Re: cython 3.x (for Python 3.12)
On Sun, Dec 10, 2023 at 08:12:40PM +0000, Julian Gilbey wrote:
> On Sat, Nov 25, 2023 at 04:23:46PM +0000, Stefano Rivera wrote:
> > As part of preparing for Python 3.12 in Debian, I've uploaded cython 3
> > to experimental.
> > [...]
> >
> > So, that's 71 regressions with cython3. dd-list below. Please help us
> > port to cython 3. If this isn't possible, Graham is preparing a
> > cython-legacy package, to help the stragglers. But we're expecting that
> > this won't have great Python 3.12 support...
> > https://ftp-master.debian.org/new/cython-legacy_0.29.36-1~exp1.html
>
> I find that there's also a significant issue with relying on
> cython3-legacy: it conflicts with cython3, meaning that it will be
> impossible to simultaneously install packages depending on cython3 and
> cython3-legacy. Once cython 3.x moves from experimental to unstable
> to testing and packages start depending on it, this will become a
> significant issue. I assume that the aim will be for everything to be
> ported to cython 3.x and for cython3-legacy to be dropped from testing
> before the trixie freeze?
I wonder how many packages actually need a runtime dep on cython. I
quickly checked three packages from `reverse-depends cython3` and while
python3-pysph probably uses cython to generate code at the run time (not
sure), python3-pyzoltan seems to only use it at the build time and
python3-epimodels doesn't seem to use it at all.
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