[py] fix boundaryinfo available for multiple types

python/dune/xt/grid/boundaryinfo.bindings.hh

@@ -43,18 +43,20 @@ public:
   static void bind(pybind11::module& m)
   {
     using namespace pybind11::literals;
+    const auto gridname = XT::Grid::bindings::grid_name<typename GP::GridType>::value();
 
     try { // guard since we might not be the first to do so for this grid/intersection
-      m.def(std::string("available_boundary_infos_on_" + layer_names[layer] + "_layer").c_str(),
+      std::string postfix{layer_names[layer] + "_layer_" + gridname};
+      m.def((std::string("available_boundary_infos_on_") + postfix) .c_str(),
             [](const GP& /*grid_provider*/) { return XT::Grid::BoundaryInfoFactory<I>::available(); },
             "grid_provider"_a);
-      m.def(std::string("default_boundary_info_config_on_" + layer_names[layer] + "_layer").c_str(),
+      m.def((std::string("default_boundary_info_config_on_")+ postfix) .c_str(),
             [](const GP& /*grid_provider*/, const std::string& type) {
               return XT::Grid::BoundaryInfoFactory<I>::default_config(type);
             },
             "grid_provider"_a,
             "type"_a);
-      m.def(std::string("make_boundary_info_on_" + layer_names[layer] + "_layer").c_str(),
+      m.def((std::string("make_boundary_info_on_")+ postfix) .c_str(),
             [](const GP& /*grid_provider*/, const Common::Configuration& cfg) {
               return XT::Grid::BoundaryInfoFactory<I>::create(cfg).release();
             },

python/dune/xt/grid/boundaryinfo.py

@@ -17,3 +17,22 @@ except ImportError as e:
     if os.environ.get('DXT_PYTHON_DEBUG', False):
         raise e
     logging.error('dune-xt-grid bindings not available')
+
+
+def _meta_boundary(name, grid_provider, config):
+    for factory in [globals()[s] for s in globals().keys() if s.startswith(name)]:
+        try:
+            return factory(grid_provider, config)
+        except:
+            continue
+    raise TypeError('no matching {} for boundaryinfo {}'.format(name, grid_provider.__class__))
+
+
+def make_boundary_info_on_dd_subdomain_boundary_layer(grid_provider, config):
+    return _meta_boundary('make_boundary_info_on_dd_subdomain_boundary_layer', grid_provider, config)
+
+def make_boundary_info_on_dd_subdomain_layer(grid_provider, config):
+    return _meta_boundary('make_boundary_info_on_dd_subdomain_layer', grid_provider, config)
+
+def make_boundary_info_on_leaf_layer(grid_provider, config):
+    return _meta_boundary('make_boundary_info_on_leaf_layer', grid_provider, config)
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