Re: Embedded Python and C Callback functions

From	dieter <dieter@handshake.de>
Subject	Re: Embedded Python and C Callback functions
Date	2015-06-08 07:44 +0200
References	<daad7377-7a61-4e9e-a442-4ba48f7212b2@googlegroups.com> <mailman.229.1433656976.13271.python-list@python.org> <3726dccc-76cb-45a2-b0a8-e41ef300be96@googlegroups.com>
Newsgroups	comp.lang.python
Message-ID	<mailman.290.1433742309.13271.python-list@python.org> (permalink)

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doc.mefisto@gmail.com writes:

> I'm trying to debug and find my error. It goes wrong when:
>  PyObject *v;
>             v = va_arg(*p_va, PyObject *);
>             if (v != NULL) {
>                 if (*(*p_format - 1) != 'N')
>                     Py_INCREF(v);
>             }
>
> it tries to PyINCREF to my passed callback.

This indicates that it expects the "callback" to be a Python object.

Check the C-API specification. It should tell you which parameters
are expected to be Python objects and which C objects.

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Embedded Python and C Callback functions doc.mefisto@gmail.com - 2015-06-06 11:09 -0700
  Re: Embedded Python and C Callback functions dieter <dieter@handshake.de> - 2015-06-07 08:02 +0200
    Re: Embedded Python and C Callback functions doc.mefisto@gmail.com - 2015-06-07 01:37 -0700
    Re: Embedded Python and C Callback functions doc.mefisto@gmail.com - 2015-06-07 01:56 -0700
      Re: Embedded Python and C Callback functions Laura Creighton <lac@openend.se> - 2015-06-07 11:49 +0200
        Re: Embedded Python and C Callback functions doc.mefisto@gmail.com - 2015-06-07 02:51 -0700
      Re: Embedded Python and C Callback functions Stefan Behnel <stefan_ml@behnel.de> - 2015-06-07 22:32 +0200
    Re: Embedded Python and C Callback functions doc.mefisto@gmail.com - 2015-06-07 02:15 -0700
      Re: Embedded Python and C Callback functions dieter <dieter@handshake.de> - 2015-06-08 07:44 +0200

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