see https://git.iws.uni-stuttgart.de/dumux-repositories/dumux/-/tree/master/python <https://git.iws.uni-stuttgart.de/dumux-repositories/dumux/-/tree/master/python> on how to set up your environment (might change with updates in Dune coming soon)
> On 9. Sep 2021, at 15:19, Timo Koch <koch_t...@hotmail.com> wrote: > > Hi together, > > also just to add this in case someone it interested. There also has been some > more work lately on using Dumux from Python via pybind11 bindings. > Some first full application (1p test) can be found here: > https://git.iws.uni-stuttgart.de/dumux-repositories/dumux/-/blob/master/test/python/test_1p.py > > <https://git.iws.uni-stuttgart.de/dumux-repositories/dumux/-/blob/master/test/python/test_1p.py> > We haven’t announced this properly yet because it’s still in it’s infancy, > and more classes need wrappers and some issues are still not solved. > > Timo > > >> On 9. Sep 2021, at 15:12, Timo Koch <koch_t...@hotmail.com >> <mailto:koch_t...@hotmail.com>> wrote: >> >> Big advantage of pybind11 is also that is does automatic type conversion for >> you between Python and C++, >> so you can easily convert between C++ std::vector and Python’s list etc... >> >>> On 9. Sep 2021, at 15:03, Timo Koch <koch_t...@hotmail.com >>> <mailto:koch_t...@hotmail.com>> wrote: >>> >>> Hi Leo, >>> >>> I would definitely look into this with pybind11 which reads very nice on >>> the C++ side too. There are some instructions at the end here >>> dune-project.org/doc/pythonbindings >>> <http://dune-project.org/doc/pythonbindings> and in >>> dune-common/dune/python/test/ you also find two small examples for embedded >>> Python. We also have some testing code with a fluid system using embedded >>> Python on the branch “feature/python-fluidsystem” in dumux (MR !2001). >>> >>> And of course some test for dumux is also welcome. >>> >>> Timo >>> >>>> 9. sep. 2021 kl. 13:36 skrev leopold.stad...@baw.de >>>> <mailto:leopold.stad...@baw.de>: >>>> >>>> >>>> Hi Bernd, >>>> >>>> thank you for this nice example. I've used embedded Python 10 years ago. >>>> My code was much less elegant and so I thought that one has to do this >>>> nowadays with Pybind11. However, looking into your example it looks like >>>> the Python/C API does also the job. For me it helps a lot to see how the >>>> Python interpreter is initialized and finalized in problem.hh and how data >>>> is converted. >>>> >>>> Actually I need a simple Python function for the source term so there are >>>> just a few parameters which have to be passed between C++ and Python. >>>> >>>> Best regards, >>>> >>>> Leo >>>> >>>>> Flemisch, Bernd <bernd.flemi...@iws.uni-stuttgart.de >>>>> <mailto:bernd.flemi...@iws.uni-stuttgart.de>> hat am 09.09.2021 12:27 >>>>> geschrieben: >>>>> >>>>> >>>>> Hi Leo, >>>>> >>>>> >>>>> >>>>> we're doing this here: >>>>> >>>>> https://git.iws.uni-stuttgart.de/dumux-appl/dumux-turing/-/tree/master/test/stochastic >>>>> >>>>> <https://git.iws.uni-stuttgart.de/dumux-appl/dumux-turing/-/tree/master/test/stochastic> >>>>> I needed the python3-dev package and had to run the executable with >>>>> >>>>> PYTHONPATH=. ./test_stochastic >>>>> >>>>> >>>>> >>>>> >>>>> Kind regards >>>>> >>>>> Bernd >>>>> >>>>> <https://git.iws.uni-stuttgart.de/dumux-appl/dumux-turing/-/tree/master/test/stochastic> >>>>> >>>>> -- >>>>> _________________________________________________________________ >>>>> >>>>> Bernd Flemisch >>>>> IWS, Universität Stuttgart phone: +49 711 685 69162 >>>>> Pfaffenwaldring 61 email: be...@iws.uni-stuttgart.de >>>>> <mailto:be...@iws.uni-stuttgart.de> >>>>> D-70569 Stuttgart url: www.iws.uni-stuttgart.de/en/lh2/ >>>>> <http://www.iws.uni-stuttgart.de/en/lh2/> >>>>> _________________________________________________________________ >>>>> Von: DuMux <dumux-boun...@listserv.uni-stuttgart.de >>>>> <mailto:dumux-boun...@listserv.uni-stuttgart.de>> im Auftrag von >>>>> leopold.stad...@baw.de <mailto:leopold.stad...@baw.de> >>>>> <leopold.stad...@baw.de <mailto:leopold.stad...@baw.de>> >>>>> Gesendet: Donnerstag, 9. September 2021 11:58:04 >>>>> An: dumux@listserv.uni-stuttgart.de >>>>> <mailto:dumux@listserv.uni-stuttgart.de> >>>>> Betreff: [DuMux] Using Embedded Python in DuMux >>>>> >>>>> Dear DuMux developers and users, >>>>> >>>>> I'm interested to call Python from a DuMux application (embedded Python). >>>>> Has anyone tried this before with DuMux? I'm also interested to use >>>>> embedded Python in a parallel application in combination with MPI4py. >>>>> >>>>> Maybe it is a good idea if I open an issue in gitlab and try to add a >>>>> small test (dumux/test/python) to check if/how embedded Python works. >>>>> >>>>> Best regards, >>>>> >>>>> Leo >>>>> >>>>> Im Auftrag >>>>> >>>>> Dr.-Ing. Leopold Stadler >>>>> >>>>> -- >>>>> Referat Numerische Verfahren im Wasserbau >>>>> Abteilung Wasserbau im Binnenbereich >>>>> >>>>> Bundesanstalt für Wasserbau >>>>> Federal Waterways Engineering and Research Institute >>>>> Kußmaulstraße 17 | 76187 Karlsruhe >>>>> >>>>> https://www.baw.de <https://www.baw.de/> >>>>> >>>>> >>>>> _______________________________________________ >>>>> DuMux mailing list >>>>> DuMux@listserv.uni-stuttgart.de <mailto:DuMux@listserv.uni-stuttgart.de> >>>>> https://listserv.uni-stuttgart.de/mailman/listinfo/dumux >>>>> <https://listserv.uni-stuttgart.de/mailman/listinfo/dumux> >>>> >>>> Im Auftrag >>>> >>>> Dr.-Ing. Leopold Stadler >>>> >>>> -- >>>> Referat Numerische Verfahren im Wasserbau >>>> Abteilung Wasserbau im Binnenbereich >>>> >>>> Bundesanstalt für Wasserbau >>>> Federal Waterways Engineering and Research Institute >>>> Kußmaulstraße 17 | 76187 Karlsruhe >>>> >>>> >>>> https://www.baw.de <https://www.baw.de/> >>>> >>>> >>>> _______________________________________________ >>>> DuMux mailing list >>>> DuMux@listserv.uni-stuttgart.de <mailto:DuMux@listserv.uni-stuttgart.de> >>>> https://listserv.uni-stuttgart.de/mailman/listinfo/dumux >>>> <https://listserv.uni-stuttgart.de/mailman/listinfo/dumux> >>> _______________________________________________ >>> DuMux mailing list >>> DuMux@listserv.uni-stuttgart.de <mailto:DuMux@listserv.uni-stuttgart.de> >>> https://listserv.uni-stuttgart.de/mailman/listinfo/dumux >>> <https://listserv.uni-stuttgart.de/mailman/listinfo/dumux> >> >> _______________________________________________ >> DuMux mailing list >> DuMux@listserv.uni-stuttgart.de <mailto:DuMux@listserv.uni-stuttgart.de> >> https://listserv.uni-stuttgart.de/mailman/listinfo/dumux >
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