Add Nvidia GPU Information

README.md

@@ -1,3 +1,6 @@
+![indicator-sysmonitor](https://user-images.githubusercontent.com/9158844/37069705-90f272a2-21c5-11e8-806f-92b20cbf47ae.png)
+
+
 Indicator-SysMonitor - v0.8.2
 ===================
 An Application Indicator showing cpu temperature, memory, network speed, cpu usage, public IP address and internet connection status .

sensors.py

@@ -67,14 +67,16 @@ class __impl:
 
         def __init__(self):
             self.sensor_instances = [CPUSensor(),
+                                     NvGPUSensor(),
                                      MemSensor(),
                                      NetSensor(),
                                      BatSensor(),
                                      FSSensor(),
                                      SwapSensor(),
                                      UporDownSensor(),
                                      PublicIPSensor(),
-                                     CPUTemp()]
+                                     CPUTemp(),
+                                     NvGPUTemp()]
 
             for sensor in self.sensor_instances:
                 self.settings['sensors'][sensor.name] = (sensor.desc, sensor.cmd)
@@ -330,6 +332,37 @@ def script_exec(command):
         return output.decode('utf-8') if output else _("(no output)")
 
 
+class NvGPUSensor(BaseSensor):
+    name = 'nvgpu'
+    desc = _('Nvidia GPU utilization')
+
+    def get_value(self, sensor):
+        if sensor == 'nvgpu':
+            return "{:02.0f}%".format(self._fetch_gpu())
+
+    def _fetch_gpu(self, percpu=False):
+        result = subprocess.check_output(['nvidia-smi', '--query-gpu=utilization.gpu', '--format=csv'])
+        perc = result.splitlines()[1]
+        perc = perc[:-2]
+        return int(perc)
+
+
+class NvGPUTemp(BaseSensor):
+    """Return GPU temperature expressed in Celsius
+    """
+    name = 'nvgputemp'
+    desc = _('Nvidia GPU Temperature')
+
+    def get_value(self, sensor):
+        # degrees symbol is unicode U+00B0
+        return "{}\u00B0C".format(self._fetch_gputemp())
+
+    def _fetch_gputemp(self):
+        result = subprocess.check_output(['nvidia-smi', '--query-gpu=temperature.gpu', '--format=csv'])
+        perc = result.splitlines()[1]
+        return int(perc)
+
+
 class CPUSensor(BaseSensor):
     name = 'cpu\d*'
     desc = _('Average CPU usage')