[P|gridprovider] add make_gmsh_grid

python/dune/xt/grid/CMakeLists.txt

@@ -26,6 +26,7 @@ dune_pybindxi_add_module(_grid_functors_boundary_detector EXCLUDE_FROM_ALL funct
 dune_pybindxi_add_module(_grid_functors_interfaces EXCLUDE_FROM_ALL functors/interfaces.cc)
 # dune_pybindxi_add_module(_grid_functors_refinement EXCLUDE_FROM_ALL functors/refinement.cc)
 dune_pybindxi_add_module(_grid_gridprovider_cube EXCLUDE_FROM_ALL gridprovider/cube.cc)
+dune_pybindxi_add_module(_grid_gridprovider_gmsh EXCLUDE_FROM_ALL gridprovider/gmsh.cc)
 dune_pybindxi_add_module(_grid_intersection EXCLUDE_FROM_ALL intersection.cc)
 dune_pybindxi_add_module(_grid_gridprovider_provider EXCLUDE_FROM_ALL gridprovider/provider.cc)
 dune_pybindxi_add_module(_grid_traits EXCLUDE_FROM_ALL traits.cc)

python/dune/xt/grid/__init__.py

@@ -30,6 +30,7 @@ for mod_name in (
             '_grid_functors_interfaces',
             # '_grid_functors_refinement',
             '_grid_gridprovider_cube',
+            '_grid_gridprovider_gmsh',
             '_grid_gridprovider_provider',
             '_grid_intersection',
             '_grid_traits',

python/dune/xt/grid/gridprovider/gmsh.cc

+// This file is part of the dune-xt project:
+//   https://github.com/dune-community/dune-xt
+// Copyright 2009-2018 dune-xt developers and contributors. All rights reserved.
+// License: Dual licensed as BSD 2-Clause License (http://opensource.org/licenses/BSD-2-Clause)
+//      or  GPL-2.0+ (http://opensource.org/licenses/gpl-license)
+//          with "runtime exception" (http://www.dune-project.org/license.html)
+// Authors:
+//   Felix Schindler (2020)
+
+#include "config.h"
+
+#include <dune/pybindxi/pybind11.h>
+#include <dune/pybindxi/stl.h>
+
+#include <dune/xt/grid/gridprovider/gmsh.hh>
+
+#include <python/dune/xt/common/bindings.hh>
+#include <python/dune/xt/common/fvector.hh>
+#include <python/dune/xt/grid/traits.hh>
+
+using namespace Dune;
+using namespace Dune::XT::Grid::bindings;
+
+
+template <class G, class element_type>
+struct make_gmsh_grid
+{
+  static const constexpr size_t d = G::dimension;
+
+  static void bind(pybind11::module& m)
+  {
+    namespace py = pybind11;
+    using namespace pybind11::literals;
+
+    m.def("make_gmsh_grid",
+          [](const std::string& filename, const Dimension<d>&, const element_type&) {
+            return XT::Grid::make_gmsh_grid<G>(filename);
+          },
+          "filename"_a,
+          "dim"_a,
+          "element_type"_a);
+  } // ... bind(...)
+}; // struct make_gmsh_grid
+
+
+PYBIND11_MODULE(_grid_gridprovider_gmsh, m)
+{
+  namespace py = pybind11;
+
+  py::module::import("dune.xt.common");
+  py::module::import("dune.xt.grid._grid_gridprovider_provider");
+  py::module::import("dune.xt.grid._grid_traits");
+
+#if HAVE_DUNE_ALUGRID
+  make_gmsh_grid<ALU_2D_SIMPLEX_CONFORMING, Simplex>::bind(m);
+  make_gmsh_grid<ALU_2D_CUBE, Cube>::bind(m);
+  make_gmsh_grid<ALU_3D_SIMPLEX_CONFORMING, Simplex>::bind(m);
+  make_gmsh_grid<ALU_3D_CUBE, Cube>::bind(m);
+#endif
+}