def forwast_autodownload(FORWAST_URL):      

    """
    Autodownloader for forwast database package for brightway. Used by `lcopt_bw2_forwast_setup` to get the database data. Not designed to be used on its own
    """
    dirpath = tempfile.mkdtemp()
    r = requests.get(FORWAST_URL)
    z = zipfile.ZipFile(io.BytesIO(r.content))
    z.extractall(dirpath)
    return os.path.join(dirpath, 'forwast.bw2package')