

def add_entity(self, entity, platform=None):
    'Add entity to component.'
    if ((entity is None) or (entity in self.entities.values())):
        return False
    entity.hass = self.hass
    if (getattr(entity, 'entity_id', None) is None):
        object_id = (entity.name or DEVICE_DEFAULT_NAME)
        if ((platform is not None) and (platform.entity_namespace is not None)):
            object_id = '{} {}'.format(platform.entity_namespace, object_id)
        entity.entity_id = generate_entity_id(self.entity_id_format, object_id, self.entities.keys())
    self.entities[entity.entity_id] = entity
    entity.update_ha_state()
    return True

dataset/ETHPy150Open home-assistant/home-assistant/homeassistant/helpers/entity_component.py EntityComponent.add_entity/original