[Numpy-discussion] [SciPy-user] Managing Python with NumPy and many external libraries on multiple Windows machines
Charles R Harris
Tue Apr 28 16:16:25 CDT 2009
2009/4/28 Stéfan van der Walt <email@example.com>
> 2009/4/28 Charles R Harris <firstname.lastname@example.org>:
> > It is needed when the extension is loaded, that is why the very first
> > function in the API returns it. Otherwise it is impossible to check if
> > extensions compiled against one version of numpy can be loaded when
> > version of numpy is present. You need to know what API numpy presents and
> > that can be different than the API the extension was compiled against.
> Right, I phrased myself incorrectly. NPY_VERSION is checked at
> runtime to make sure modules compiled against a different ABI are not
> imported. These defines used to be closer to the top of the header
> file, but now a lot of other stuff has been added. Maybe it would be
> good to include this as a separate header file, npy_version.h or
> IIRC, we can expose NPY_FEATURE_VERSION as part of the API without
> breaking ABI compatibility, as long as we add it at the end of the API
> functions list. As a hack, we can then check the length of the API
> functions list to make sure it is available before we call it.
Why bother when you can combine it with NPY_VERSION and use the existing
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