Proper (2.5 svn) way of writing an extension?

So I'm a bit confused on how to get started here, unfortunately -- the
wiki seems to still be stuck in a pre-2.5 world, so is the best way to
start writing a module (given the current jython svn trunk):

Do I use the annotations as described here: 

http://wiki.python.org/jython/PythonTypesInJava

Or, per http://wiki.python.org/jython/JythonModulesInJava

- write a "POJO" (which I assume means Plain Old Java Object)
- vs a subclass of PyObject (which gives me keyword args, i think)

What is the standard way that jython has been implementing/migrating
existing standard library c modules? What would people recommend? 

Thanks, 
		...Eric

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