[Python-Dev] Python 4: don't remove anything, don't break backward compatibility

[Donald Stufft]

On Mar 10, 2014, at 2:21 PM, MRAB <python at mrabarnett.plus.com> wrote:

> On 2014-03-10 17:08, R. David Murray wrote:
>> On Mon, 10 Mar 2014 16:06:22 -0000, Brett Cannon <bcannon at gmail.com> wrote:
>>> On Mon Mar 10 2014 at 11:50:54 AM, Victor Stinner <victor.stinner at gmail.com>
>>> wrote:
>>> 
>>> > 2014-03-10 16:25 GMT+01:00 Stefan Richthofer <Stefan.Richthofer at gmx.de>:
>>> > > I don't see the point in this discussion.
>>> > > As far as I know, the major version is INTENDED to
>>> > > indicate backward-incompatible changes.
>>> >
>>> > This is not a strict rule. I would like to follow Linux 3 which didn't
>>> > break the API between Linux 2 and Linux 3.
>>> >
>>> 
>>> I disagree. I don't think 3->4 will be as drastic as it was for 2->3, but I
>>> view Python 4 as a chance to drop all deprecated APIs that we left in for
>>> convenience in porting from Python 2 (e.g. the imp module). We can't put a
>>> removal date as we can't really declare Python 2 dead for the whole
>>> community. But when Python 4 does come out next decade I would like to say
>>> that we have moved entirely beyond Python 2 as a team and thus don't turn
>>> into Java and support deprecated code forever.
>> 
>> We had this discussion a bit ago, and my sense was that we tentatively
>> decided that we were just going to deprecate and remove things as
>> appropriate, irregardless of version number.  I used "4.0" in my
>> message about 'U' as a shorthand for "some time after python2
>> is no longer an issue".  Sorry for the confusion.  (That said, I
>> do see some merit to doing some extra cleaning at the 4.0
>> boundary, just for mental convenience.)
>> 
> What does "irregardless" mean?

http://www.merriam-webster.com/dictionary/irregardless

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-----------------
Donald Stufft
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