app.py

import gradio as gr
from transformers import pipeline

# IBM Granite model
model_name = "ibm-granite/granite-3.2-2b-instruct"
generator = pipeline("text-generation", model=model_name)

def smart_city_assistant(prompt):
    response = generator(prompt, max_new_tokens=200, do_sample=True, temperature=0.7)
    return response[0]['generated_text']

iface = gr.Interface(
    fn=smart_city_assistant,
    inputs=gr.Textbox(lines=3, placeholder="Ask about smart city, governance, eco tips..."),
    outputs="text",
    title="🌱 Sustainable Smart City Assistant",
    description="Powered by IBM Granite LLM"
)

iface.launch()