sandeepUndurthi/code-explainer-gpt3.5

1import streamlit as st2import openai3import os4 5st.set_page_config(page_title="GPT Code Explainer", layout="centered")6st.title("🧠 GPT-3.5 Code Explainer")7st.write("Paste your Python code below and get a detailed explanation using OpenAI GPT-3.5.")8 9code_input = st.text_area("Paste Python Code", height=200)10 11# ✅ Use correct client for openai>=1.0.012api_key = os.getenv("OPENAI_API_KEY")13client = openai.Client(api_key=api_key) if api_key else None14 15if st.button("Explain"):16    if not client:17        st.error("❌ OPENAI_API_KEY not set. Add it as a secret in your Hugging Face Space.")18    elif code_input.strip():19        with st.spinner("Asking GPT-3.5..."):20            try:21                prompt = f"Explain the following Python function step-by-step:\n\n{code_input.strip()}"22                response = client.chat.completions.create(23                    model="gpt-3.5-turbo",24                    messages=[{"role": "user", "content": prompt}],25                    max_tokens=512,26                    temperature=0.5,27                )28                explanation = response.choices[0].message.content.strip()29                st.subheader("✅ Explanation")30                st.write(explanation)31            except Exception as e:32                st.error(f"OpenAI API error: {e}")33    else:34        st.warning("Please paste some code to explain.")35