[Python-Dev] Please reconsider PEP 479.

[Guido van Rossum]

A decorator with a side effect *elsewhere* (like the route registrations)
is acceptable; one with a side effect *on the decorated function* is
questionable, and instead the decorator should behave "functionally", i.e.
return a new object instead.

On Wed, Nov 26, 2014 at 5:07 PM, Chris Angelico <rosuav at gmail.com> wrote:

> On Thu, Nov 27, 2014 at 12:01 PM, Guido van Rossum <guido at python.org>
> wrote:
> > Well, that's just a general problem with decorator ordering.
>
> Indeed. I was hoping it could be avoided in this instance by just
> altering __code__ on an existing function, but if that's not possible,
> we fall back to what is, after all, a known and documented concern.
>
> ChrisA
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-- 
--Guido van Rossum (python.org/~guido)
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