app.py

import gradio as gr
from huggingface_hub import InferenceClient

client = InferenceClient("HuggingFaceH4/zephyr-7b-beta")

def respond(
    message,
    history: list[tuple[str, str]],
    system_message,
    max_tokens,
    temperature,
    top_p,
):
    messages = [{"role": "system", "content": system_message}]

    for val in history:
        if val[0]:
            messages.append({"role": "user", "content": val[0]})
        if val[1]:
            messages.append({"role": "assistant", "content": val[1]})

    messages.append({"role": "user", "content": message})

    response = ""

    for message in client.chat_completion(
        messages,
        max_tokens=max_tokens,
        stream=True,
        temperature=temperature,
        top_p=top_p,
    ):
        token = message.choices[0].delta.content
        response += token
        yield response

custom_css = """
body {
    background-color: #121212;
    color: #ffffff;
}

.gradio-container {
    background-color: #121212 !important;
}

.gradio-textbox, .gradio-slider {
    border: 1px solid #ffffff !important;
    background-color: #1e1e1e !important;
    color: #ffffff !important;
    box-shadow: 0 0 10px #00ff00 !important; /* Glowing effect */
}

.gradio-slider input[type=range] {
    background-color: #00ff00 !important; /* Change slider color */
}

.gradio-button {
    background-color: #00ff00 !important;
    color: #121212 !important;
    border: none !important;
    box-shadow: 0 0 10px #00ff00 !important; /* Glowing effect */
}

.gradio-chat {
    background-color: #1e1e1e !important;
    color: #ffffff !important;
}

.gradio-label {
    color: #ffffff !important;
}
"""

demo = gr.ChatInterface(
    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)",
        ),
    ],
    css=custom_css
)

if __name__ == "__main__":
    demo.launch()