Получение температуры нескольких дисков от hddtemp. Нужные диски указываются в конфиге

config.json

@@ -3,6 +3,11 @@
     "baudrate": 19200,
     "pollIntervalSec": 2,
     "arduinoTimeoutSec": 0.25,
+    "drives":
+    [
+        "/dev/nvme0n1"
+    ],
+
     "controlGroups":
     [
         {

hddtempserial.py

@@ -4,7 +4,7 @@ import termios
 
 input_thread_running = False
 initialized = False
-temperatures = [30, 45, 50]
+temperatures = [0] * 3
 
 
 
@@ -156,7 +156,7 @@ if __name__ == "__main__":
     if args.manual:
         input_thread = threading.Thread(target = temp_input)
         input_thread.daemon = True
-        temp = '50,51,52'
+        temperatures = [30, 45, 50]
 
     if port is None:
         print('Serial device is not specified (neither in config nor in command line)')
@@ -165,6 +165,18 @@ if __name__ == "__main__":
         print('Baudrate is not specified (neither in config nor in command line)')
         exit()
 
+    if not args.manual:
+        drivesLen = len(config['drives'])
+        if drivesLen == 0:
+            print('No drives are specified in config. At least one drive must be specified')
+            exit()
+        if drivesLen > 3:
+            print(f'{drivesLen} drives are specified in config. Note that only 3 drives are supported, so only the first 3 will be used.')
+
+    if len(config['controlGroups']) != 3:
+        print('Incorrect number of control groups in config. There should be 3 control groups.')
+        exit()
+
     serial_port = open_serial(port, baudrate)
 
 
@@ -179,17 +191,31 @@ if __name__ == "__main__":
                         output = str(subprocess.Popen(['netcat', 'localhost', '7634'], stdout = subprocess.PIPE, stderr = subprocess.STDOUT).communicate()[0]) #получаем output от hddtemp
                         #b'|/dev/sda2|ST340014A|41|C|'
                         if output == "b''":
-                            print('Hddtemp output is empty, make sure it is running. If not, launch it with #hddtemp -d')
+                            print('Hddtemp output is empty, make sure it is running. If not, launch it: #systemctl start hddtemp.service')
                             #exit()
-
-                        #вычленяем значение температуры:
-                        temp_pos_end = output.find('|C|')
-                        temp_pos_start = output.rfind('|', 0, temp_pos_end) + 1
-                        temp = output[temp_pos_start:temp_pos_end]
-                        try:
-                            temperatures[0] = int(temp)
-                        except ValueError:
-                            print('Error: Failed to get a temperature value from hddtemp output')
+                        else:
+                            driveCount = len(config['drives'])
+                            if driveCount > 3:
+                                driveCount = 3
+
+                            for i in range(driveCount):
+                                drive = config['drives'][i]
+                                drive_pos = output.find(drive)
+                                if drive_pos == -1:
+                                    print(f'Drive {drive} not found in hddtemp output')
+                                    continue
+
+                                try:
+                                    #вычленяем значение температуры:
+                                    temp_pos_end = output.find('|C|', drive_pos)
+                                    if temp_pos_end == -1: raise ValueError
+                                    temp_pos_start = output.rfind('|', drive_pos, temp_pos_end) + 1
+                                    if temp_pos_start == -1: raise ValueError
+                                    temp = output[temp_pos_start:temp_pos_end]
+                                    temperatures[i] = int(temp)
+                                except ValueError:
+                                    print(f'Failed to parse a temperature value from hddtemp output for drive {drive}')
+                                    continue
 
                     if (poll(serial_port)):
                         if args.manual and not input_thread_running: