def dump_connection_info(engine: Engine, fileobj: TextIO = sys.stdout) -> None:
    """
    Dumps some connection info, as an SQL comment. Obscures passwords.

    Args:
        engine: the SQLAlchemy :class:`Engine` to dump metadata information
            from
        fileobj: the file-like object (default ``sys.stdout``) to write
            information to
    """
    meta = MetaData(bind=engine)
    writeline_nl(fileobj, sql_comment('Database info: {}'.format(meta)))