The presentation I held on Wikimania last summer (http://wikimania2012.wikimedia.org/wiki/Submissions/Efficient_and_flexible_text_manipulation,_spelling_correction_and_page_collections_with_Pywikibot) is now downloadable from Hungarian chapter's wiki.
See http://meta.wikimedia.org/wiki/User:Bin%C3%A1ris#Wikimania_2012 for link and sample pages.

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Bináris