Update app.py

app.py

@@ -59,19 +59,20 @@ def chat(message, history, response_id):
         return history + [[message, error_message]], None
 
 def export_chat():
-    """Export conversation history to JSON file"""
+    """Export conversation history to JSON file for download"""
     global conversation_history
     
     if not conversation_history:
-        return "No conversation to export"
+        return None, "No conversation to export"
     
     timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
     filename = f"chat_export_{timestamp}.json"
     
-    with open(filename, "w") as f:
-        json.dump(conversation_history, f, indent=2)
+    # Create JSON content
+    json_content = json.dumps(conversation_history, indent=2)
     
-    return f"Conversation exported to {filename}"
+    # Return file for download and status message
+    return (filename, json_content), f"Conversation ready for download"
 
 def clear_chat(history):
     """Clear the chat history"""
@@ -115,6 +116,8 @@ with gr.Blocks(theme=gr.themes.Soft()) as app:
             clear_btn = gr.Button("Clear Chat")
             export_btn = gr.Button("Export Chat (JSON)")
         
+        # File download component
+        chat_file = gr.File(label="Download Chat", visible=False)
         export_message = gr.Textbox(label="Export Status", visible=True)
     
     # Set up event handlers
@@ -152,7 +155,11 @@ with gr.Blocks(theme=gr.themes.Soft()) as app:
     
     export_btn.click(
         export_chat,
-        outputs=[export_message]
+        outputs=[chat_file, export_message]
+    ).then(
+        lambda: gr.update(visible=True),
+        None,
+        [chat_file]
     )
     
     # Footer
@@ -170,4 +177,4 @@ with gr.Blocks(theme=gr.themes.Soft()) as app:
 if __name__ == "__main__":
     app.launch()
 
-print("Gradio app code generated successfully. Run this code to launch your chatbot application.")
+print("Updated Gradio app code with downloadable JSON export functionality.")