[SciPy-User] numpy, scipy, and python 3

Ralf Gommers ralf.gommers@googlemail....
Tue Aug 2 01:26:52 CDT 2011

On Tue, Aug 2, 2011 at 2:52 AM, David Warde-Farley <
wardefar@iro.umontreal.ca> wrote:

> On 2011-08-01, at 8:36 PM, R. Padraic Springuel wrote:
> > I read in the readme for numpy 1.6.1 and scipy 0.9.0 that both support
> > python 3, but I can't find and Mac installation files for either package
> > that work with any version of python 3.  Anyone know where I can get
> > some or do I need to build from source (something I haven't done in a
> > while, but should, theoretically, be able to do)?
> I don't think Ralf has been building Python 3 binaries. I'm guessing that
> there isn't much demand, as other parts of the tool stack have yet to make
> the jump to Python 3 (notably matplotlib).
> I haven't. It still requires some work since bdist_mpkg (used for the 2.x
binaries) doesn't support python 3.x.

> However, OS X is probably the easiest platform on which to build NumPy.
> SciPy, at last glance, required you grab a certain version of gfortran (this
> one: http://r.research.att.com/tools/ but check the docs in case this has
> changed), but is otherwise a straightforward "python setup.py build && sudo
> python setup.py install" affair as well. Let the list know if you have
> problems.
> That's the right site to grab gfortran from, but note that if you're on
Lion you need a new binary that wasn't on the site last time I checked.
Easiest is to install it through homebrew.

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