[Numpy-discussion] [matplotlib-devel] Matplotlib and latest numpy

Robert Kern robert.kern@gmail....
Fri Jul 18 19:07:22 CDT 2008

On Fri, Jul 18, 2008 at 19:02, Charles R Harris
<charlesr.harris@gmail.com> wrote:
> On Fri, Jul 18, 2008 at 5:53 PM, Robert Kern <robert.kern@gmail.com> wrote:
>> On Fri, Jul 18, 2008 at 18:49, Gael Varoquaux
>> <gael.varoquaux@normalesup.org> wrote:
>> > On Fri, Jul 18, 2008 at 06:44:21PM -0500, Robert Kern wrote:
>> >> It's not a setuptools issue at all. "build_ext --inplace" just doesn't
>> >> install header files.
>> >
>> > Does that mean that python setup.py develop should be banned for numpy?
>> No.
>> > If so I consider it a setuptools issue: one more caveat to learn about
>> > setuptools, ie the fact that setuptools develop is not reliable and can
>> > lead to interested bugs without conplaining at all.
>> IT'S NOT A SETUPTOOLS ISSUE. If you had done a "python setup.py
>> build_ext --inplace" and then set your PYTHONPATH manually, you would
>> have the same problem. Stop blaming setuptools for every little
>> problem. Building inplace is not a setuptools feature. It's a
>> distutils feature. The fact that we have header files in the package
>> is a numpy feature.
> So what was Gael doing wrong? Was it the develop on this line?
> python setupegg.py develop
> I'm asking because of the upcoming release. I never use setupegg.py and I
> don't know what is going on here.

The code generation logic in numpy does not know anything about
"build_ext --inplace" (which is a distutils feature that develop
invokes). That's it. This problem has always existed for all versions
of numpy whether you use setuptools or not. The logic in
numpy/core/setup.py that places the generated files needs to be fixed
if you want to fix this issue. I'm testing out a fix right now.

Robert Kern

"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
 -- Umberto Eco

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