-%feature("director") gr_feval_dd;
-%feature("director") gr_feval_cc;
-%feature("director") gr_feval_ll;
+%feature("director") gr_py_feval_dd;
+%feature("director") gr_py_feval_cc;
+%feature("director") gr_py_feval_ll;
+%feature("director") gr_py_feval;
+
+%feature("nodirector") gr_py_feval_dd::calleval;
+%feature("nodirector") gr_py_feval_cc::calleval;
+%feature("nodirector") gr_py_feval_ll::calleval;
+%feature("nodirector") gr_py_feval::calleval;
+
+
+%rename(feval_dd) gr_py_feval_dd;
+%rename(feval_cc) gr_py_feval_cc;
+%rename(feval_ll) gr_py_feval_ll;
+%rename(feval) gr_py_feval;
+
+//%exception {
+// try { $action }
+// catch (Swig::DirectorException &e) { std::cerr << e.getMessage(); SWIG_fail; }
+//}
+
+%{
+
+// class that ensures we acquire and release the Python GIL
+
+class ensure_py_gil_state {
+ PyGILState_STATE d_gstate;
+public:
+ ensure_py_gil_state() { d_gstate = PyGILState_Ensure(); }
+ ~ensure_py_gil_state() { PyGILState_Release(d_gstate); }
+};