core/homeassistant/components/light/device_automation.py

81 lines
2.5 KiB
Python

"""Provides device automations for lights."""
import voluptuous as vol
import homeassistant.components.automation.state as state
from homeassistant.core import split_entity_id
from homeassistant.const import (
CONF_DEVICE_ID, CONF_DOMAIN, CONF_ENTITY_ID, CONF_PLATFORM, CONF_TYPE)
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity_registry import async_entries_for_device
from . import DOMAIN
CONF_TURN_OFF = 'turn_off'
CONF_TURN_ON = 'turn_on'
ENTITY_TRIGGERS = [
{
# Trigger when light is turned on
CONF_PLATFORM: 'device',
CONF_DOMAIN: DOMAIN,
CONF_TYPE: CONF_TURN_OFF,
},
{
# Trigger when light is turned off
CONF_PLATFORM: 'device',
CONF_DOMAIN: DOMAIN,
CONF_TYPE: CONF_TURN_ON,
},
]
TRIGGER_SCHEMA = vol.All(vol.Schema({
vol.Required(CONF_PLATFORM): 'device',
vol.Optional(CONF_DEVICE_ID): str,
vol.Required(CONF_DOMAIN): DOMAIN,
vol.Required(CONF_ENTITY_ID): cv.entity_id,
vol.Required(CONF_TYPE): str,
}))
def _is_domain(entity, domain):
return split_entity_id(entity.entity_id)[0] == domain
async def async_attach_trigger(hass, config, action, automation_info):
"""Listen for state changes based on configuration."""
trigger_type = config.get(CONF_TYPE)
if trigger_type == CONF_TURN_ON:
from_state = 'off'
to_state = 'on'
else:
from_state = 'on'
to_state = 'off'
state_config = {
state.CONF_ENTITY_ID: config[CONF_ENTITY_ID],
state.CONF_FROM: from_state,
state.CONF_TO: to_state
}
return await state.async_trigger(hass, state_config, action,
automation_info)
async def async_trigger(hass, config, action, automation_info):
"""Temporary so existing automation framework can be used for testing."""
return await async_attach_trigger(hass, config, action, automation_info)
async def async_get_triggers(hass, device_id):
"""List device triggers."""
triggers = []
entity_registry = await hass.helpers.entity_registry.async_get_registry()
entities = async_entries_for_device(entity_registry, device_id)
domain_entities = [x for x in entities if _is_domain(x, DOMAIN)]
for entity in domain_entities:
for trigger in ENTITY_TRIGGERS:
trigger = dict(trigger)
trigger.update(device_id=device_id, entity_id=entity.entity_id)
triggers.append(trigger)
return triggers