try:
    from django_scopes import scope
except ImportError:
    from xenua.decorators import no_op as scope


def add_scopes(get_scopes=None, **scopes):
    def decorate(fn):
        def wrapper(*args, **kwargs):
            nonlocal scopes
            if get_scopes is not None:
                scopes = get_scopes(**scopes)
            with scope(**scopes):
                return fn(*args, **kwargs)
        return wrapper
    return decorate