Manual de usuario de calibre, Publicación 2.73.0
# Call parent's method.
feeds = BasicNewsRecipe.parse_feeds(self)
# Loop through all feeds.
for feed in feeds:
# Loop through all articles in feed.
for article in feed.articles[:]:
# Match key words and remove article if there's a match.
# Most BBC rss feed video only 'articles' use upper case 'VIDEO'
# as a title prefix. Just match upper case 'VIDEO', so that
# articles like 'Video game banned' won't be matched and
# removed.
if 'VIDEO' in article.title:
feed.articles.remove(article)
# Most BBC rss feed audio only 'articles' use upper case 'AUDIO'
# as a title prefix. Just match upper case 'AUDIO', so that
# articles like 'Hi-Def audio...' won't be matched and removed.
elif 'AUDIO' in article.title:
feed.articles.remove(article)
# Most BBC rss feed