core/homeassistant/components/automation/zone.py

60 lines
2.1 KiB
Python

"""Offer zone automation rules."""
import voluptuous as vol
from homeassistant.core import callback
from homeassistant.const import (
CONF_EVENT, CONF_ENTITY_ID, CONF_ZONE, MATCH_ALL, CONF_PLATFORM)
from homeassistant.helpers.event import async_track_state_change
from homeassistant.helpers import (
condition, config_validation as cv, location)
EVENT_ENTER = 'enter'
EVENT_LEAVE = 'leave'
DEFAULT_EVENT = EVENT_ENTER
TRIGGER_SCHEMA = vol.Schema({
vol.Required(CONF_PLATFORM): 'zone',
vol.Required(CONF_ENTITY_ID): cv.entity_ids,
vol.Required(CONF_ZONE): cv.entity_id,
vol.Required(CONF_EVENT, default=DEFAULT_EVENT):
vol.Any(EVENT_ENTER, EVENT_LEAVE),
})
async def async_trigger(hass, config, action, automation_info):
"""Listen for state changes based on configuration."""
entity_id = config.get(CONF_ENTITY_ID)
zone_entity_id = config.get(CONF_ZONE)
event = config.get(CONF_EVENT)
@callback
def zone_automation_listener(entity, from_s, to_s):
"""Listen for state changes and calls action."""
if from_s and not location.has_location(from_s) or \
not location.has_location(to_s):
return
zone_state = hass.states.get(zone_entity_id)
if from_s:
from_match = condition.zone(hass, zone_state, from_s)
else:
from_match = False
to_match = condition.zone(hass, zone_state, to_s)
# pylint: disable=too-many-boolean-expressions
if event == EVENT_ENTER and not from_match and to_match or \
event == EVENT_LEAVE and from_match and not to_match:
hass.async_run_job(action({
'trigger': {
'platform': 'zone',
'entity_id': entity,
'from_state': from_s,
'to_state': to_s,
'zone': zone_state,
'event': event,
},
}, context=to_s.context))
return async_track_state_change(hass, entity_id, zone_automation_listener,
MATCH_ALL, MATCH_ALL)