Hi,
bp::object static_instance()
{
static bp::object* result = new bp::object(boost::ref(A::static_a));
return *result;
}
Instead of exposing a function static_instance in your module, you can
alternatively add a variable to your module's scope:
scope sc;
sc.attr("static_a") = boost::ref(A::static_a); //no copy here
regards
2013/1/16 Michael Wild <them...@users.sourceforge.net>:
> Dear all
>
> I struggle to find a way in which I can wrap a static instance in a
> bp::object without copying it. The goal is to have object identity for
> this static instance:
>
> struct A {
> /*...*/
> static A static_a;
> };
>
> a A::a;
>
> bp::object static_instance()
> {
> static bp::object* result = new bp::object(A::static_a); // [1]
> return *result;
> }
>
> Wrapping A and static_instance with Boost.Python is no problem, and
> everything works as expected, however the A::static_a that is being
> passed to bp::object() at [1] is being copied, which defeats the whole
> purpose.
>
> Anybody has an idea how achieve this? Thanks!
>
> Cheers
>
> Michael
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