Python类的functools.wraps的等价功能

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Python类的functools.wraps的等价功能

在使用类定义装饰器时，如何自动传递__name__、__module__和__doc__？通常情况下，我会使用functools中的@wraps装饰器。下面是我为一个类所做的（这不完全是我的代码）：

class memoized:
    """Decorator that caches a function's return value each time it is called.
    If called later with the same arguments, the cached value is returned, and
    not re-evaluated.
    """
    def __init__(self, func):
        super().__init__()
        self.func = func
        self.cache = {}
    def __call__(self, *args):
        try:
            return self.cache[args]
        except KeyError:
            value = self.func(*args)
            self.cache[args] = value
            return value
        except TypeError:
            # uncacheable -- for instance, passing a list as an argument.
            # Better to not cache than to blow up entirely.
            return self.func(*args)
    def __repr__(self):
        return self.func.__repr__()
    def __get__(self, obj, objtype):
        return functools.partial(self.__call__, obj)
    __doc__ = property(lambda self:self.func.__doc__)
    __module__ = property(lambda self:self.func.__module__)
    __name__ = property(lambda self:self.func.__name__)

是否有一个标准的装饰器可以自动创建名称、模块和文档？还有，如何自动化get方法（我假设这是为了创建绑定方法？）？是否有任何缺少的方法？

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