query_revisions_by_titles.py

def query_revisions_by_titles(titles, batch=50, **params):

    titles_iter = iter(titles)
    while True:
        batch_titles = list(islice(titles_iter, 0, batch))
        if len(batch_titles) == 0:
            break
        else:
            doc = session.get(action='query', prop='revisions',
                              titles=batch_titles, **params)

            for page_doc in doc['query']['pages']:
                page_meta = {k: v for k, v in page_doc.items()
                             if k != 'revisions'}
                if 'revisions' in page_doc:
                    for revision_doc in page_doc['revisions']:
                        revision_doc['page'] = page_meta
                        yield revision_doc