'Returns articles given the url of a feed'

def feeds_to_articles(self):

    articles = []
    for feed in self.feeds:
        urls = self.extractor.get_urls(feed.rss, regex=True)
        cur_articles = []
        before_purge = len(urls)
        for url in urls:
            article = Article(url=url, source_url=self.url, config=self.config)
            cur_articles.append(article)
        cur_articles = self.purge_articles('url', cur_articles)
        after_purge = len(cur_articles)
        if self.config.memoize_articles:
            cur_articles = utils.memoize_articles(self, cur_articles)
        after_memo = len(cur_articles)
        articles.extend(cur_articles)
        if self.config.verbose:
            print ('%d->%d->%d    for    %s' % (before_purge, after_purge, after_memo, feed.url))
        log.debug(('%d->%d->%d    for    %s' % (before_purge, after_purge, after_memo, feed.url)))
    return articles
