def is_on(hass, entity_id=None):
    entity = entity_id or ENTITY_ID_ALL_DEVICES

    return hass.states.is_state(entity, STATE_HOME)
A short string identifying the processing level or product.
dataset/ETHPy150Open home-assistant/home-assistant/homeassistant/components/device_tracker/__init__.py/is_on--crossover with--dataset/ETHPy150Open GeoscienceAustralia/agdc/src/landsat_ingester/landsat_dataset.py/LandsatDataset.get_processing_level