ModuleScope for Python modules added

libsrc/general/ngpython.hpp

@@ -2,11 +2,35 @@
 
 #include <boost/python.hpp>
 namespace bp = boost::python;
-
+#include <iostream>
 
 namespace netgen
 {
 
+	class ModuleScope  {
+		bp::scope *local_scope;
+	public:
+		ModuleScope(const std::string name) : local_scope(nullptr) {
+			std::string nested_name = name;
+			if (bp::scope())
+				nested_name = bp::extract<std::string>(bp::scope().attr("__name__") + "." + name);
+
+			bp::object module(bp::handle<>(bp::borrowed(PyImport_AddModule(nested_name.c_str()))));
+
+			std::cout << "exporting " << nested_name << std::endl;
+			bp::object parent = bp::scope() ? bp::scope() : bp::import("__main__");
+			parent.attr(name.c_str()) = module;
+
+			local_scope = new bp::scope(module);
+		}
+
+		~ModuleScope() {
+			if (local_scope)
+				delete (local_scope);
+		}
+		
+	};
+
   //////////////////////////////////////////////////////////////////////
   // Lambda to function pointer conversion
   template <typename Function>