sentimentAnalysis.py 文件源码

def getSentiment(tweet):
    sid = SentimentIntensityAnalyzer()
    tweet = cleanTweet(tweet)
    sent = 0.0
    count = 0
    sentList = tokenize.sent_tokenize(tweet)

    # Go through each sentence in tweet
    for sentence in sentList:
        count += 1
        ss = sid.polarity_scores(sentence)
        sent += ss['compound']  # Tally up the overall sentiment

    if count != 0:
        sent = float(sent / count)

    return sent

# Update the sentiment