Re: cython 3.x (for Python 3.12)

[Julian Gilbey <jdg@debian.org>]

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?

Best wishes,

   Julian