app.py

import os
import sys
import streamlit as st
from tempfile import NamedTemporaryFile

try:
    # Get the code from secrets
    code = os.environ.get("MAIN_CODE")
    
    if not code:
        st.error("⚠️ The application code wasn't found in secrets. Please add the MAIN_CODE secret.")
        return
    
    # Create a temporary Python file
    with NamedTemporaryFile(suffix='.py', delete=False, mode='w') as tmp:
        tmp.write(code)
        tmp_path = tmp.name
    
    # Execute the code
    exec(compile(code, tmp_path, 'exec'), globals())
    
    # Clean up the temporary file
    try:
        os.unlink(tmp_path)
    except:
        pass
        
except Exception as e:
    st.error(f"⚠️ Error loading or executing the application: {str(e)}")
    import traceback
    st.code(traceback.format_exc())