def _composeDiscoveryMsg(component_topic,
name,
component_type_discovery,
friendly_name=None,
no_avail=False):
"""
Helper function to separate dynamic system values from user defineable values.
:param component_topic: state topic of the component. device topics (see mqtt) are supported
:param name: name of the component, must be unique on the device, typically composed of component name and count
:param component_type_discovery: discovery values for the component type, e.g. switch, sensor
:param friendly_name: optional a readable name that is used in the gui and entity_id
:param no_avail: don't add availability configs (typically only used for the availability component itself)
:return: str
"""
friendly_name = friendly_name or name
component_topic = component_topic if _mqtt.isDeviceTopic(
component_topic) is False else _mqtt.getRealTopic(component_topic)
if no_avail is True:
return DISCOVERY_BASE_NO_AVAIL.format(
component_topic, # "~" component state topic
friendly_name, # name
sys_vars.getDeviceID(),
name, # unique_id
component_type_discovery, # component type specific values
sys_vars.getDeviceDiscovery()) # device
return DISCOVERY_BASE.format(
component_topic, # "~" component state topic
friendly_name, # name
config.MQTT_HOME,
sys_vars.getDeviceID(), # availability_topic
sys_vars.getDeviceID(),
name, # unique_id
component_type_discovery, # component type specific values
sys_vars.getDeviceDiscovery()) # device
async def _discovery(self, register=True):
name = "{!s}{!s}".format(COMPONENT_NAME, self._count)
base_topic = _mqtt.getRealTopic(_mqtt.getDeviceTopic(name))
modes = ujson.dumps([str(mode) for mode in self._modes])
gc.collect()
if register:
sens = CLIMATE_DISCOVERY.format(
base_topic,
self._frn or name,
self._composeAvailability(),
sys_vars.getDeviceID(),
name, # unique_id
_mqtt.getRealTopic(
self.temp_sensor.getTopic(SENSOR_TEMPERATURE)),
# current_temp_topic
self.temp_sensor.getTemplate(SENSOR_TEMPERATURE),
# cur_temp_template
self._temp_step,
self._min_temp,
self._max_temp,
modes,
sys_vars.getDeviceDiscovery())
else:
sens = ""
gc.collect()
topic = Component._getDiscoveryTopic(_COMPONENT_TYPE, name)
await _mqtt.publish(topic, sens, qos=1, retain=True)