37 lines
1.1 KiB
Python
37 lines
1.1 KiB
Python
"""Offer template automation rules."""
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import logging
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import voluptuous as vol
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from homeassistant.core import callback
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from homeassistant.const import CONF_VALUE_TEMPLATE, CONF_PLATFORM
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from homeassistant.helpers.event import async_track_template
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import homeassistant.helpers.config_validation as cv
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_LOGGER = logging.getLogger(__name__)
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TRIGGER_SCHEMA = IF_ACTION_SCHEMA = vol.Schema({
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vol.Required(CONF_PLATFORM): 'template',
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vol.Required(CONF_VALUE_TEMPLATE): cv.template,
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})
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async def async_trigger(hass, config, action, automation_info):
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"""Listen for state changes based on configuration."""
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value_template = config.get(CONF_VALUE_TEMPLATE)
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value_template.hass = hass
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@callback
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def template_listener(entity_id, from_s, to_s):
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"""Listen for state changes and calls action."""
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hass.async_run_job(action({
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'trigger': {
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'platform': 'template',
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'entity_id': entity_id,
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'from_state': from_s,
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'to_state': to_s,
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},
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}, context=to_s.context))
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return async_track_template(hass, value_template, template_listener)
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