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From: Terry Reedy <tjreedy@udel.edu>
Subject: Re: Skipping decorators in unit tests
Date: Fri, 11 Oct 2013 04:23:57 -0400
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On 10/11/2013 12:36 AM, Steven D'Aprano wrote:

> I also like Terry Reedy's suggestion of having the decorator
> automatically add the unwrapped function to the wrapped function as an
> attribute:
>
> def decorate(func):
>      @functools.wraps(func)
>      def inner(arg):
>          blah blah
>      inner._unwrapped = func  # make it public if you prefer
>      return inner
>
> which makes it all nice and clean and above board. (I seem to recall a
> proposal to have functools.wraps do this automatically...)

The explicit attribute can also be set by class rather than closure 
based decorators.

-- 
Terry Jan Reedy