[Numpy-discussion] Py3K

Charles R Harris charlesr.harris@gmail....
Tue Apr 15 15:27:39 CDT 2008

On Tue, Apr 15, 2008 at 2:23 PM, Charles R Harris <charlesr.harris@gmail.com>

> On Tue, Apr 15, 2008 at 1:21 PM, Bruce Southey <bsouthey@gmail.com> wrote:
> > Hi,
> > You probably should start with the 2to3.py tool (see link at
> > http://www.python.org/download/releases/3.0/).
> >
> Looks like a lot of the changes aren't at all backward compatible. The new
> style print, for instance, doesn't work with the older versions of python.
> So it looks like like we will have to fork the trunk and also decide on when
> to release a Python3.0 version and how long to maintain support for the
> earlier versions. I think the best thing to do is release a numpy version,
> say 1.2, as bug free as we can and with few API changes, put it in
> maintenance mode, and move on to 3.0 with a release that is a simple
> adaption without API changes.

Oh, and making the transition will be made a lot easier by having a complete
set of tests. Getting the tests and documentation into good state might be
the best focus for our 1.2 effort.

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