news_streamer-2.py 文件源码

def __init__(self): 
        self.tokenizer = RegexpTokenizer(r'[a-zA-Z_]+')
        #self.p_stem = PorterStemmer()
        self.p_stem = SnowballStemmer("english")
        self.news_sources ={"News": ["http://timesofindia.indiatimes.com/rssfeeds/5880659.cms", "http://www.economist.com/sections/science-technology/rss.xml"]}