hass-core/homeassistant/components/automation/event.py
andythigpen 7951137693 Adds event automation module.
When events are fired with matching data, the automation.event module
executes the corresponding action for automation rules.
2015-02-23 20:42:37 -06:00

33 lines
849 B
Python

"""
homeassistant.components.automation.event
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Offers event listening automation rules.
"""
import logging
import json
from homeassistant.util import convert
CONF_EVENT_TYPE = "event_type"
CONF_EVENT_DATA = "event_data"
_LOGGER = logging.getLogger(__name__)
def register(hass, config, action):
""" Listen for events based on config. """
event_type = config.get(CONF_EVENT_TYPE)
if event_type is None:
_LOGGER.error("Missing configuration key %s", CONF_EVENT_TYPE)
return False
event_data = convert(config.get(CONF_EVENT_DATA), json.loads, {})
def handle_event(event):
""" Listens for events and calls the action when data matches. """
if event_data == event.data:
action()
hass.bus.listen(event_type, handle_event)
return True