_utils.py 文件源码

def reconstructor(cls, n):
        if isinstance(n, types.FunctionType):
            return lambda f: f
        if isinstance(n, types.MethodType):
            return lambda f: types.MethodType(f, n.im_self, n.im_class)
        if isinstance(n, (staticmethod,classmethod)):
            return lambda f: type(n)(f)
        if isinstance(n, types.InstanceType):
            return lambda f: types.InstanceType(type(n), dict(f.__dict__))
        if isinstance(n, (types.TypeType,types.ClassType)):
            return lambda f: type(n)(n.__name__, n.__bases__, dict(f.__dict__))
        raise NotImplementedError, type(func)