__init__.py 文件源码

def _accetable_user_map(user_map):
    if not user_map:
        return False

    ruid, euid, suid = getresuid()

    inter_id, outer_id, _range = _covert_map_to_tuple(user_map, 'user')

    if i_am_not_superuser():
        _id = outer_id
        _max_id = outer_id + _range
        if _range > 3:
            return False
        while _id < _max_id:
            if _id not in [ruid, euid, suid]:
                return False
            _id += 1

    return True