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List:       python-cpp-sig
Subject:    [C++-sig] Re: C++ object from PyObject pointer
From:       c++-sig () python ! org (David Abrahams)
Date:       2003-02-24 22:03:23
Message-ID: uptphgwus.fsf () boost-consulting ! com
[Download RAW message or body]

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

"mghiggins <mghiggins@yahoo.com>" <mghiggins@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



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