FatimaMohsin12/programming_tutor

1import gradio as gr2import os3import requests4 5# ================= CONFIG =================6GROQ_API_KEY = os.environ.get("GROQ_API_KEY")7 8GROQ_API_URL = "https://api.groq.com/openai/v1/chat/completions"9MODEL_NAME = "llama-3.1-8b-instant"10 11SYSTEM_PROMPT = """12You are CodeMentor, a friendly and patient programming tutor.13You explain concepts clearly with examples.14You help beginners understand programming step by step.15"""16 17# ================= GROQ CALL =================18def call_groq(user_message, history, mode):19    if not GROQ_API_KEY:20        return "❌ GROQ_API_KEY missing. Add it in Hugging Face → Settings → Secrets."21 22    headers = {23        "Authorization": f"Bearer {GROQ_API_KEY}",24        "Content-Type": "application/json",25    }26 27    messages = [{"role": "system", "content": SYSTEM_PROMPT.strip()}]28 29    for msg in history:30        if isinstance(msg, dict) and "role" in msg and "content" in msg:31            messages.append({32                "role": str(msg["role"]),33                "content": str(msg["content"])34            })35 36    if mode == "Overview":37        user_message = "Respond gently and calmly.\n\n" + user_message38    elif mode == "Logical Breakdown":39        user_message = "Explain step-by-step with clarity.\n\n" + user_message40    elif mode == "Short Response":41        user_message = "Give a short and direct answer.\n\n" + user_message42 43    messages.append({"role": "user", "content": user_message})44 45    payload = {46        "model": MODEL_NAME,47        "messages": messages,48        "temperature": 0.6,49        "max_tokens": 512,50    }51 52    try:53        response = requests.post(54            GROQ_API_URL,55            headers=headers,56            json=payload,57            timeout=30,58        )59 60        if response.status_code != 200:61            return f"❌ Groq API Error {response.status_code}: {response.text}"62 63        data = response.json()64        return data["choices"][0]["message"]["content"].strip()65 66    except Exception as e:67        return f"⚠️ Request failed: {e}"68 69# ================= CHAT HANDLER =================70def respond(user_input, history, mode):71    reply = call_groq(user_input, history, mode)72 73    history.append({"role": "user", "content": user_input})74    history.append({"role": "assistant", "content": reply})75 76    return "", history77 78# ================= UI =================79with gr.Blocks() as demo:80    gr.Markdown(81        """82        # 🧠 Code Mentor 83        ### Your AI Programming Tutor84        """85    )86 87    chatbot = gr.Chatbot(height=420)88 89    msg = gr.Textbox(90        label="Your Question",91    )92 93    mode = gr.Radio(94        ["Overview", "Logical Breakdown", "Short Response"],95        value="Overview",96        label="Response Style",97    )98 99    with gr.Row():100        send = gr.Button("Send")101        clear = gr.Button("Clear Chat")102 103    send.click(respond, [msg, chatbot, mode], [msg, chatbot])104    msg.submit(respond, [msg, chatbot, mode], [msg, chatbot])105 106    clear.click(lambda: [], None, chatbot)107 108demo.launch()