122 lines
3.7 KiB
Python
122 lines
3.7 KiB
Python
"""Platform to control a Salda Smarty XP/XV ventilation unit."""
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from __future__ import annotations
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import logging
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import math
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from typing import Any
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from pysmarty import Smarty
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from homeassistant.components.fan import FanEntity, FanEntityFeature
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.exceptions import HomeAssistantError
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from homeassistant.helpers.dispatcher import async_dispatcher_connect
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
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from homeassistant.util.percentage import (
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int_states_in_range,
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percentage_to_ranged_value,
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ranged_value_to_percentage,
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)
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from . import DOMAIN, SIGNAL_UPDATE_SMARTY
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_LOGGER = logging.getLogger(__name__)
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DEFAULT_ON_PERCENTAGE = 66
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SPEED_RANGE = (1, 3) # off is not included
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async def async_setup_platform(
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hass: HomeAssistant,
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config: ConfigType,
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async_add_entities: AddEntitiesCallback,
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discovery_info: DiscoveryInfoType | None = None,
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) -> None:
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"""Set up the Smarty Fan Platform."""
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smarty: Smarty = hass.data[DOMAIN]["api"]
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name: str = hass.data[DOMAIN]["name"]
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async_add_entities([SmartyFan(name, smarty)], True)
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class SmartyFan(FanEntity):
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"""Representation of a Smarty Fan."""
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_attr_icon = "mdi:air-conditioner"
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_attr_should_poll = False
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_attr_supported_features = FanEntityFeature.SET_SPEED
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def __init__(self, name, smarty):
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"""Initialize the entity."""
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self._attr_name = name
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self._smarty_fan_speed = 0
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self._smarty = smarty
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@property
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def is_on(self) -> bool:
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"""Return state of the fan."""
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return bool(self._smarty_fan_speed)
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@property
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def speed_count(self) -> int:
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"""Return the number of speeds the fan supports."""
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return int_states_in_range(SPEED_RANGE)
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@property
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def percentage(self) -> int:
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"""Return speed percentage of the fan."""
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if self._smarty_fan_speed == 0:
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return 0
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return ranged_value_to_percentage(SPEED_RANGE, self._smarty_fan_speed)
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def set_percentage(self, percentage: int) -> None:
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"""Set the speed percentage of the fan."""
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_LOGGER.debug("Set the fan percentage to %s", percentage)
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if percentage == 0:
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self.turn_off()
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return
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fan_speed = math.ceil(percentage_to_ranged_value(SPEED_RANGE, percentage))
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if not self._smarty.set_fan_speed(fan_speed):
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raise HomeAssistantError(
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f"Failed to set the fan speed percentage to {percentage}"
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)
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self._smarty_fan_speed = fan_speed
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self.schedule_update_ha_state()
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def turn_on(
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self,
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percentage: int | None = None,
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preset_mode: str | None = None,
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**kwargs: Any,
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) -> None:
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"""Turn on the fan."""
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_LOGGER.debug("Turning on fan. percentage is %s", percentage)
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self.set_percentage(percentage or DEFAULT_ON_PERCENTAGE)
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def turn_off(self, **kwargs: Any) -> None:
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"""Turn off the fan."""
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_LOGGER.debug("Turning off fan")
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if not self._smarty.turn_off():
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raise HomeAssistantError("Failed to turn off the fan")
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self._smarty_fan_speed = 0
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self.schedule_update_ha_state()
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async def async_added_to_hass(self) -> None:
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"""Call to update fan."""
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self.async_on_remove(
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async_dispatcher_connect(
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self.hass, SIGNAL_UPDATE_SMARTY, self._update_callback
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)
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)
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@callback
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def _update_callback(self) -> None:
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"""Call update method."""
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_LOGGER.debug("Updating state")
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self._smarty_fan_speed = self._smarty.fan_speed
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self.async_write_ha_state()
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