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From: Robert Kern <robert.kern@gmail.com>
Subject: Re: Pickling extension types
Date: Tue, 03 May 2011 12:10:23 -0500
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On 5/3/11 11:48 AM, Stefan Kuzminski wrote:
> Hi all,
>
> I have an extension type written in C, but I cannot get it to pickle, any
> insights would be greatly appreciated.
>
> I see in the docs that I should define a __reduce__ method and that does get
> called, but I don't know specifically the type of the 'callable object' that
> should be the first thing in the tuple returned by __reduce__.

It should be a callable PyObject* that takes the arguments given in the rest of 
the tuple. Often, this is just the type itself. So probably 
(PyObject*)PyMV_Type, if you give the right arguments in the rest of the tuple.

-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
  that is made terrible by our own mad attempt to interpret it as though it had
  an underlying truth."
   -- Umberto Eco