May be this helps http://blip.tv/pycon-us-videos-2009-2010-2011/pycon-2010-python-metaprogramming-64-3280779 http://blip.tv/pycon-us-videos-2009-2010-2011/pycon

May be this helps http://blip.tv/pycon-us-videos-2009-2010-2011/pycon-2010-python-metaprogramming-64-3280779 http://blip.tv/pycon-us-videos-2009-2010-2011/pycon-2010-pyt...