Update app.py

app.py

@@ -252,18 +252,38 @@ class FileProcessor:
 
 def generate_qr(json_data):
     """Generate QR code from JSON data and return the file path."""
-    qr = qrcode.QRCode(
-        version=40,  # Force maximum version
-        error_correction=qrcode.constants.ERROR_CORRECT_L,  # Use lower error correction
-        box_size=10,
-        border=4,
-    )
-    qr.add_data(json_data)
-    qr.make(fit=True)
-    img = qr.make_image(fill_color="black", back_color="white")
-    temp_file = tempfile.NamedTemporaryFile(delete=False, suffix=".png")
-    img.save(temp_file.name)
-    return temp_file.name
+    try:
+        # Try first with automatic version selection
+        qr = qrcode.QRCode(
+            error_correction=qrcode.constants.ERROR_CORRECT_L,
+            box_size=10,
+            border=4,
+        )
+        qr.add_data(json_data)
+        qr.make(fit=True)
+        
+        img = qr.make_image(fill_color="black", back_color="white")
+        temp_file = tempfile.NamedTemporaryFile(delete=False, suffix=".png")
+        img.save(temp_file.name)
+        return temp_file.name
+    except Exception as e:
+        # If the data is too large for a QR code
+        logger.error(f"QR generation error: {e}")
+        
+        # Create a simple QR with error message
+        qr = qrcode.QRCode(
+            version=1,
+            error_correction=qrcode.constants.ERROR_CORRECT_L,
+            box_size=10,
+            border=4,
+        )
+        qr.add_data("Error: Data too large for QR code")
+        qr.make(fit=True)
+        
+        img = qr.make_image(fill_color="black", back_color="white")
+        temp_file = tempfile.NamedTemporaryFile(delete=False, suffix=".png")
+        img.save(temp_file.name)
+        return temp_file.name
 
 def create_interface():
     """Create a comprehensive Gradio interface with advanced features"""