core/homeassistant/components/esphome/fan.py

152 lines
4.5 KiB
Python

"""Support for ESPHome fans."""
from typing import Optional
from aioesphomeapi import FanDirection, FanInfo, FanSpeed, FanState
from homeassistant.components.fan import (
DIRECTION_FORWARD,
DIRECTION_REVERSE,
SUPPORT_DIRECTION,
SUPPORT_OSCILLATE,
SUPPORT_SET_SPEED,
FanEntity,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.helpers.typing import HomeAssistantType
from homeassistant.util.percentage import (
ordered_list_item_to_percentage,
percentage_to_ordered_list_item,
)
from . import (
EsphomeEntity,
esphome_map_enum,
esphome_state_property,
platform_async_setup_entry,
)
ORDERED_NAMED_FAN_SPEEDS = [FanSpeed.LOW, FanSpeed.MEDIUM, FanSpeed.HIGH]
async def async_setup_entry(
hass: HomeAssistantType, entry: ConfigEntry, async_add_entities
) -> None:
"""Set up ESPHome fans based on a config entry."""
await platform_async_setup_entry(
hass,
entry,
async_add_entities,
component_key="fan",
info_type=FanInfo,
entity_type=EsphomeFan,
state_type=FanState,
)
@esphome_map_enum
def _fan_directions():
return {
FanDirection.FORWARD: DIRECTION_FORWARD,
FanDirection.REVERSE: DIRECTION_REVERSE,
}
class EsphomeFan(EsphomeEntity, FanEntity):
"""A fan implementation for ESPHome."""
@property
def _static_info(self) -> FanInfo:
return super()._static_info
@property
def _state(self) -> Optional[FanState]:
return super()._state
async def async_set_percentage(self, percentage: int) -> None:
"""Set the speed percentage of the fan."""
if percentage == 0:
await self.async_turn_off()
return
data = {"key": self._static_info.key, "state": True}
if percentage is not None:
named_speed = percentage_to_ordered_list_item(
ORDERED_NAMED_FAN_SPEEDS, percentage
)
data["speed"] = named_speed
await self._client.fan_command(**data)
async def async_turn_on(
self,
speed: Optional[str] = None,
percentage: Optional[int] = None,
preset_mode: Optional[str] = None,
**kwargs,
) -> None:
"""Turn on the fan."""
await self.async_set_percentage(percentage)
async def async_turn_off(self, **kwargs) -> None:
"""Turn off the fan."""
await self._client.fan_command(key=self._static_info.key, state=False)
async def async_oscillate(self, oscillating: bool) -> None:
"""Oscillate the fan."""
await self._client.fan_command(
key=self._static_info.key, oscillating=oscillating
)
async def async_set_direction(self, direction: str):
"""Set direction of the fan."""
await self._client.fan_command(
key=self._static_info.key, direction=_fan_directions.from_hass(direction)
)
# https://github.com/PyCQA/pylint/issues/3150 for all @esphome_state_property
# pylint: disable=invalid-overridden-method
@esphome_state_property
def is_on(self) -> Optional[bool]:
"""Return true if the entity is on."""
return self._state.state
@esphome_state_property
def percentage(self) -> Optional[int]:
"""Return the current speed percentage."""
if not self._static_info.supports_speed:
return None
return ordered_list_item_to_percentage(
ORDERED_NAMED_FAN_SPEEDS, self._state.speed
)
@property
def speed_count(self) -> int:
"""Return the number of speeds the fan supports."""
return len(ORDERED_NAMED_FAN_SPEEDS)
@esphome_state_property
def oscillating(self) -> None:
"""Return the oscillation state."""
if not self._static_info.supports_oscillation:
return None
return self._state.oscillating
@esphome_state_property
def current_direction(self) -> None:
"""Return the current fan direction."""
if not self._static_info.supports_direction:
return None
return _fan_directions.from_esphome(self._state.direction)
@property
def supported_features(self) -> int:
"""Flag supported features."""
flags = 0
if self._static_info.supports_oscillation:
flags |= SUPPORT_OSCILLATE
if self._static_info.supports_speed:
flags |= SUPPORT_SET_SPEED
if self._static_info.supports_direction:
flags |= SUPPORT_DIRECTION
return flags