Creating a new type with an extension module

[Sion Arrowsmith]

Is there any documentation anywhere on how to go about writing an
extension which implements a new type? The extending/embedding
tutorial give me, very quickly and painlessly, a module with
functions, but I could really do with them being object methods.
http://www.python.org/doc/current/api/newTypes.html is unhelpful
in the extreme -- do I have to resort to reading source?

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