[C++-sig] Re: C++ object from PyObject pointer

[David Abrahams]

The following message is a courtesy copy of an article
that has been posted to gmane.comp.lib.boost.user as well.

"mghiggins <mghiggins at yahoo.com>" <mghiggins at yahoo.com> writes:

> Excuse my newbiness if this question is too dumb... :)
>
> I've built a python extension from a C++ class using boost - it all
> seems to work fine.
>
> However, now another C++ function is receiving a pointer to a PyObject
> that represents an instance of this "boosted" python class. How do I
> pick off a pointer to the underlying C++ object from the PyObject
> pointer?

Boost.Python questions to the c++-sig, please!

  http://www.python.org/sigs/c++-sig/

Your answer:

  void f(PyObject* p)
  {
     handle<> ph(borrowed(p));
     MyObj* op = extract<MyObj*>(object(ph));
  }

HTH,
Dave

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com