51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
"""
|
|
Offer template automation rules.
|
|
|
|
For more details about this automation rule, please refer to the documentation
|
|
at https://home-assistant.io/docs/automation/trigger/#template-trigger
|
|
"""
|
|
import asyncio
|
|
import logging
|
|
|
|
import voluptuous as vol
|
|
|
|
from homeassistant.core import callback
|
|
from homeassistant.const import CONF_VALUE_TEMPLATE, CONF_PLATFORM
|
|
from homeassistant.helpers.event import async_track_template
|
|
import homeassistant.helpers.config_validation as cv
|
|
|
|
|
|
_LOGGER = logging.getLogger(__name__)
|
|
|
|
TRIGGER_SCHEMA = IF_ACTION_SCHEMA = vol.Schema(
|
|
{
|
|
vol.Required(CONF_PLATFORM): "template",
|
|
vol.Required(CONF_VALUE_TEMPLATE): cv.template,
|
|
}
|
|
)
|
|
|
|
|
|
@asyncio.coroutine
|
|
def async_trigger(hass, config, action):
|
|
"""Listen for state changes based on configuration."""
|
|
value_template = config.get(CONF_VALUE_TEMPLATE)
|
|
value_template.hass = hass
|
|
|
|
@callback
|
|
def template_listener(entity_id, from_s, to_s):
|
|
"""Listen for state changes and calls action."""
|
|
hass.async_run_job(
|
|
action(
|
|
{
|
|
"trigger": {
|
|
"platform": "template",
|
|
"entity_id": entity_id,
|
|
"from_state": from_s,
|
|
"to_state": to_s,
|
|
}
|
|
},
|
|
context=to_s.context,
|
|
)
|
|
)
|
|
|
|
return async_track_template(hass, value_template, template_listener)
|