Update app.py

app.py

@@ -246,6 +246,13 @@ def _process_single_file(self, file) -> List[Dict]:
 
 def generate_qr_code(json_data):
     """Generate a QR code from JSON data."""
+    # Limit the size of json_data to avoid exceeding QR code version limits
+    max_length = 2953  # Maximum length for version 40 (the highest version)
+    
+    if len(json_data) > max_length:
+        logger.warning("JSON data is too large for QR code generation. Truncating data.")
+        json_data = json_data[:max_length]  # Truncate the data
+
     qr = qrcode.make(json_data)
     qr_path = "output/qr_code.png"
     qr.save(qr_path)