[Python-Dev] Parser module in the stdlib

[Brett Cannon]

On Mon., May 20, 2019, 16:00 Terry Reedy, <tjreedy at udel.edu> wrote:

> On 5/20/2019 11:55 AM, Guido van Rossum wrote:
> > On Thu, May 16, 2019 at 3:57 PM Steve Dower <steve.dower at python.org
> > <mailto:steve.dower at python.org>> wrote:
> >
> >     [...]
> >     We still have the policy of not removing modules that exist in the
> >     Python 2 standard library. But 3.9 won't be covered by that :)
> >
> > I didn't even remember that. Where's that written down?
>
> AFAIK, there has been no BDFL pronouncement or coredev vote.


It's in PEP 4 since at least Python 3.5:
https://www.python.org/dev/peps/pep-0004/#for-modules-existing-in-both-python-2-7-and-python-3-5
.

-Brett

But it has
> become somewhat of a consensus as a result of discussions in multliple
> threads about removing modules going back to the 3.4 era.
>
> PEP 594, just posted, proposes to codify a 'soft' (or perhaps 'slow')
> version of the policy: doc deprecation, code deprecation, and code
> removal in 3.8, 3.9, 3.10.
> > FWIW I am strongly in favor of getting rid of the `parser` module, in
> > 3.8 if we can, otherwise in 3.9 (after strong deprecation in 3.8).
>
> You could request that 'parser' be specifically excluded from the PEP,
> along with 'distutils' (and effectively anything else not specifically
> named).  Or request that it be included, but with an accelerated
> schedule.  I have a vague idea of why you think it harmful to keep it
> around, but a reminder would not hurt ;-).
>
> --
> Terry Jan Reedy
>
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