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Convert mqtt platforms to async (#6145)

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* Convert mqtt platforms to async

* fix lint

* add more platforms

* convert mqtt_eventstream

* fix lint / add mqtt_room

* fix lint

* fix test part 1

* fix test part 2

* fix out of memory bug

* address comments
This commit is contained in:
Pascal Vizeli
2017-02-22 09:43:22 +01:00
committed by GitHub
parent 65ed85c6eb
commit b0d3bbed79
15 changed files with 509 additions and 291 deletions
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27
homeassistant/components/sensor/mqtt.py
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@@ -4,6 +4,7 @@ Support for MQTT sensors.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/sensor.mqtt/
"""
import asyncio
import logging
import voluptuous as vol
@@ -27,8 +28,8 @@ PLATFORM_SCHEMA = mqtt.MQTT_RO_PLATFORM_SCHEMA.extend({
})
# pylint: disable=unused-argument
def setup_platform(hass, config, add_devices, discovery_info=None):
@asyncio.coroutine
def async_setup_platform(hass, config, async_add_devices, discovery_info=None):
"""Set up MQTT Sensor."""
if discovery_info is not None:
config = PLATFORM_SCHEMA(discovery_info)
@@ -36,8 +37,8 @@ def setup_platform(hass, config, add_devices, discovery_info=None):
value_template = config.get(CONF_VALUE_TEMPLATE)
if value_template is not None:
value_template.hass = hass
add_devices([MqttSensor(
hass,
yield from async_add_devices([MqttSensor(
config.get(CONF_NAME),
config.get(CONF_STATE_TOPIC),
config.get(CONF_QOS),
@@ -49,26 +50,32 @@ def setup_platform(hass, config, add_devices, discovery_info=None):
class MqttSensor(Entity):
"""Representation of a sensor that can be updated using MQTT."""
def __init__(self, hass, name, state_topic, qos, unit_of_measurement,
def __init__(self, name, state_topic, qos, unit_of_measurement,
value_template):
"""Initialize the sensor."""
self._state = STATE_UNKNOWN
self._hass = hass
self._name = name
self._state_topic = state_topic
self._qos = qos
self._unit_of_measurement = unit_of_measurement
self._template = value_template
def async_added_to_hass(self):
"""Subscribe mqtt events.
This method must be run in the event loop and returns a coroutine.
"""
@callback
def message_received(topic, payload, qos):
"""A new MQTT message has been received."""
if value_template is not None:
payload = value_template.async_render_with_possible_json_value(
if self._template is not None:
payload = self._template.async_render_with_possible_json_value(
payload, self._state)
self._state = payload
hass.async_add_job(self.async_update_ha_state())
self.hass.async_add_job(self.async_update_ha_state())
mqtt.subscribe(hass, self._state_topic, message_received, self._qos)
return mqtt.async_subscribe(
self.hass, self._state_topic, message_received, self._qos)
@property
def should_poll(self):