fixed problem reported by Neal Becker; added a test case

[SVN r39223]

include/boost/python/to_python_value.hpp

@@ -106,7 +106,7 @@ struct object_manager_get_pytype<true>
     
       PyObject* operator()(argument_type) const;
 #ifndef BOOST_PYTHON_NO_PY_SIGNATURES
-      PyTypeObject const* get_pytype() const {return get_pytype((boost::type<T>*)0);}
+      PyTypeObject const* get_pytype() const {return get_pytype((boost::type<argument_type>*)0);}
 #endif 
       // This information helps make_getter() decide whether to try to
       // return an internal reference or not. I don't like it much,
@@ -114,6 +114,8 @@ struct object_manager_get_pytype<true>
       BOOST_STATIC_CONSTANT(bool, uses_registry = false);
   private:
 #ifndef BOOST_PYTHON_NO_PY_SIGNATURES
+      template <class U>
+      PyTypeObject const* get_pytype(boost::type<shared_ptr<U> &> *) const {return converter::registered<U>::converters.to_python_target_type();}
       template <class U>
       PyTypeObject const* get_pytype(boost::type<const shared_ptr<U> &> *) const {return converter::registered<U>::converters.to_python_target_type();}
 #endif

test/shared_ptr.cpp

@@ -43,6 +43,7 @@ struct functions
     }
 
     static shared_ptr<T> get() { return storage; }
+    static shared_ptr<T> &get1() { return storage; }
         
     static int look_store()
     {
@@ -71,6 +72,8 @@ struct functions
             .staticmethod("identity")
             .def("null", &null)
             .staticmethod("null")
+            .def("get1", &get1, return_internal_reference<>())
+            .staticmethod("get1")
             .def("get", &get)
             .staticmethod("get")
             .def("count", &T::count)
@@ -154,6 +157,14 @@ shared_ptr<Y> factory(int n)
 
 // ------
 
+// from Neal Becker
+
+struct Test {
+  boost::shared_ptr<X> x;
+};
+// ------
+
+
 BOOST_PYTHON_MODULE(shared_ptr_ext)
 {
     class_<A, boost::shared_ptr<A_Wrapper>, boost::noncopyable>("A")
@@ -193,6 +204,12 @@ BOOST_PYTHON_MODULE(shared_ptr_ext)
             .def("value", &Z::value)
             .def("v", &Z::v, &ZWrap::default_v)
         );
+
+// from Neal Becker
+    class_<Test> ("Test")
+       .def_readonly ("x", &Test::x, "x") 
+       ;
+// ------
 }
 
 #include "module_tail.cpp"