Bug#1053314: Depends: python3-h5py-mpi without python3-h5py

[Nilesh Patra]

On Sun, 01 Oct 2023 15:25:43 +0200 Drew Parsons <dparsons at debian.org> wrote:
> Package: xmds2
> Version: 3.1.0+dfsg2-4
> Severity: serious
> Justification: debci
> 
> xmds2 Depends: python3-h5py-mpi without depending on python3-h5py
> 
> python3-h5py-mpi only provides the h5py._debian_h5py_mpi namespace,
> not h5py.  Hence tests using h5py without specifying _debian_h5py_mpi
> fail.  This is the case with h5py 3.9.0. (Marking Severity: serious due
> to debci failure)
> 
> python3-h5py provides the h5py namespace, so if xmds2 strictly needs
> the mpi build, but accessing via the generic h5py namespace, then the
> Depends should specify both packages
>   Depends: python3-h5py python3-h5py-mpi
>   
>   
> Note there seems to be an inconsistency in the xmds2 package
> configuration. It has MPI dependencies (python3-h5py-mpi, also
> mpi-default-dev, libfftw3-mpi-dev), but with respect to hdf5 it has
>  Depends: libhdf5-serial-dev
> Should that instead be
>  Depends: libhdf5-mpi-dev ?

Seems you're right, taking a brief look at it. I've CC'ed Rafael to further comment/upload a fix.

@Rafael, this seems to be the last blocker on h5py transition to testing, so prompt action would
be really cool!

Best,
Nilesh