app.py

import streamlit as st
from transformers import pipeline, AutoTokenizer, AutoModelForCausalLM

# Load Math Arabic LLaMA model and tokenizer 
tokenizer = AutoTokenizer.from_pretrained("Jr23xd23/Math_Arabic_Llama-3.2-3B-Instruct")
model = AutoModelForCausalLM.from_pretrained("Jr23xd23/Math_Arabic_Llama-3.2-3B-Instruct")

# Set up the Hugging Face pipeline for text-generation task with LLaMA model
model_pipeline = pipeline(
    "text-generation",
    model=model,
    tokenizer=tokenizer,
    device=-1  # Ensure it runs on CPU (adjust if using GPU)
)

# Streamlit app UI
st.title("Math Tutor")
st.write("Ask me a math question in Arabic, and I will help you.")

# Sidebar for user to control model generation parameters
st.sidebar.title("Model Parameters")
temperature = st.sidebar.slider("Temperature", 0.1, 1.5, 1.0, 0.1)  # Default 1.0
top_p = st.sidebar.slider("Top-p (Nucleus Sampling)", 0.0, 1.0, 0.9, 0.05)  # Default 0.9
top_k = st.sidebar.slider("Top-k", 0, 100, 50, 1)  # Default 50
do_sample = st.sidebar.checkbox("Enable Random Sampling", value=True)  # Enable sampling

# Input field for the student
student_question = st.text_input("Ask your question in English or Arabic!")

# Generate and display response using the LLaMA model
if student_question:
    # Adjust prompt to encourage student-friendly responses
    prompt = f"Please explain the answer step by step in simple terms to a young student: '{student_question}'"
    
    # Call the pipeline with adjusted parameters
    response = model_pipeline(
        prompt,
        max_length=150,  # Adjust this based on desired response length
        temperature=temperature,  # Control randomness
        top_p=top_p,  # Nucleus sampling
        top_k=top_k,  # Top-k sampling
        do_sample=do_sample  # Enable or disable sampling
    )
    
    st.write("Tutor's Answer:", response[0]['generated_text'])