DATA BYTES CONVESRION FOR GRADIO

app.py

@@ -816,12 +816,30 @@ def create_output_file(df, uploaded_file):
                
         
 @spaces.GPU(duration=90)
-def process_and_download(file_bytes, control=None):
+def process_and_download(file_input, control=None):
     """Synchronous wrapper for async processing"""
-    if file_bytes is None:
+    # Handle different file input types
+    if file_input is None:
         gr.Warning("Пожалуйста, загрузите файл")
         return pd.DataFrame(), None, None, None, "Ожидание файла...", ""
 
+    # Convert file input to bytes
+    try:
+        if hasattr(file_input, 'name'):  # Gradio 4+ NamedString object
+            file_bytes = file_input.read()  # Get bytes directly
+        elif isinstance(file_input, (str, bytes)):
+            # Either bytes or file path
+            if isinstance(file_input, str):
+                with open(file_input, 'rb') as f:
+                    file_bytes = f.read()
+            else:
+                file_bytes = file_input
+        else:
+            raise ValueError(f"Unexpected file input type: {type(file_input)}")
+    except Exception as e:
+        gr.Warning(f"Ошибка чтения файла: {str(e)}")
+        return pd.DataFrame(), None, None, None, f"Ошибка чтения файла: {str(e)}", ""
+
     if control is None:
         control = ProcessControl()