reading.py 文件源码

def most_frequent_terms(self, fieldname, number=5, prefix=''):
        """Returns the top 'number' most frequent terms in the given field as a
        list of (frequency, text) tuples.
        """

        gen = ((terminfo.weight(), text) for text, terminfo
               in self.iter_prefix(fieldname, prefix))
        return nlargest(number, gen)