[SciPy-Dev] Scipy on Python 3

[David Cournapeau]

On Sun, Sep 12, 2010 at 10:38 AM, Warren Weckesser
<warren.weckesser at enthought.com> wrote:
> Pauli Virtanen wrote:
>> Hi,
>>
>> I flushed the Python 3 branch containing work from me and David to SVN
>> trunk. Scipy now builds with Python 3, and all tests pass, except for
>> scipy.weave which still needs to be ported.
>>
>> More testing is welcome. I suspect Scipy's test suite does not cover all
>> of the code, so there might be some work left to do. You'll probably need
>> the latest 1.5.x branch Numpy to build, due to some fixes in Numpy's
>> distutils that are not in 1.5.0.
>>
>>
>
> Hey Pauli,
>
> I built numpy 1.5.x using "python setup.py build", and added the built
> lib directory to PYTHONPATH.  Is this sufficient to build scipy trunk?

No, you should never do that (numpy or otherwise). If you want an
usable package without installing it, you need the inplace build
option:

python setup.py build -i

And point your PYTHONPATH to the *source* directory, not the build
directory. This should work, and if it does not, it is a bug.

cheers,

David