core/homeassistant/components/input_boolean.py

135 lines
3.5 KiB
Python

"""
Component to keep track of user controlled booleans for within automation.
For more details about this component, please refer to the documentation
at https://home-assistant.io/components/input_boolean/
"""
import logging
import voluptuous as vol
from homeassistant.const import (
ATTR_ENTITY_ID, CONF_ICON, CONF_NAME, SERVICE_TURN_OFF, SERVICE_TURN_ON,
SERVICE_TOGGLE, STATE_ON)
from homeassistant.loader import bind_hass
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity import ToggleEntity
from homeassistant.helpers.entity_component import EntityComponent
from homeassistant.helpers.restore_state import async_get_last_state
DOMAIN = 'input_boolean'
ENTITY_ID_FORMAT = DOMAIN + '.{}'
_LOGGER = logging.getLogger(__name__)
CONF_INITIAL = 'initial'
SERVICE_SCHEMA = vol.Schema({
vol.Optional(ATTR_ENTITY_ID): cv.entity_ids,
})
CONFIG_SCHEMA = vol.Schema({
DOMAIN: vol.Schema({
cv.slug: vol.Any({
vol.Optional(CONF_NAME): cv.string,
vol.Optional(CONF_INITIAL): cv.boolean,
vol.Optional(CONF_ICON): cv.icon,
}, None)
})
}, extra=vol.ALLOW_EXTRA)
@bind_hass
def is_on(hass, entity_id):
"""Test if input_boolean is True."""
return hass.states.is_state(entity_id, STATE_ON)
async def async_setup(hass, config):
"""Set up an input boolean."""
component = EntityComponent(_LOGGER, DOMAIN, hass)
entities = []
for object_id, cfg in config[DOMAIN].items():
if not cfg:
cfg = {}
name = cfg.get(CONF_NAME)
initial = cfg.get(CONF_INITIAL)
icon = cfg.get(CONF_ICON)
entities.append(InputBoolean(object_id, name, initial, icon))
if not entities:
return False
component.async_register_entity_service(
SERVICE_TURN_ON, SERVICE_SCHEMA,
'async_turn_on'
)
component.async_register_entity_service(
SERVICE_TURN_OFF, SERVICE_SCHEMA,
'async_turn_off'
)
component.async_register_entity_service(
SERVICE_TOGGLE, SERVICE_SCHEMA,
'async_toggle'
)
await component.async_add_entities(entities)
return True
class InputBoolean(ToggleEntity):
"""Representation of a boolean input."""
def __init__(self, object_id, name, initial, icon):
"""Initialize a boolean input."""
self.entity_id = ENTITY_ID_FORMAT.format(object_id)
self._name = name
self._state = initial
self._icon = icon
@property
def should_poll(self):
"""If entity should be polled."""
return False
@property
def name(self):
"""Return name of the boolean input."""
return self._name
@property
def icon(self):
"""Return the icon to be used for this entity."""
return self._icon
@property
def is_on(self):
"""Return true if entity is on."""
return self._state
async def async_added_to_hass(self):
"""Call when entity about to be added to hass."""
# If not None, we got an initial value.
if self._state is not None:
return
state = await async_get_last_state(self.hass, self.entity_id)
self._state = state and state.state == STATE_ON
async def async_turn_on(self, **kwargs):
"""Turn the entity on."""
self._state = True
await self.async_update_ha_state()
async def async_turn_off(self, **kwargs):
"""Turn the entity off."""
self._state = False
await self.async_update_ha_state()