Added wrapper for PyObject*

[SVN r12234]

src/converter/wrapper.cpp

@@ -12,12 +12,6 @@ namespace boost { namespace python { namespace converter {
 wrapper_base::wrapper_base(type_id_t type)
     : body(type)
 {
-    // static assertions for target<T>. These would go in a header,
-    // but Metrowerks only respects BOOST_STATIC_ASSERT if it is in an
-    // instantiated function
-#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
-#else
-#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION 
     registry::insert(*this);
 }
 
@@ -27,4 +21,21 @@ wrapper_base::~wrapper_base()
         registry::remove(*this);
 }
 
+namespace
+{
+  // This doesn't actually get called, but we need something to fill
+  // in the slot in the wrap<PyObject*> class.
+  struct identity_wrapper_t : wrapper<PyObject*>
+  {
+      PyObject* convert(PyObject* source) const
+      {
+          return source;
+      }
+  };
+
+  identity_wrapper_t identity_wrapper_object;
+}
+
+BOOST_PYTHON_DECL body& identity_wrapper = identity_wrapper_object;
+
 }}} // namespace boost::python::converter