[petsc-users] Building petsc4py / mpi4py

[Matthew Knepley]

On Mon, Jan 23, 2017 at 6:38 AM, Florian Lindner <mailinglists at xgm.de>
wrote:

> Hello,
>
> I try to build petsc from the maint branch together with petsc4py and
> mpi4py
>
> python2 configure --download-petsc4py=yes --download-mpi4py=yes
> --with-mpi4py=yes --with-petsc4py=yes --with-debugging=1
> make
>
> works without errors, so does make test.
>
> % echo $PYTHONPATH
> /home/florian/software/petsc/arch-linux2-c-debug/lib
>
> % ls $PYTHONPATH
> libpetsc.so  libpetsc.so.3.7  libpetsc.so.3.7.5  mpi4py
> mpi4py-1.3.1-py3.6.egg-info  petsc  petsc4py
> petsc4py-3.7.0-py3.6.egg-info  pkgconfig
>
>
> but:
>
> % python2 RBF_Load.py
> Traceback (most recent call last):
>   File "RBF_Load.py", line 10, in <module>
>     petsc4py.init(sys.argv)
>   File "/home/florian/software/petsc/arch-linux2-c-debug/lib/petsc4py/__init__.py",
> line 42, in init
>     PETSc = petsc4py.lib.ImportPETSc(arch)
>   File "/home/florian/software/petsc/arch-linux2-c-debug/lib/petsc4py/lib/__init__.py",
> line 29, in ImportPETSc
>     return Import('petsc4py', 'PETSc', path, arch)
>   File "/home/florian/software/petsc/arch-linux2-c-debug/lib/petsc4py/lib/__init__.py",
> line 63, in Import
>     fo, fn, stuff = imp.find_module(name, pathlist)
> ImportError: No module named PETSc
>
>
> Anyone having an idea what could be the problem here?
>

Is your PETSC_ARCH correct?

  Matt


> I have also attached the configure.log
>
> Best,
> Florian
>



-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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