Update app.py

app.py

@@ -1,9 +1,9 @@
 import gradio as gr
 import os
 import requests
+import tempfile
 
-# Hugging Face API config
-HF_API_TOKEN = os.getenv("HF_TOKEN")  # Set this in Hugging Face Secrets
+HF_API_TOKEN = os.getenv("HF_TOKEN")
 MODEL_ID = "rohitnagareddy/Qwen3-0.6B-Coding-Finetuned-v1"
 API_URL = f"https://api-inference.huggingface.co/models/{MODEL_ID}"
 HEADERS = {"Authorization": f"Bearer {HF_API_TOKEN}"}
@@ -16,26 +16,33 @@ def query_hf_api(prompt):
 
 def chat_fn(prompt, chat_history):
     response = query_hf_api(prompt)
-    chat_history.append((prompt, response))
+    chat_history.append({"role": "user", "content": prompt})
+    chat_history.append({"role": "assistant", "content": response})
     return chat_history, chat_history
 
-def download_chat(history):
-    return "\n\n".join([f"You: {user}\nAI: {bot}" for user, bot in history])
+def save_chat(chat_history):
+    with tempfile.NamedTemporaryFile(delete=False, suffix=".txt", mode="w", encoding="utf-8") as f:
+        for entry in chat_history:
+            f.write(f"{entry['role'].capitalize()}: {entry['content']}\n\n")
+        return f.name  # return path to file
 
 with gr.Blocks(theme=gr.themes.Monochrome()) as demo:
-    gr.Markdown("# 🧠 Qwen3 Coding Chatbot")
+    gr.Markdown("# 🤖 Qwen3 Coding Chatbot (Gradio + HF API)")
+    
     with gr.Row():
         clear = gr.Button("🧹 Clear Chat")
-        download = gr.Button("⬇️ Download Chat")
+        download_btn = gr.Button("⬇️ Download Chat")
     
-    chat = gr.Chatbot(label="Qwen3 Chat")
-    msg = gr.Textbox(label="Your message")
+    chat = gr.Chatbot(label="Qwen Chat", type="messages")
+    msg = gr.Textbox(label="Your message", placeholder="Ask me something...")
     submit = gr.Button("🚀 Send")
     history = gr.State([])
+    download_file = gr.File(label="Download", visible=False)
 
     submit.click(chat_fn, [msg, history], [chat, history])
     msg.submit(chat_fn, [msg, history], [chat, history])
     clear.click(lambda: ([], []), None, [chat, history])
-    download.click(download_chat, [history], file_name="chat.txt")
+    download_btn.click(save_chat, [history], download_file)
+
+demo.launch(auth=[("admin", "securepass")])
 
-demo.launch(auth=[("Admin", "Password")])  # 🔒 Change this