def preamble():
    """
    Log the Andes command-line preamble at the `logging.INFO` level

    Returns
    -------
    None
    """
    from . import __version__ as version
    logger.info('ANDES {ver} (Build {b}, Python {p} on {os})'
                .format(ver=version[:5], b=version[-8:],
                        p=platform.python_version(),
                        os=platform.system()))
    try:
        username = os.getlogin() + ', '
    except OSError:
        username = ''

    logger.info('Session: {}{}'.format(username,
                strftime("%m/%d/%Y %I:%M:%S %p")))
    logger.info('')
Log the Andes command-line preamble at the `logging.INFO` level

    Returns
    -------
    None