Add LHM robustness for sensors None values

Author: mathoudebine

library/sensors/sensors_librehardwaremonitor.py

@@ -176,7 +176,7 @@ class Cpu(sensors.Cpu):
     def percentage(interval: float) -> float:
         cpu = get_hw_and_update(Hardware.HardwareType.Cpu)
         for sensor in cpu.Sensors:
-            if sensor.SensorType == Hardware.SensorType.Load and str(sensor.Name).startswith("CPU Total"):
+            if sensor.SensorType == Hardware.SensorType.Load and str(sensor.Name).startswith("CPU Total") and sensor.Value is not None:
                 return float(sensor.Value)
 
         logger.error("CPU load cannot be read")
@@ -186,19 +186,21 @@ def percentage(interval: float) -> float:
     def frequency() -> float:
         frequencies = []
         cpu = get_hw_and_update(Hardware.HardwareType.Cpu)
-        for sensor in cpu.Sensors:
-            if sensor.SensorType == Hardware.SensorType.Clock:
-                # Keep only real core clocks, ignore effective core clocks
-                if "Core #" in str(sensor.Name) and "Effective" not in str(sensor.Name):
-                    if sensor.Value:
+        try:
+            for sensor in cpu.Sensors:
+                if sensor.SensorType == Hardware.SensorType.Clock:
+                    # Keep only real core clocks, ignore effective core clocks
+                    if "Core #" in str(sensor.Name) and "Effective" not in str(sensor.Name) and sensor.Value is not None:
                         frequencies.append(float(sensor.Value))
 
-        if frequencies:
-            # Take mean of all core clock as "CPU clock" (as it is done in Windows Task Manager Performance tab)
-            return mean(frequencies)
-        else:
-            # Frequencies reading is not supported on this CPU
-            return math.nan
+            if frequencies:
+                # Take mean of all core clock as "CPU clock" (as it is done in Windows Task Manager Performance tab)
+                return mean(frequencies)
+        except:
+            pass
+
+        # Frequencies reading is not supported on this CPU
+        return math.nan
 
     @staticmethod
     def load() -> Tuple[float, float, float]:  # 1 / 5 / 15min avg (%):
@@ -208,22 +210,25 @@ def load() -> Tuple[float, float, float]:  # 1 / 5 / 15min avg (%):
     @staticmethod
     def temperature() -> float:
         cpu = get_hw_and_update(Hardware.HardwareType.Cpu)
-        # By default, the average temperature of all CPU cores will be used
-        for sensor in cpu.Sensors:
-            if sensor.SensorType == Hardware.SensorType.Temperature and str(sensor.Name).startswith("Core Average"):
-                return float(sensor.Value)
-        # If not available, the max core temperature will be used
-        for sensor in cpu.Sensors:
-            if sensor.SensorType == Hardware.SensorType.Temperature and str(sensor.Name).startswith("Core Max"):
-                return float(sensor.Value)
-        # If not available, the CPU Package temperature (usually same as max core temperature) will be used
-        for sensor in cpu.Sensors:
-            if sensor.SensorType == Hardware.SensorType.Temperature and str(sensor.Name).startswith("CPU Package"):
-                return float(sensor.Value)
-        # Otherwise any sensor named "Core..." will be used
-        for sensor in cpu.Sensors:
-            if sensor.SensorType == Hardware.SensorType.Temperature and str(sensor.Name).startswith("Core"):
-                return float(sensor.Value)
+        try:
+            # By default, the average temperature of all CPU cores will be used
+            for sensor in cpu.Sensors:
+                if sensor.SensorType == Hardware.SensorType.Temperature and str(sensor.Name).startswith("Core Average") and sensor.Value is not None:
+                    return float(sensor.Value)
+            # If not available, the max core temperature will be used
+            for sensor in cpu.Sensors:
+                if sensor.SensorType == Hardware.SensorType.Temperature and str(sensor.Name).startswith("Core Max") and sensor.Value is not None:
+                    return float(sensor.Value)
+            # If not available, the CPU Package temperature (usually same as max core temperature) will be used
+            for sensor in cpu.Sensors:
+                if sensor.SensorType == Hardware.SensorType.Temperature and str(sensor.Name).startswith("CPU Package") and sensor.Value is not None:
+                    return float(sensor.Value)
+            # Otherwise any sensor named "Core..." will be used
+            for sensor in cpu.Sensors:
+                if sensor.SensorType == Hardware.SensorType.Temperature and str(sensor.Name).startswith("Core") and sensor.Value is not None:
+                    return float(sensor.Value)
+        except:
+            pass
 
         return math.nan
 
@@ -235,7 +240,7 @@ def fan_percent() -> float:
                 sh.Update()
                 for sensor in sh.Sensors:
                     if sensor.SensorType == Hardware.SensorType.Control and "#2" in str(
-                            sensor.Name):  # Is Motherboard #2 Fan always the CPU Fan ?
+                            sensor.Name) and sensor.Value is not None:  # Is Motherboard #2 Fan always the CPU Fan ?
                         return float(sensor.Value)
         except:
             pass
@@ -275,23 +280,23 @@ def stats(cls) -> Tuple[float, float, float, float]:  # load (%) / used mem (%)
         temp = math.nan
 
         for sensor in gpu_to_use.Sensors:
-            if sensor.SensorType == Hardware.SensorType.Load and str(sensor.Name).startswith("GPU Core"):
+            if sensor.SensorType == Hardware.SensorType.Load and str(sensor.Name).startswith("GPU Core") and sensor.Value is not None:
                 load = float(sensor.Value)
             elif sensor.SensorType == Hardware.SensorType.Load and str(sensor.Name).startswith("D3D 3D") and math.isnan(
-                    load):
+                    load) and sensor.Value is not None:
                 # Only use D3D usage if global "GPU Core" sensor is not available, because it is less
                 # precise and does not cover the entire GPU: https://www.hwinfo.com/forum/threads/what-is-d3d-usage.759/
                 load = float(sensor.Value)
-            elif sensor.SensorType == Hardware.SensorType.SmallData and str(sensor.Name).startswith("GPU Memory Used"):
+            elif sensor.SensorType == Hardware.SensorType.SmallData and str(sensor.Name).startswith("GPU Memory Used") and sensor.Value is not None:
                 used_mem = float(sensor.Value)
             elif sensor.SensorType == Hardware.SensorType.SmallData and str(sensor.Name).startswith(
-                    "D3D") and str(sensor.Name).endswith("Memory Used") and math.isnan(used_mem):
+                    "D3D") and str(sensor.Name).endswith("Memory Used") and math.isnan(used_mem) and sensor.Value is not None:
                 # Only use D3D memory usage if global "GPU Memory Used" sensor is not available, because it is less
                 # precise and does not cover the entire GPU: https://www.hwinfo.com/forum/threads/what-is-d3d-usage.759/
                 used_mem = float(sensor.Value)
-            elif sensor.SensorType == Hardware.SensorType.SmallData and str(sensor.Name).startswith("GPU Memory Total"):
+            elif sensor.SensorType == Hardware.SensorType.SmallData and str(sensor.Name).startswith("GPU Memory Total") and sensor.Value is not None:
                 total_mem = float(sensor.Value)
-            elif sensor.SensorType == Hardware.SensorType.Temperature and str(sensor.Name).startswith("GPU Core"):
+            elif sensor.SensorType == Hardware.SensorType.Temperature and str(sensor.Name).startswith("GPU Core") and sensor.Value is not None:
                 temp = float(sensor.Value)
 
         return load, (used_mem / total_mem * 100.0), used_mem, temp
@@ -303,12 +308,15 @@ def fps(cls) -> int:
             # GPU not supported
             return -1
 
-        for sensor in gpu_to_use.Sensors:
-            if sensor.SensorType == Hardware.SensorType.Factor and "FPS" in str(sensor.Name):
-                # If a reading returns a value <= 0, returns old value instead
-                if int(sensor.Value) > 0:
-                    cls.prev_fps = int(sensor.Value)
-                return cls.prev_fps
+        try:
+            for sensor in gpu_to_use.Sensors:
+                if sensor.SensorType == Hardware.SensorType.Factor and "FPS" in str(sensor.Name) and sensor.Value is not None:
+                    # If a reading returns a value <= 0, returns old value instead
+                    if int(sensor.Value) > 0:
+                        cls.prev_fps = int(sensor.Value)
+                    return cls.prev_fps
+        except:
+            pass
 
         # No FPS sensor for this GPU model
         return -1
@@ -322,9 +330,8 @@ def fan_percent(cls) -> float:
 
         try:
             for sensor in gpu_to_use.Sensors:
-                if sensor.SensorType == Hardware.SensorType.Control:
-                    if sensor.Value:
-                        return float(sensor.Value)
+                if sensor.SensorType == Hardware.SensorType.Control and sensor.Value is not None:
+                    return float(sensor.Value)
         except:
             pass
 
@@ -342,9 +349,8 @@ def frequency(cls) -> float:
             for sensor in gpu_to_use.Sensors:
                 if sensor.SensorType == Hardware.SensorType.Clock:
                     # Keep only real core clocks, ignore effective core clocks
-                    if "Core" in str(sensor.Name) and "Effective" not in str(sensor.Name):
-                        if sensor.Value:
-                            return float(sensor.Value)
+                    if "Core" in str(sensor.Name) and "Effective" not in str(sensor.Name) and sensor.Value is not None:
+                        return float(sensor.Value)
         except:
             pass
 
@@ -369,14 +375,14 @@ def swap_percent() -> float:
 
         # Get virtual / physical memory stats
         for sensor in memory.Sensors:
-            if sensor.SensorType == Hardware.SensorType.Data and str(sensor.Name).startswith("Virtual Memory Used"):
+            if sensor.SensorType == Hardware.SensorType.Data and str(sensor.Name).startswith("Virtual Memory Used") and sensor.Value is not None:
                 virtual_mem_used = int(sensor.Value)
-            elif sensor.SensorType == Hardware.SensorType.Data and str(sensor.Name).startswith("Memory Used"):
+            elif sensor.SensorType == Hardware.SensorType.Data and str(sensor.Name).startswith("Memory Used") and sensor.Value is not None:
                 mem_used = int(sensor.Value)
             elif sensor.SensorType == Hardware.SensorType.Data and str(sensor.Name).startswith(
-                    "Virtual Memory Available"):
+                    "Virtual Memory Available") and sensor.Value is not None:
                 virtual_mem_available = int(sensor.Value)
-            elif sensor.SensorType == Hardware.SensorType.Data and str(sensor.Name).startswith("Memory Available"):
+            elif sensor.SensorType == Hardware.SensorType.Data and str(sensor.Name).startswith("Memory Available") and sensor.Value is not None:
                 mem_available = int(sensor.Value)
 
         # Compute swap stats from virtual / physical memory stats
@@ -395,7 +401,7 @@ def swap_percent() -> float:
     def virtual_percent() -> float:
         memory = get_hw_and_update(Hardware.HardwareType.Memory)
         for sensor in memory.Sensors:
-            if sensor.SensorType == Hardware.SensorType.Load and str(sensor.Name).startswith("Memory"):
+            if sensor.SensorType == Hardware.SensorType.Load and str(sensor.Name).startswith("Memory") and sensor.Value is not None:
                 return float(sensor.Value)
 
         return math.nan
@@ -404,7 +410,7 @@ def virtual_percent() -> float:
     def virtual_used() -> int:  # In bytes
         memory = get_hw_and_update(Hardware.HardwareType.Memory)
         for sensor in memory.Sensors:
-            if sensor.SensorType == Hardware.SensorType.Data and str(sensor.Name).startswith("Memory Used"):
+            if sensor.SensorType == Hardware.SensorType.Data and str(sensor.Name).startswith("Memory Used") and sensor.Value is not None:
                 return int(sensor.Value * 1000000000.0)
 
         return 0
@@ -413,7 +419,7 @@ def virtual_used() -> int:  # In bytes
     def virtual_free() -> int:  # In bytes
         memory = get_hw_and_update(Hardware.HardwareType.Memory)
         for sensor in memory.Sensors:
-            if sensor.SensorType == Hardware.SensorType.Data and str(sensor.Name).startswith("Memory Available"):
+            if sensor.SensorType == Hardware.SensorType.Data and str(sensor.Name).startswith("Memory Available") and sensor.Value is not None:
                 return int(sensor.Value * 1000000000.0)
 
         return 0
@@ -449,16 +455,16 @@ def stats(if_name, interval) -> Tuple[
             net_if = get_net_interface_and_update(if_name)
             if net_if is not None:
                 for sensor in net_if.Sensors:
-                    if sensor.SensorType == Hardware.SensorType.Data and str(sensor.Name).startswith("Data Uploaded"):
+                    if sensor.SensorType == Hardware.SensorType.Data and str(sensor.Name).startswith("Data Uploaded") and sensor.Value is not None:
                         uploaded = int(sensor.Value * 1000000000.0)
                     elif sensor.SensorType == Hardware.SensorType.Data and str(sensor.Name).startswith(
-                            "Data Downloaded"):
+                            "Data Downloaded") and sensor.Value is not None:
                         downloaded = int(sensor.Value * 1000000000.0)
                     elif sensor.SensorType == Hardware.SensorType.Throughput and str(sensor.Name).startswith(
-                            "Upload Speed"):
+                            "Upload Speed") and sensor.Value is not None:
                         upload_rate = int(sensor.Value)
                     elif sensor.SensorType == Hardware.SensorType.Throughput and str(sensor.Name).startswith(
-                            "Download Speed"):
+                            "Download Speed") and sensor.Value is not None:
                         download_rate = int(sensor.Value)
 
         return upload_rate, uploaded, download_rate, downloaded