fix: formatted title

app.py

@@ -31,31 +31,25 @@ def handle_file_upload(file):
 
     filename = os.path.basename(file.name)
 
-    # Regex to extract "Artist - Title" from various formats
+    # This regex captures both "Artist - Title" and "Title - Artist" formats
     match = re.match(
-        r'^(.*?)(?:\s*[-\[\(]\s*)(.*?)(?=\s*[\[\(\-]|$)', filename
+        r'^(.*? - .*?)\s*(?:[\(\[].*?[\)\]])?$', filename
     )
-    
+
     if match:
-        if '-' in match.group(1):
-            # If the dash is in the first part, assume "Artist - Title"
-            formatted_title = match.group(1).strip()
-        else:
-            # Otherwise, assume "Title - Artist"
-            formatted_title = f"{match.group(2).strip()} - {match.group(1).strip()}"
+        # This directly captures the "Artist - Title" part
+        formatted_title = match.group(1).strip()
     else:
-        formatted_title = filename
+        # If no match, fallback to the original filename
+        formatted_title = sanitize_filename(filename.strip())
 
-    formatted_title = sanitize_filename(formatted_title.strip())
-    
     input_path = os.path.join(INPUT_FOLDER, "wav", f"{formatted_title}.wav")
     os.makedirs(os.path.dirname(input_path), exist_ok=True)
-    
+
     # Copy the uploaded file to the input folder
     shutil.copy(file.name, input_path)
-    
-    return input_path, formatted_title
 
+    return input_path, formatted_title
 
 def run_inference(model_type, config_path, start_check_point, input_dir, output_dir, device_ids="0"):
     command = [