util.py 文件源码

def demo_vader_instance(text):
    """
    Output polarity scores for a text using Vader approach.

    :param text: a text whose polarity has to be evaluated.
    """
    from nltk.sentiment import SentimentIntensityAnalyzer
    vader_analyzer = SentimentIntensityAnalyzer()
    print(vader_analyzer.polarity_scores(text))