str, dict, and tuple!

[SVN r14517]

src/tuple.cpp

@@ -0,0 +1,20 @@
+#include <boost/python/tuple.hpp>
+
+namespace boost { namespace python {
+
+BOOST_PYTHON_DECL detail::new_reference tuple::call(object const& arg)
+{
+    return (detail::new_reference)PyObject_CallFunction(
+        (PyObject*)&PyTuple_Type, "(O)", 
+        arg.ptr());
+}
+    
+BOOST_PYTHON_DECL tuple::tuple()
+    : object(detail::new_reference(PyTuple_New(0)))
+{}
+    
+BOOST_PYTHON_DECL tuple::tuple(object_cref sequence)
+    : object(tuple::call(sequence))
+{}
+
+}}  // namespace boost::python