Update gradio_app.py

gradio_app.py

@@ -88,16 +88,23 @@ def chat_function(message, history):
     history.append((message, response))
     return history
 
-demo = gr.Interface(
-    fn=chat_function,
-    inputs=[
-        gr.Textbox(label="Your question"),
-        gr.State([])
-    ],
-    outputs=[gr.Chatbot()],
-    title="(PDF) Information and Inference🗞️",
-    description="Retrieval-Augmented Generation",
-    allow_flagging="never"
-)
+with gr.Blocks() as demo:
+    gr.Markdown("# (PDF) Information and Inference🗞️")
+    gr.Markdown("Retrieval-Augmented Generation")
+    
+    with gr.Row():
+        with gr.Column(scale=1):
+            file_output = gr.Textbox(label="Upload Status")
+            upload_button = gr.UploadButton("Upload PDF", file_types=[".pdf"])
+        
+        with gr.Column(scale=2):
+            chatbot = gr.Chatbot()
+            msg = gr.Textbox(label="Ask me anything about the content of the PDF:")
+            clear = gr.Button("Clear")
+    
+    upload_button.upload(process_file, upload_button, file_output)
+    msg.submit(chat_function, [msg, chatbot], chatbot)
+    clear.click(lambda: None, None, chatbot, queue=False)
 
-demo.launch()
+if __name__ == "__main__":
+    demo.launch()