Value.to_sequence returns a valid Python sequence

src/py_value.cc

@@ -327,6 +327,10 @@ void export_value()
     .def("basetype", py_base_type)
     ;
 
+  class_< value_t::sequence_t > ("ValueSequence")
+    .def(vector_indexing_suite< value_t::sequence_t >());
+    ;
+
   scope().attr("NULL_VALUE")    = NULL_VALUE;
   scope().attr("string_value")  = &string_value;
   scope().attr("mask_value")	= &mask_value;

src/system.hh.in

@@ -249,6 +249,7 @@ void serialize(Archive& ar, istream_pos_type& pos, const unsigned int)
 #include <unicodeobject.h>
 
 #include <boost/python/module_init.hpp>
+#include <boost/python/suite/indexing/vector_indexing_suite.hpp>
 
 #endif // HAVE_BOOST_PYTHON