Update the Russound RNET component to use enhanced Russound.py (#9739)

* Updated RussoundRNETDevice.update() to call and enhanced function that reduces network traffic

Refer to issue #6 on the Russound project

* Updated RussoundRNETDevice.update() to invoke an enhanced function to reduce network traffic

PLease see issue #6 on the russound project

* Updated REQUIREMENTS to use version 0.1.9 of the Russound component

Please refer to issue #6 on the Russound rnet project

* Corrected some minor style details to satisfy Houndbot

* Update requirements_all.txt

homeassistant/components/media_player/russound_rnet.py

@@ -15,7 +15,7 @@ from homeassistant.const import (
     CONF_HOST, CONF_PORT, STATE_OFF, STATE_ON, CONF_NAME)
 import homeassistant.helpers.config_validation as cv
 
-REQUIREMENTS = ['russound==0.1.7']
+REQUIREMENTS = ['russound==0.1.9']
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -85,23 +85,30 @@ class RussoundRNETDevice(MediaPlayerDevice):
 
     def update(self):
         """Retrieve latest state."""
-        if self._russ.get_power('1', self._zone_id) == 0:
-            self._state = STATE_OFF
-        else:
-            self._state = STATE_ON
-
-        self._volume = self._russ.get_volume('1', self._zone_id) / 100.0
-
+        # Updated this function to make a single call to get_zone_info, so that
+        # with a single call we can get On/Off, Volume and Source, reducing the
+        # amount of traffic and speeding up the update process.
+        ret = self._russ.get_zone_info('1', self._zone_id, 4)
+        _LOGGER.debug("ret= %s", ret)
+        if ret is not None:
+            _LOGGER.debug("Updating status for zone %s", self._zone_id)
+            if ret[0] == 0:
+                self._state = STATE_OFF
+            else:
+                self._state = STATE_ON
+            self._volume = ret[2] * 2 / 100.0
         # Returns 0 based index for source.
-        index = self._russ.get_source('1', self._zone_id)
+            index = ret[1]
         # Possibility exists that user has defined list of all sources.
         # If a source is set externally that is beyond the defined list then
         # an exception will be thrown.
         # In this case return and unknown source (None)
-        try:
-            self._source = self._sources[index]
-        except IndexError:
-            self._source = None
+            try:
+                self._source = self._sources[index]
+            except IndexError:
+                self._source = None
+        else:
+            _LOGGER.error("Could not update status for zone %s", self._zone_id)
 
     @property
     def name(self):

requirements_all.txt

@@ -912,7 +912,7 @@ roombapy==1.3.1
 # rpi-rf==0.9.6
 
 # homeassistant.components.media_player.russound_rnet
-russound==0.1.7
+russound==0.1.9
 
 # homeassistant.components.media_player.russound_rio
 russound_rio==0.1.4