Function wrapper

library/python/func/__init__.py:28–38

(*args, **kwargs)

    @functools.wraps(func)
    def wrapper(*args, **kwargs):
        try:
            return result.result
        except AttributeError:
            with lock:
                try:
                    return result.result
                except AttributeError:
                    result.result = func(*args, **kwargs)

            return result.result

    return wrapper