prepare for PyCXX 7.0

src/Base/PyObjectBase.h

@@ -51,6 +51,11 @@
 
 #include <typeinfo>
 #include "Exception.h"
+#if PY_MAJOR_VERSION > 2
+#  ifndef PYCXX_PYTHON_2TO3
+#  define PYCXX_PYTHON_2TO3
+#  endif
+#endif
 #include <CXX/Objects.hxx>
 
 

src/Base/Sequencer.cpp

@@ -367,7 +367,7 @@ Py::Object ProgressIndicatorPy::next(const Py::Tuple& args)
         }
         catch (const Base::AbortException&) {
             _seq.reset();
-            throw Py::Exception("abort progress indicator");
+            throw Py::RuntimeError("abort progress indicator");
         }
     }
     return Py::None();

src/Base/VectorPyImp.cpp

@@ -613,7 +613,7 @@ void  VectorPy::setLength(Py::Float arg)
     VectorPy::PointerType ptr = reinterpret_cast<VectorPy::PointerType>(_pcTwinPointer);
     double len = ptr->Length();
     if (len < 1.0e-6) {
-        throw Py::Exception(std::string("Cannot set length of null vector"));
+        throw Py::RuntimeError(std::string("Cannot set length of null vector"));
     }
 
     double val = (double)arg/len;