35 lines
1010 B
Python
35 lines
1010 B
Python
"""
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homeassistant.components.automation.event
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Offers event listening automation rules.
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For more details about this automation rule, please refer to the documentation
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at https://home-assistant.io/components/automation/#event-trigger
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"""
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import logging
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CONF_EVENT_TYPE = "event_type"
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CONF_EVENT_DATA = "event_data"
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_LOGGER = logging.getLogger(__name__)
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def trigger(hass, config, action):
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""" Listen for events based on config. """
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event_type = config.get(CONF_EVENT_TYPE)
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if event_type is None:
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_LOGGER.error("Missing configuration key %s", CONF_EVENT_TYPE)
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return False
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event_data = config.get(CONF_EVENT_DATA)
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def handle_event(event):
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""" Listens for events and calls the action when data matches. """
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if not event_data or all(val == event.data.get(key) for key, val
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in event_data.items()):
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action()
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hass.bus.listen(event_type, handle_event)
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return True
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