Update app.py

app.py

@@ -1,64 +1,102 @@
 import gradio as gr
 from huggingface_hub import InferenceClient
+import os
+import base64
 
-"""
-For more information on `huggingface_hub` Inference API support, please check the docs: https://huggingface.co/docs/huggingface_hub/v0.22.2/en/guides/inference
-"""
 client = InferenceClient("HuggingFaceH4/zephyr-7b-beta")
 
+# Base64 encode image
+def image_to_base64(image_path):
+    try:
+        with open(image_path, "rb") as image_file:
+            return base64.b64encode(image_file.read()).decode("utf-8")
+    except:
+        return ""
 
-def respond(
-    message,
-    history: list[tuple[str, str]],
-    system_message,
-    max_tokens,
-    temperature,
-    top_p,
-):
-    messages = [{"role": "system", "content": system_message}]
+# Header HTML
+def get_header_html():
+    if os.path.exists("static/aivn_logo.png"):
+        logo_base64 = image_to_base64("static/aivn_logo.png")
+        logo_html = f"""
+            <img src="data:image/png;base64,{logo_base64}" 
+                 alt="Logo" 
+                 style="height: 120px; width: auto; margin-right: 20px; margin-bottom: 20px;">
+        """
+    else:
+        logo_html = "<h2>AI VIETNAM</h2>"
+
+    return f"""
+    <div style="display: flex; align-items: center; padding: 20px;">
+        <div>{logo_html}</div>
+        <div style="margin-left: 20px;">
+            <h1>🧠 Zephyr Chatbot</h1>
+            <p>Conversational Assistant powered by HuggingFace Zephyr-7B</p>
+            <p style="color: #555;">🚀 Customize system prompt, temperature, top-p, etc.</p>
+        </div>
+    </div>
+    """
 
-    for val in history:
-        if val[0]:
-            messages.append({"role": "user", "content": val[0]})
-        if val[1]:
-            messages.append({"role": "assistant", "content": val[1]})
+# Footer HTML
+def get_footer_html():
+    return """
+    <div style="
+        position: fixed;
+        bottom: 0;
+        left: 0;
+        width: 100%;
+        background: white;
+        padding: 10px;
+        text-align: center;
+        box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
+        z-index: 1000;
+        font-size: 14px;
+    ">
+        Created by <a href="https://vlai.work" target="_blank" style="color: #007BFF;">VLAI</a> • AI VIETNAM
+    </div>
+    """
+
+# Chat function
+def respond(message, history, system_message, max_tokens, temperature, top_p):
+    messages = [{"role": "system", "content": system_message}]
+    for msg in history:
+        messages.append(msg) 
 
     messages.append({"role": "user", "content": message})
 
     response = ""
-
-    for message in client.chat_completion(
+    for chunk in client.chat_completion(
         messages,
         max_tokens=max_tokens,
         stream=True,
         temperature=temperature,
         top_p=top_p,
     ):
-        token = message.choices[0].delta.content
-
+        token = chunk.choices[0].delta.content
         response += token
-        yield response
+        yield {"role": "assistant", "content": response}
 
 
-"""
-For information on how to customize the ChatInterface, peruse the gradio docs: https://www.gradio.app/docs/chatinterface
-"""
-demo = gr.ChatInterface(
-    respond,
+# UI
+chat = gr.ChatInterface(
+    fn=respond,
     additional_inputs=[
-        gr.Textbox(value="You are a friendly Chatbot.", label="System message"),
-        gr.Slider(minimum=1, maximum=2048, value=512, step=1, label="Max new tokens"),
-        gr.Slider(minimum=0.1, maximum=4.0, value=0.7, step=0.1, label="Temperature"),
-        gr.Slider(
-            minimum=0.1,
-            maximum=1.0,
-            value=0.95,
-            step=0.05,
-            label="Top-p (nucleus sampling)",
-        ),
+        gr.Textbox(value="You are a friendly chatbot.", label="System message"),
+        gr.Slider(1, 2048, value=512, step=1, label="Max new tokens"),
+        gr.Slider(0.1, 4.0, value=0.7, step=0.1, label="Temperature"),
+        gr.Slider(0.1, 1.0, value=0.95, step=0.05, label="Top-p (nucleus sampling)")
     ],
+    title="Zephyr Chatbot",
+    description="A customizable chat assistant powered by HuggingFace H4 Zephyr-7B.",
+    type="messages",
 )
 
 
+# Combine with layout elements
+with gr.Blocks(css=".gradio-container {min-height: 100vh;}") as demo:
+    gr.HTML(get_header_html())
+    chat.render()
+    gr.HTML(get_footer_html())
+
 if __name__ == "__main__":
-    demo.launch()
+    os.makedirs("static", exist_ok=True)
+    demo.launch(server_name="0.0.0.0", server_port=7860)