Create app.py

app.py

@@ -0,0 +1,33 @@
+import gradio as gr
+from duckduckgo_search import DDGS
+
+def clear_history():
+    global ddgs
+    ddgs=DDGS()
+    return [], []  # 同時清除 chatbot 和 state
+
+def ask_duckduckgo(prompt, history):
+    history.append({'role': 'user', 'content': prompt})
+    try:
+        bot_response=ddgs.chat(prompt) 
+        history.append({'role': 'assistant', 'content': bot_response})
+    except Exception as e:
+        history.append({'role': 'assistant', 'content': f'發生錯誤：{str(e)}'})
+    return history, ""
+
+ddgs=DDGS()
+with gr.Blocks(title='DuckDuckGo 聊天機器人') as blocks:
+    gr.Markdown("# DuckDuckGo 聊天機器人")
+    chatbot=gr.Chatbot(type='messages',
+                       height=400,
+                       placeholder='我們的對話',
+                       show_copy_button=True)
+    state=gr.State([])
+    with gr.Column():
+        prompt=gr.Textbox(label="您的詢問:")
+        send_btn=gr.Button("送出")
+        clear_btn=gr.Button("清除對話")
+    send_btn.click(ask_duckduckgo, inputs=[prompt, state], outputs=[chatbot, prompt])
+    prompt.submit(ask_duckduckgo, inputs=[prompt, state], outputs=[chatbot, prompt])
+    clear_btn.click(clear_history, inputs=None, outputs=[chatbot, state])
+blocks.launch()