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Showing content from https://mail.python.org/pipermail/python-dev/2017-November/150192.html below:

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

[Python-Dev] [python-committers] Reminder: 12 weeks to 3.7 feature code cutoffStephen J. Turnbull turnbull.stephen.fw at u.tsukuba.ac.jp
Mon Nov 6 01:00:50 EST 2017
-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 (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.

FWIW YMMV

Steve



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