On Tue, Mar 2, 2010 at 15:55, Florent Xicluna <florent.xicl...@gmail.com>wrote:
> Hello, > > I would like to open a discussion on the meaning of deprecation warnings in > 2.7. > I assume, but I may be wrong, that 2.7 will be the last version in the 2.x > branch. With this assumption, we should not find many things deprecated in > 2.7 > final. > > On the other hand, the list of py3k deprecation warnings is increasing a > lot. > And more users will probably start to move from 2.7 to the 3.1 release. > > While working on ticket #7092 and #7849, we started to discuss some > proposals > to simplify the deprecation warnings for 2.7. > > We discussed these 2 proposals: > > 1) in 2.6 there's no distinction between py3k and normal deprecations: > they > share the same category, DeprecationWarning. The "-3" switch enables > the > py3k DeprecationWarning and SyntaxWarning. > Do we need to introduce a subclass Py3kDeprecationWarning in 2.7? It > will > make it easier to separate both kinds of deprecations (2.x and 3.x), and > to filter them. > > 2) a different idea is to deprecate the "-3" switch and consider all py3k > deprecations as normal deprecations. They will be hidden by default > thanks to #7309. Since there's no future for the 2.x branch, it seems > normal to consider the migration from 2.7 to 3.1 and show these warnings > when the developer uses "-Wd" switch. > > What do you expect as DeprecationWarning in 2.7? > I like option 2; we are serious about trying to make 2.7 the last in the 2.x series, which means if you care about deprecations then you are caring about Python 3. So I say make -3 the equivalent of -Wd in Python 2.7 -Brett > > I will post a list of the DeprecationWarnings in the python trunk, in a > followup message, for a review, and to help the discussion. > > Best regards, > > -- > Florent Xicluna > > > _______________________________________________ > Python-Dev mailing list > Python-Dev@python.org > http://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: > http://mail.python.org/mailman/options/python-dev/brett%40python.org >
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