Re: [Cython3 need help] Re: mass rebuild for opencv 4.8.0 with soname bump on rawhide

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On Mon, Aug 7, 2023 at 7:08 PM Jerry James <loganjerry@xxxxxxxxx> wrote:
>
> On Mon, Aug 7, 2023 at 5:02 PM Sérgio Basto <sergio@xxxxxxxxxx> wrote:
> > Error compiling Cython file:
> > ------------------------------------------------------------
> > ...
> > def set_depth_callback(DevPtr dev, cb):
> >     global _depth_cb
> >     if cb is not None:
> >         _depth_cb = cb
> >         freenect_set_depth_callback(dev._ptr, depth_cb)
> >                                               ^
> > ------------------------------------------------------------
> > /builddir/build/BUILD/libfreenect-
> > 0.7.0/wrappers/python/freenect.pyx:351:46: Cannot assign type 'void
> > (freenect_device *, void *, uint32_t) except * nogil' to
> > 'freenect_depth_cb'
>
> You probably have to patch that declaration to add "noexcept".  See
> https://src.fedoraproject.org/rpms/python-pari-jupyter/blob/rawhide/f/python-pari-jupyter-cython3.patch
> for an example.  If that is the issue, see
> https://cython.readthedocs.io/en/latest/src/userguide/migrating_to_cy30.html#exception-values-and-noexcept
> for more information.

Thanks for the pointer.  I pushed a patch that should resolve the
build failure, feel free to rebuild against OpenCV 4.8

Rich
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