core/homeassistant/components/group/button.py

132 lines
3.6 KiB
Python

"""Platform allowing several button entities to be grouped into one single button."""
from __future__ import annotations
from typing import Any
import voluptuous as vol
from homeassistant.components.button import (
DOMAIN as BUTTON_DOMAIN,
PLATFORM_SCHEMA as BUTTON_PLATFORM_SCHEMA,
SERVICE_PRESS,
ButtonEntity,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import (
ATTR_ENTITY_ID,
CONF_ENTITIES,
CONF_NAME,
CONF_UNIQUE_ID,
STATE_UNAVAILABLE,
)
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers import config_validation as cv, entity_registry as er
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
from .entity import GroupEntity
DEFAULT_NAME = "Button group"
# No limit on parallel updates to enable a group calling another group
PARALLEL_UPDATES = 0
PLATFORM_SCHEMA = BUTTON_PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_ENTITIES): cv.entities_domain(BUTTON_DOMAIN),
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
vol.Optional(CONF_UNIQUE_ID): cv.string,
}
)
async def async_setup_platform(
_: HomeAssistant,
config: ConfigType,
async_add_entities: AddEntitiesCallback,
__: DiscoveryInfoType | None = None,
) -> None:
"""Set up the button group platform."""
async_add_entities(
[
ButtonGroup(
config.get(CONF_UNIQUE_ID),
config[CONF_NAME],
config[CONF_ENTITIES],
)
]
)
async def async_setup_entry(
hass: HomeAssistant,
config_entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Initialize button group config entry."""
registry = er.async_get(hass)
entities = er.async_validate_entity_ids(
registry, config_entry.options[CONF_ENTITIES]
)
async_add_entities(
[
ButtonGroup(
config_entry.entry_id,
config_entry.title,
entities,
)
]
)
@callback
def async_create_preview_button(
hass: HomeAssistant, name: str, validated_config: dict[str, Any]
) -> ButtonGroup:
"""Create a preview button."""
return ButtonGroup(
None,
name,
validated_config[CONF_ENTITIES],
)
class ButtonGroup(GroupEntity, ButtonEntity):
"""Representation of an button group."""
_attr_available = False
_attr_should_poll = False
def __init__(
self,
unique_id: str | None,
name: str,
entity_ids: list[str],
) -> None:
"""Initialize a button group."""
self._entity_ids = entity_ids
self._attr_name = name
self._attr_extra_state_attributes = {ATTR_ENTITY_ID: entity_ids}
self._attr_unique_id = unique_id
async def async_press(self) -> None:
"""Forward the press to all buttons in the group."""
await self.hass.services.async_call(
BUTTON_DOMAIN,
SERVICE_PRESS,
{ATTR_ENTITY_ID: self._entity_ids},
blocking=True,
context=self._context,
)
@callback
def async_update_group_state(self) -> None:
"""Query all members and determine the button group state."""
# Set group as unavailable if all members are unavailable or missing
self._attr_available = any(
state.state != STATE_UNAVAILABLE
for entity_id in self._entity_ids
if (state := self.hass.states.get(entity_id)) is not None
)