Re: [gentoo-user] ebuild : how to check for python version

[Mike Gilbert]

On Tue, Aug 11, 2020 at 9:38 AM Helmut Jarausch <jarausch@××××××.be> wrote:
>
> On 08/11/2020 03:08:16 PM, Mike Gilbert wrote:
> > On Sun, Aug 2, 2020 at 10:47 AM Helmut Jarausch
> > <_ j_ a_ r_ a_ u_ s_ c_ h_ @_ s_ k_ y_ n_ e_ t_ ._ b_ e> wrote:
> >      Hi,
> >      in an ebuild I have to apply a patch only if this package is
> >      installed
> >      for python3.9.
> >      The ebuild should work for PYTHON_COMPAT=( python3_{8,9} )
> >
> >      How can I check for Pythons version in src_prepare or similar
> >      functions.
> >
> >      Many thanks for a hint,
> >      Helmut
> >
> > I would suggest creating a patch that can be applied unconditionally
> > instead.
> >
>
> That would imply different function definitions within an 'if / else'
> clause.
> I don't like this.
>

What will you do when someone wants/needs to install it for both
python3.8 and python3.9 simultaneously?

If you want to support both versions, it's better to have code that
actually works with both of them.