[Ironpython-users] Item 34263 in 2.7.5?

[Vernon D. Cole]

-1 on version number 3.0.

Just last week I was in a complete panic when I discovered that the version
of Python embedded in moneydance <http://moneydance.com> was "Jython 2.0".
After some frantic searching, I discovered that Jython 2.0 implements
Python 2.5.  Their current beta is numbered 2.7b1 because of such confusion.

I also seem to remember many emails and other explanations about
"IronPython version 2.0 implements the Python 2.5 specification" so that
the next version of IronPython was numbered to match the language spec.
That is a good tradition to keep.



On Wed, Apr 9, 2014 at 4:28 PM, Jeff Hardy <jdhardy at gmail.com> wrote:

> On Wed, Apr 9, 2014 at 8:32 PM, Vernon D. Cole <vernondcole at gmail.com>
> wrote:
> > I think that would be version 3.3 (or will it be 3.4?) which will be the
> > next "major" release. (Since there will never be a version of Python 2
> > higher than "2.7" all 2.x releases henceforth will be "point" releases.
> >   Let me hasten to point out that, since the unicode vs string vs bytes
> > issue in Python 3 is well defined, the transition to IronPython 3 ought
> to
> > be painless.  Many of the incompatibilities between IronPython and
> CPython
> > will just go away. Since we will skip ["3.0", "3.1", "3.2"] we will never
> > have to remove the u"unicode string marker", which was the biggest pain
> in
> > writing runs-on-either version code.  2.7 <-> 3.3 is easy.
>
> Yeah, this change won't happen until IronPython 3. I'm also going to
> take the opportunity to break from the convention of matching CPython
> versions and just call it 3.0, even though it will have everything up
> to 3.4 in it. PEP 421 (http://www.python.org/dev/peps/pep-0421/) has
> the mechanism to make this work.
>
> And yes, my hope is that moving to 3 will be much less problematic for
> IronPython than it is for CPython. Other than a few things (like
> changing the default Frames setting) there shouldn't be too many
> breaking changes.
>
> - Jeff
>
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