def _get_info_dict(left_uri, right_uri, tables_info):
    """Create an empty stub for the `info` dict. """
    info = {'uris': {'left': left_uri, 'right': right_uri}, 'tables': {
        'left': tables_info.left, 'left_only': tables_info.left_only,
        'right': tables_info.right, 'right_only': tables_info.right_only,
        'common': tables_info.common}, 'tables_data': {}}
    return info
