fix gradio file reading

app.py

@@ -823,10 +823,32 @@ def process_and_download(file_input, control=None):
         gr.Warning("Пожалуйста, загрузите файл")
         return pd.DataFrame(), None, None, None, "Ожидание файла...", ""
 
+    # Add debug logging
+    logger.info(f"File input type: {type(file_input)}")
+    if hasattr(file_input, '__dict__'):
+        logger.info(f"File input attributes: {dir(file_input)}")
+
     # Convert file input to bytes
     try:
         if hasattr(file_input, 'name'):  # Gradio 4+ NamedString object
-            file_bytes = file_input.read()  # Get bytes directly
+            # Different ways to extract file content
+            if isinstance(file_input, str):
+                # If it's actually a file path
+                with open(file_input, 'rb') as f:
+                    file_bytes = f.read()
+            elif hasattr(file_input, 'value'):
+                # Try accessing value attribute (common in Gradio 4+)
+                file_bytes = file_input.value
+            elif hasattr(file_input, 'content'):
+                # Try accessing content attribute
+                file_bytes = file_input.content  
+            else:
+                # Last resort - convert to string and encode
+                file_bytes = str(file_input).encode('utf-8')
+        elif isinstance(file_input, dict) and 'path' in file_input:
+            # Gradio sometimes returns a dict with file path
+            with open(file_input['path'], 'rb') as f:
+                file_bytes = f.read()
         elif isinstance(file_input, (str, bytes)):
             # Either bytes or file path
             if isinstance(file_input, str):
@@ -836,8 +858,11 @@ def process_and_download(file_input, control=None):
                 file_bytes = file_input
         else:
             raise ValueError(f"Unexpected file input type: {type(file_input)}")
+            
+        logger.info(f"Successfully processed file, size: {len(file_bytes) if file_bytes else 0} bytes")
+        
     except Exception as e:
-        gr.Warning(f"Ошибка чтения файла: {str(e)}")
+        logger.error(f"File reading error: {str(e)}", exc_info=True)
         return pd.DataFrame(), None, None, None, f"Ошибка чтения файла: {str(e)}", ""
 
     if control is None: