[SciPy-Dev] ANN: SciPy 0.8.0 beta 1

Charles R Harris charlesr.harris@gmail....
Mon Jun 7 20:20:22 CDT 2010


On Mon, Jun 7, 2010 at 7:15 PM, David <david@silveregg.co.jp> wrote:

> On 06/08/2010 10:10 AM, Ralf Gommers wrote:
> >
> >
> > On Tue, Jun 8, 2010 at 9:03 AM, David <david@silveregg.co.jp
> > <mailto:david@silveregg.co.jp>> wrote:
> >
> >     On 06/08/2010 01:56 AM, Ralf Gommers wrote:
> >      >
> >      >
> >      > On Mon, Jun 7, 2010 at 10:20 PM, Charles R Harris
> >      > <charlesr.harris@gmail.com <mailto:charlesr.harris@gmail.com>
> >     <mailto:charlesr.harris@gmail.com
> >     <mailto:charlesr.harris@gmail.com>>> wrote:
> >      >
> >      >
> >      >
> >      >     On Mon, Jun 7, 2010 at 5:55 AM, Ralf Gommers
> >      > <ralf.gommers@googlemail.com <mailto:ralf.gommers@googlemail.com>
> >     <mailto:ralf.gommers@googlemail.com
> >     <mailto:ralf.gommers@googlemail.com>>>
> >      >     wrote:
> >      >
> >      >
> >      >
> >      >         On Mon, Jun 7, 2010 at 7:34 PM, Neil Crighton
> >      > <neilcrighton@gmail.com <mailto:neilcrighton@gmail.com>
> >     <mailto:neilcrighton@gmail.com <mailto:neilcrighton@gmail.com>>>
> wrote:
> >      >
> >      >             Ralf Gommers <ralf.gommers <at> googlemail.com
> >     <http://googlemail.com>
> >      > <http://googlemail.com>> writes:
> >      >
> >      > >  I'm pleased to announce the first beta release of SciPy
> >      > > 0.8.0.SciPy is a package of tools for science and engineering
> >      > > for Python.It includes modules for statistics, optimization,
> >      > > integration, linearalgebra, Fourier transforms, signal and
> >      > > image processing, ODE solvers, and more.This beta release
> >      >             comes
> >      > > almost one and a half year after the 0.7.0 release
> >      >             andcontains
> >      > > many new features, numerous bug-fixes, improved testcoverage,
> >      > > and better documentation.  Please note that SciPy 0.8.0b1
> >      > > requires Python 2.4 or greater and NumPy 1.4.1 or greater.
> >      >
> >      >             Thanks for getting the beta out!
> >      >
> >      >             The release notes say Numpy 1.3 or greater is needed
> >     - is this
> >      >             correct? Above you say 1.4.1 is needed.
> >      >
> >      >
> >      >         No, 1.4.1 is needed. Notes are fixed now.
> >      >
> >      >             I think "support for
> >      >             Python 3 in Scipy might not yet be included in Scipy
> >     0.8" is too
> >      >             ambiguous. Just say 0.8 will not be compatible with
> >     Python
> >      >             3, but
> >      >             we expect the next version (0.9?) to be compatible, if
> >      >             that's the
> >      >             case.
> >      >
> >      >         Reworded as:
> >      > "Python 3 compatibility is planned and is currently technically
> >      >         feasible, since Numpy has been ported. However, since the
> >     Python 3
> >      >         compatible Numpy 2.0 has not been released yet, support
> >     for Python 3
> >      >         in Scipy is not yet included in Scipy 0.8.  SciPy 0.9,
> >     planned
> >      >         for fall
> >      >         2010, will very likely include experimental support for
> >     Python 3."
> >      >
> >      >
> >      >     Are we going to release a Numpy 1.5?
> >      >
> >      >
> >      > Yes. Guess I should reread such a paragraph a few times before
> >     committing.
> >      >
> >      > The only reason I've not made a 1.5 branch yet is I will only
> >     have time
> >      > for a numpy release cycle at or towards the end of this scipy
> release
> >      > cycle. Saves some backporting. If you think it'd be useful to do
> >     it now
> >      > please let me know.
> >
> >     I don't think we should make the 1.5 branch now - there is a lot of
> >     things missing, and I would really like to put everything that is
> needed
> >     for python 3.x support in scipy in the 1.5 release.
> >
> >
> > Threads are mixing a bit, but we're talking about numpy here. I thought
> > numpy 3.x support was pretty much finished?
>
> Yes, but to make scipy compatible with 3.x, it is easier to add some
> stuff in numpy.distutils, etc... for scipy.
>
> >
> >     And AFAIK, we have
> >     not cleaned up the branch to make it ABI compatible with 1.4.x.
> >
> > That should be done after making the branch right? If you remove
> > datetime in trunk you're just going to have to put it back later.
>
> But we agreed to remove it, right ? What if we decide to have a 1.6,
> etc... ?
>
>
I've been toying with the idea that the trunk should be branched, with one
branch for the datetime and other API changes and another that is compatible
with 1.4, 1.5, etc. When the changes are ready, they can then be merged back
in. Of course, this will all be easier when the GIT transition is finished.

Chuck
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