Re: Problem building python3-flit_scm for use with borgbackup

[Michael Tremer <michael.tremer@ipfire.org>]

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Hello Adolf,

Another day with another interesting problem that you are bringing us :)

Did you try to run “python3 -m build” in the source directory of exceptiongroup and flit-scm?

That inspiration is coming from here:

  https://github.com/archlinux/svntogit-community/blob/packages/python-exceptiongroup/trunk/PKGBUILD

I am not sure whether we have the build and installer module.

Best,
-Michael

> On 1 May 2023, at 17:52, Adolf Belka <adolf.belka(a)ipfire.org> wrote:
> 
> Hi All,
> 
> I have figured out why the fuse mount stopped working with borgbackup in Core Update 173. (Bug#13076)
> 
> 
> python3-trio was updated when python was updated to 3.10.8 and python3-trio is required by python3-pyfuse3. However the python3-trio update also added a new dependency - python3-exceptiongroup which then requires python3-flit_scm for the build of python3-exceptiongroup.
> 
> 
> Both python3-exceptiongroup and python3-flit_scm use pyproject.toml, however python3-pyproject2setuppy fails with trying to build python3-flit_scm as it does not understand the backend definition in the pyproject.toml file.
> 
> The error message is :-
> 
>     File "/usr/lib/python3.10/site-packages/pyproject2setuppy/__main__.py", line 50, in main
>     raise NotImplementedError(
>     NotImplementedError: Build backend flit_scm:buildapi unknown
> 
> 
> pyproject2setuppy is now marked as DEFUNCT due to the number of special cases in the pyproject.toml file that needed lots of work each time to update pyproject2setuppy to work again.
> 
> 
> Does anyone have any idea how I should build flit_scm and exceptiongroup without using pyproject2setuppy.
> 
> I have done some searching but could not find anything that I could either understand or that did not require internet access to download all required dependencies.
> 
> 
> Regards,
> 
> Adolf.
>