Fix light sensor parsing

rpi/hardware/light/lora_light_sensor_reader.py

@@ -0,0 +1,27 @@
+import json
+import re
+from re import Pattern
+
+from hardware.generic.serial_reader import SerialReader
+
+class LoraLightSensorReader(SerialReader):
+
+    json_pattern : Pattern = None
+
+    def __init__(self, port, baudrate):
+        super().__init__(port, baudrate)
+        self.json_pattern = re.compile(r'\{.*}')
+
+    def __read(self):
+        while self._run_event.is_set():
+            line = self.serial.readline().decode('utf-8', errors='ignore').strip()
+            if not line:
+                continue
+
+            match = self.json_pattern.search(line)
+            if match:
+                try:
+                    data = json.loads(match.group())
+                    print("Received JSON:", data)
+                except json.JSONDecodeError:
+                    print("Received invalid JSON:", match.group())

rpi/hardware/rfid/reader.py

@@ -1,8 +1,4 @@
 #!/usr/bin/env python3
-from collections.abc import Callable
-from threading import Thread
-import threading
-from serial import Serial
 
 from hardware.generic.serial_reader import SerialReader