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Add JSON attribute topic to MQTT sensor

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This commit is contained in:
Erik 2018-12-12 16:26:44 +01:00
parent 6f4657fe02
commit 0e868deedd
2 changed files with 74 additions and 5 deletions
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18
homeassistant/components/sensor/mqtt.py
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@ -14,8 +14,8 @@ import voluptuous as vol
from homeassistant.core import callback
from homeassistant.components import sensor
from homeassistant.components.mqtt import (
ATTR_DISCOVERY_HASH, CONF_AVAILABILITY_TOPIC, CONF_STATE_TOPIC,
CONF_PAYLOAD_AVAILABLE, CONF_PAYLOAD_NOT_AVAILABLE, CONF_QOS,
ATTR_DISCOVERY_HASH, CONF_AVAILABILITY_TOPIC, CONF_PAYLOAD_AVAILABLE,
CONF_PAYLOAD_NOT_AVAILABLE, CONF_QOS, CONF_STATE_TOPIC, MqttAttributes,
MqttAvailability, MqttDiscoveryUpdate, MqttEntityDeviceInfo, subscription)
from homeassistant.components.mqtt.discovery import MQTT_DISCOVERY_NEW
from homeassistant.components.sensor import DEVICE_CLASSES_SCHEMA
@ -52,7 +52,8 @@ PLATFORM_SCHEMA = mqtt.MQTT_RO_PLATFORM_SCHEMA.extend({
# This is an exception because MQTT is a message transport, not a protocol.
vol.Optional(CONF_UNIQUE_ID): cv.string,
vol.Optional(CONF_DEVICE): mqtt.MQTT_ENTITY_DEVICE_INFO_SCHEMA,
}).extend(mqtt.MQTT_AVAILABILITY_SCHEMA.schema)
}).extend(mqtt.MQTT_AVAILABILITY_SCHEMA.schema).extend(
mqtt.MQTT_JSON_ATTRS_SCHEMA.schema)
async def async_setup_platform(hass: HomeAssistantType, config: ConfigType,
@ -80,8 +81,8 @@ async def _async_setup_entity(config: ConfigType, async_add_entities,
async_add_entities([MqttSensor(config, discovery_hash)])
class MqttSensor(MqttAvailability, MqttDiscoveryUpdate, MqttEntityDeviceInfo,
Entity):
class MqttSensor(MqttAttributes, MqttAvailability, MqttDiscoveryUpdate,
MqttEntityDeviceInfo, Entity):
"""Representation of a sensor that can be updated using MQTT."""
def __init__(self, config, discovery_hash):
@ -99,6 +100,11 @@ class MqttSensor(MqttAvailability, MqttDiscoveryUpdate, MqttEntityDeviceInfo,
qos = config.get(CONF_QOS)
device_config = config.get(CONF_DEVICE)
if CONF_JSON_ATTRS in config:
_LOGGER.warning('configuration variable "json_attributes" is '
'deprecated, replace with "json_attributes_topic"')
MqttAttributes.__init__(self, config)
MqttAvailability.__init__(self, availability_topic, qos,
payload_available, payload_not_available)
MqttDiscoveryUpdate.__init__(self, discovery_hash,
@ -114,6 +120,7 @@ class MqttSensor(MqttAvailability, MqttDiscoveryUpdate, MqttEntityDeviceInfo,
"""Handle updated discovery message."""
config = PLATFORM_SCHEMA(discovery_payload)
self._config = config
await self.attributes_discovery_update(config)
await self.availability_discovery_update(config)
await self._subscribe_topics()
self.async_schedule_update_ha_state()
@ -172,6 +179,7 @@ class MqttSensor(MqttAvailability, MqttDiscoveryUpdate, MqttEntityDeviceInfo,
async def async_will_remove_from_hass(self):
"""Unsubscribe when removed."""
await subscription.async_unsubscribe_topics(self.hass, self._sub_state)
await MqttAttributes.async_will_remove_from_hass(self)
await MqttAvailability.async_will_remove_from_hass(self)
@callback