def prev(current_Articel): articles = getArticles() older_articles = [] for article in articles: if article.pubDate < current_Articel.pubDate: older_articles.append(article) if older_articles == []: return False #return False else: prev = older_articles[0] for article in older_articles: if article.pubDate > prev.pubDate: prev = article return prev
def next(current_Articel): articles = getArticles() newer_articles = [] for article in articles: if article.pubDate > current_Articel.pubDate: newer_articles.append(article) if newer_articles == []: return False #return False else: next = newer_articles[0] for article in newer_articles: if article.pubDate < next.pubDate: next = article return next