[Python-Dev] [python-committers] Reminder: 12 weeks to 3.7 feature code cutoff

Nick Coghlan ncoghlan at gmail.com
Mon Nov 6 01:10:14 EST 2017

On 6 November 2017 at 16:00, Stephen J. Turnbull
<turnbull.stephen.fw at u.tsukuba.ac.jp> wrote:
> -committers and some individuals dropped from address list.
> Nick Coghlan writes:
>  > Gah, seven years on from Python 2.7's release, I still get caught by
>  > that. I'm tempted to propose we reverse that decision and go back to
>  > enabling them by default :P
>  >
>  > If app devs don't want their users seeing deprecation warnings, they
>  > can silence them globally during app startup, and end users can do the
>  > same in PYTHONSTARTUP for their interactive sessions.
> This point was debated then, and there were good reasons why a lot of
> users can't/won't do this.  The two I remember are (1) a lot of
> non-technical users use apps that aren't getting upgraded, and so will
> always emit those warnings, which often scare or confuse them, and

If folks get scared away from running unmaintained software, that's a
good thing, not a bad thing.

> (2)
> doing it in PYTHONSTARTUP is indeed global, and the kind of people who
> use interactive sessions typically *want* to see those warnings, but
> only some of them and only sometimes.

Then that's a good motivation to learn how to manage which deprecation
warnings they actually see.


Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia

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