone is None:
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return None
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return zone.name
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@property
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def control_zone_setpoint(self) -> float | None:
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"""Return the temperature setpoint of the zone that currently controls the AC unit (if target temp not set by controller)."""
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if self._supported_features & SUPPORT_TARGET_TEMPERATURE:
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return None
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zone_ctrl = self._controller.zone_ctrl
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zone = next((z for z in self.zones.values() if z.zone_index == zone_ctrl), None)
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if zone is None:
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return None
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return zone.target_temperature
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@property
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@_return_on_connection_error()
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def target_temperature(self) -> float | None:
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"""Return the temperature we try to reach (either from control zone or master unit)."""
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if self._supported_features & SUPPORT_TARGET_TEMPERATURE:
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return self._controller.temp_setpoint
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return self.control_zone_setpoint
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@property
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def supply_temperature(self) -> float:
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"""Return the current supply, or in duct, temperature."""
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return self._controller.temp_supply
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@property
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def target_temperature_step(self) -> float | None:
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"""Return the supported step of target temperature."""
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return 0.5
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@property
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def fan_mode(self) -> str | None:
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"""Return the fan setting."""
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return _IZONE_FAN_TO_HA[self._controller.fan]
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@property
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def fan_modes(self) -> list[str] | None:
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"""Return the list of available fan modes."""
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return list(self._fan_to_pizone)
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@property
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@_return_on_connection_error(0.0)
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def min_temp(self) -> float:
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"""Return the minimum temperature."""
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return self._controller.temp_min
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@property
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@_return_on_connection_error(50.0)
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def max_temp(self) -> float:
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"""Return the maximum temperature."""
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return self._controller.temp_max
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async def wrap_and_catch(self, coro):
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"""Catch any connection errors and set unavailable."""
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try:
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await coro
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except ConnectionError as ex:
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self.set_available(False, ex)
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else:
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self.set_available(True)
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async def async_set_temperature(self, **kwargs) -> None:
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"""Set new target temperature."""
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if not self.supported_features & SUPPORT_TARGET_TEMPERATURE:
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self.async_schedule_update_ha_state(True)
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return
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temp = kwargs.get(ATTR_TEMPERATURE)
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if temp is not None:
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await self.wrap_and_catch(self._controller.set_temp_setpoint(temp))
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async def async_set_fan_mode(self, fan_mode: str) -> None:
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"""Set new target fan mode."""
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fan = self._fan_to_pizone[fan_mode]
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await self.wrap_and_catch(self._controller.set_fan(fan))
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async def async_set_hvac_mode(self, hvac_mode: str) -> None:
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"""Set new target operation mode."""
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if hvac_mode == HVAC_MODE_OFF:
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await self.wrap_and_catch(self._controller.set_on(False))
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return
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if not self._controller.is_on:
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await self.wrap_and_catch(self._controller.set_on(True))
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if self._controller.free_air:
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return
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mode = self._state_to_pizone[hvac_mode]
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await self.wrap_and_catch(self._controller.set_mode(mode))
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async def async_set_preset_mode(self, preset_mode: str) -> None:
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"""Set the preset mode."""
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await self.wrap_and_catch(
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self._controller.set_free_air(preset_mode == PRESET_ECO)
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)
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async def async_turn_on(self) -> None:
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"""Turn the entity on."""
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await self.wrap_and_catch(self._controller.set_on(True))
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class ZoneDevice(ClimateEntity):
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"""Representation of iZone Zone."""
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def __init__(self, controller: ControllerDevice, zone: Zone) -> None:
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"""Initialise ZoneDevice."""
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self._controller = controller
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self._zone = zone
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self._name = zone.name.title()
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self._supported_features = 0
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if zone.type != Zone.Type.AUTO:
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self._state_to_pizone = {
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HVAC_MODE_OFF: Zone.Mode.CLOSE,
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HVAC_MODE_FAN_ONLY: Zone.Mode.OPEN,
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}
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else:
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self._state_to_pizone = {
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HVAC_MODE_OFF: Zone.Mode.CLOSE,
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HVAC_MODE_FAN_ONLY: Zone.Mode.OPEN,
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HVAC_MODE_HEAT_COOL: Zone.Mode.AUTO,
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}
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self._supported_features |= SUPPORT_TARGET_TEMPERATURE
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self._device_info = {
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"identifiers": {(IZONE, controller.unique_id, zone.index)},
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"name": self.name,
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"manufacturer": "IZone",
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"via_device": (IZONE, controller.unique_id),
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"model": zone.type.name.title(),
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}
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async def async_added_to_hass(self):
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"""Call on adding to hass."""
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@callback
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def zone_update(ctrl: Controller, zone: Zone) -> None:
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"""Handle zone data updates."""
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if zone is not self._zone:
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return
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self._name = zone.name.title()
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self.async_write_ha_state()
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self.async_on_remove(
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async_dispatcher_connect(self.hass, DISPATCH_ZONE_UPDATE, zone_update)
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)
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@property
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def available(self) -> bool:
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"""Return True if entity is available."""
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return self._controller.available
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@property
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def assumed_state(self) -> bool:
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"""Return True if unable to access real state of the entity."""
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return self._controller.assumed_state
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@property
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def device_info(self):
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"""Return the device info for the iZone system."""
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return self._device_info
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@property
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def unique_id(self):
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"""Return the ID of the controller device."""
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return f"{self._controller.unique_id}_z{self._zone.index + 1}"
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@property
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def name(self) -> str:
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"""Return the name of the entity."""
|
|
return self._name
|
|
|
|
@property
|
|
def should_poll(self) -> bool:
|
|
"""Return True if entity has to be polled for state.
|
|
|
|
False if entity pushes its state to HA.
|
|
"""
|
|
return False
|
|
|
|
@property
|
|
@_return_on_connection_error(0)
|
|
def supported_features(self):
|
|
"""Return the list of supported features."""
|
|
if self._zone.mode == Zone.Mode.AUTO:
|
|
return self._supported_features
|
|
return self._supported_features & ~SUPPORT_TARGET_TEMPERATURE
|
|
|
|
@property
|
|
def temperature_unit(self):
|
|
"""Return the unit of measurement which this thermostat uses."""
|
|
return TEMP_CELSIUS
|
|
|
|
@property
|
|
def precision(self):
|
|
"""Return the precision of the system."""
|
|
return PRECISION_TENTHS
|
|
|
|
@property
|
|
def hvac_mode(self):
|
|
"""Return current operation ie. heat, cool, idle."""
|
|
mode = self._zone.mode
|
|
for (key, value) in self._state_to_pizone.items():
|
|
if value == mode:
|
|
return key
|
|
return None
|
|
|
|
@property
|
|
def hvac_modes(self):
|
|
"""Return the list of available operation modes."""
|
|
return list(self._state_to_pizone)
|
|
|
|
@property
|
|
def current_temperature(self):
|
|
"""Return the current temperature."""
|
|
return self._zone.temp_current
|
|
|
|
@property
|
|
def target_temperature(self):
|
|
"""Return the temperature we try to reach."""
|
|
if self._zone.type != Zone.Type.AUTO:
|
|
return None
|
|
return self._zone.temp_setpoint
|
|
|
|
@property
|
|
def target_temperature_step(self):
|
|
"""Return the supported step of target temperature."""
|
|
return 0.5
|
|
|
|
@property
|
|
def min_temp(self):
|
|
"""Return the minimum temperature."""
|
|
return self._controller.min_temp
|
|
|
|
@property
|
|
def max_temp(self):
|
|
"""Return the maximum temperature."""
|
|
return self._controller.max_temp
|
|
|
|
@property
|
|
def airflow_min(self):
|
|
"""Return the minimum air flow."""
|
|
return self._zone.airflow_min
|
|
|
|
@property
|
|
def airflow_max(self):
|
|
"""Return the maximum air flow."""
|
|
return self._zone.airflow_max
|
|
|
|
async def async_set_airflow_min(self, **kwargs):
|
|
"""Set new airflow minimum."""
|
|
await self._controller.wrap_and_catch(
|
|
self._zone.set_airflow_min(int(kwargs[ATTR_AIRFLOW]))
|
|
)
|
|
self.async_write_ha_state()
|
|
|
|
async def async_set_airflow_max(self, **kwargs):
|
|
"""Set new airflow maximum."""
|
|
await self._controller.wrap_and_catch(
|
|
self._zone.set_airflow_max(int(kwargs[ATTR_AIRFLOW]))
|
|
)
|
|
self.async_write_ha_state()
|
|
|
|
async def async_set_temperature(self, **kwargs):
|
|
"""Set new target temperature."""
|
|
if self._zone.mode != Zone.Mode.AUTO:
|
|
return
|
|
temp = kwargs.get(ATTR_TEMPERATURE)
|
|
if temp is not None:
|
|
await self._controller.wrap_and_catch(self._zone.set_temp_setpoint(temp))
|
|
|
|
async def async_set_hvac_mode(self, hvac_mode: str) -> None:
|
|
"""Set new target operation mode."""
|
|
mode = self._state_to_pizone[hvac_mode]
|
|
await self._controller.wrap_and_catch(self._zone.set_mode(mode))
|
|
self.async_write_ha_state()
|
|
|
|
@property
|
|
def is_on(self):
|
|
"""Return true if on."""
|
|
return self._zone.mode != Zone.Mode.CLOSE
|
|
|
|
async def async_turn_on(self):
|
|
"""Turn device on (open zone)."""
|
|
if self._zone.type == Zone.Type.AUTO:
|
|
await self._controller.wrap_and_catch(self._zone.set_mode(Zone.Mode.AUTO))
|
|
else:
|
|
await self._controller.wrap_and_catch(self._zone.set_mode(Zone.Mode.OPEN))
|
|
self.async_write_ha_state()
|
|
|
|
async def async_turn_off(self):
|
|
"""Turn device off (close zone)."""
|
|
await self._controller.wrap_and_catch(self._zone.set_mode(Zone.Mode.CLOSE))
|
|
self.async_write_ha_state()
|
|
|
|
@property
|
|
def zone_index(self):
|
|
"""Return the zone index for matching to CtrlZone."""
|
|
return self._zone.index
|
|
|
|
@property
|
|
def extra_state_attributes(self):
|
|
"""Return the optional state attributes."""
|
|
return {
|
|
"airflow_max": self._zone.airflow_max,
|
|
"airflow_min": self._zone.airflow_min,
|
|
"zone_index": self.zone_index,
|
|
}
|