core/homeassistant/components/knx/cover.py

230 lines
8.5 KiB
Python

"""Support for KNX/IP covers."""
from __future__ import annotations
from datetime import datetime
from typing import Any, Callable
from xknx import XKNX
from xknx.devices import Cover as XknxCover, Device as XknxDevice
from xknx.telegram.address import parse_device_group_address
from homeassistant.components.cover import (
ATTR_POSITION,
ATTR_TILT_POSITION,
DEVICE_CLASS_BLIND,
SUPPORT_CLOSE,
SUPPORT_CLOSE_TILT,
SUPPORT_OPEN,
SUPPORT_OPEN_TILT,
SUPPORT_SET_POSITION,
SUPPORT_SET_TILT_POSITION,
SUPPORT_STOP,
SUPPORT_STOP_TILT,
CoverEntity,
)
from homeassistant.const import CONF_DEVICE_CLASS, CONF_NAME
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers import entity_registry as er
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.event import async_track_utc_time_change
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
from .const import DOMAIN
from .knx_entity import KnxEntity
from .schema import CoverSchema
async def async_setup_platform(
hass: HomeAssistant,
config: ConfigType,
async_add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Set up cover(s) for KNX platform."""
if not discovery_info or not discovery_info["platform_config"]:
return
platform_config = discovery_info["platform_config"]
xknx: XKNX = hass.data[DOMAIN].xknx
_async_migrate_unique_id(hass, platform_config)
async_add_entities(
KNXCover(xknx, entity_config) for entity_config in platform_config
)
@callback
def _async_migrate_unique_id(
hass: HomeAssistant, platform_config: list[ConfigType]
) -> None:
"""Change unique_ids used in 2021.4 to include position_target GA."""
entity_registry = er.async_get(hass)
for entity_config in platform_config:
# normalize group address strings - ga_updown was the old uid but is optional
updown_addresses = entity_config.get(CoverSchema.CONF_MOVE_LONG_ADDRESS)
if updown_addresses is None:
continue
ga_updown = parse_device_group_address(updown_addresses[0])
old_uid = str(ga_updown)
entity_id = entity_registry.async_get_entity_id("cover", DOMAIN, old_uid)
if entity_id is None:
continue
position_target_addresses = entity_config.get(CoverSchema.CONF_POSITION_ADDRESS)
ga_position_target = (
parse_device_group_address(position_target_addresses[0])
if position_target_addresses is not None
else None
)
new_uid = f"{ga_updown}_{ga_position_target}"
entity_registry.async_update_entity(entity_id, new_unique_id=new_uid)
class KNXCover(KnxEntity, CoverEntity):
"""Representation of a KNX cover."""
_device: XknxCover
def __init__(self, xknx: XKNX, config: ConfigType) -> None:
"""Initialize the cover."""
super().__init__(
device=XknxCover(
xknx,
name=config[CONF_NAME],
group_address_long=config.get(CoverSchema.CONF_MOVE_LONG_ADDRESS),
group_address_short=config.get(CoverSchema.CONF_MOVE_SHORT_ADDRESS),
group_address_stop=config.get(CoverSchema.CONF_STOP_ADDRESS),
group_address_position_state=config.get(
CoverSchema.CONF_POSITION_STATE_ADDRESS
),
group_address_angle=config.get(CoverSchema.CONF_ANGLE_ADDRESS),
group_address_angle_state=config.get(
CoverSchema.CONF_ANGLE_STATE_ADDRESS
),
group_address_position=config.get(CoverSchema.CONF_POSITION_ADDRESS),
travel_time_down=config[CoverSchema.CONF_TRAVELLING_TIME_DOWN],
travel_time_up=config[CoverSchema.CONF_TRAVELLING_TIME_UP],
invert_position=config[CoverSchema.CONF_INVERT_POSITION],
invert_angle=config[CoverSchema.CONF_INVERT_ANGLE],
)
)
self._unsubscribe_auto_updater: Callable[[], None] | None = None
self._attr_device_class = config.get(CONF_DEVICE_CLASS) or (
DEVICE_CLASS_BLIND if self._device.supports_angle else None
)
self._attr_supported_features = (
SUPPORT_CLOSE | SUPPORT_OPEN | SUPPORT_SET_POSITION
)
if self._device.supports_stop:
self._attr_supported_features |= SUPPORT_STOP | SUPPORT_STOP_TILT
if self._device.supports_angle:
self._attr_supported_features |= SUPPORT_SET_TILT_POSITION
if self._device.step.writable:
self._attr_supported_features |= (
SUPPORT_CLOSE_TILT | SUPPORT_OPEN_TILT | SUPPORT_STOP_TILT
)
self._attr_unique_id = (
f"{self._device.updown.group_address}_"
f"{self._device.position_target.group_address}"
)
@callback
async def after_update_callback(self, device: XknxDevice) -> None:
"""Call after device was updated."""
self.async_write_ha_state()
if self._device.is_traveling():
self.start_auto_updater()
@property
def current_cover_position(self) -> int | None:
"""Return the current position of the cover.
None is unknown, 0 is closed, 100 is fully open.
"""
# In KNX 0 is open, 100 is closed.
pos = self._device.current_position()
return 100 - pos if pos is not None else None
@property
def is_closed(self) -> bool | None:
"""Return if the cover is closed."""
# state shall be "unknown" when xknx travelcalculator is not initialized
if self._device.current_position() is None:
return None
return self._device.is_closed()
@property
def is_opening(self) -> bool:
"""Return if the cover is opening or not."""
return self._device.is_opening()
@property
def is_closing(self) -> bool:
"""Return if the cover is closing or not."""
return self._device.is_closing()
async def async_close_cover(self, **kwargs: Any) -> None:
"""Close the cover."""
await self._device.set_down()
async def async_open_cover(self, **kwargs: Any) -> None:
"""Open the cover."""
await self._device.set_up()
async def async_set_cover_position(self, **kwargs: Any) -> None:
"""Move the cover to a specific position."""
knx_position = 100 - kwargs[ATTR_POSITION]
await self._device.set_position(knx_position)
async def async_stop_cover(self, **kwargs: Any) -> None:
"""Stop the cover."""
await self._device.stop()
self.stop_auto_updater()
@property
def current_cover_tilt_position(self) -> int | None:
"""Return current tilt position of cover."""
if not self._device.supports_angle:
return None
ang = self._device.current_angle()
return 100 - ang if ang is not None else None
async def async_set_cover_tilt_position(self, **kwargs: Any) -> None:
"""Move the cover tilt to a specific position."""
knx_tilt_position = 100 - kwargs[ATTR_TILT_POSITION]
await self._device.set_angle(knx_tilt_position)
async def async_open_cover_tilt(self, **kwargs: Any) -> None:
"""Open the cover tilt."""
await self._device.set_short_up()
async def async_close_cover_tilt(self, **kwargs: Any) -> None:
"""Close the cover tilt."""
await self._device.set_short_down()
async def async_stop_cover_tilt(self, **kwargs: Any) -> None:
"""Stop the cover tilt."""
await self._device.stop()
self.stop_auto_updater()
def start_auto_updater(self) -> None:
"""Start the autoupdater to update Home Assistant while cover is moving."""
if self._unsubscribe_auto_updater is None:
self._unsubscribe_auto_updater = async_track_utc_time_change(
self.hass, self.auto_updater_hook
)
def stop_auto_updater(self) -> None:
"""Stop the autoupdater."""
if self._unsubscribe_auto_updater is not None:
self._unsubscribe_auto_updater()
self._unsubscribe_auto_updater = None
@callback
def auto_updater_hook(self, now: datetime) -> None:
"""Call for the autoupdater."""
self.async_write_ha_state()
if self._device.position_reached():
self.hass.async_create_task(self._device.auto_stop_if_necessary())
self.stop_auto_updater()