中文文本提取关键词、关键词组、关键句(textrank4zh使用)--python学习

textrank学习链接

#-*- encoding:utf-8 -*-
from  textrank4zh import TextRank4Keyword,TextRank4Sentence
import codecs

file = r"C:UsersAdministratorDesktop2.txt"
text = codecs.open(file,"r","utf-8").read()

word = TextRank4Keyword()

word.analyze(text,window = 2,lower = True)
w_list = word.get_keywords(num = 20,word_min_len = 1)

print "关键词:"
print
for w in w_list:
   print w.word,w.weight
print
phrase = word.get_keyphrases(keywords_num = 5,min_occur_num=2)

print "关键词组:"
print 
for p in phrase:
 print p
print
sentence = TextRank4Sentence()

sentence.analyze(text,lower = True)
s_list = sentence.get_key_sentences(num = 3,sentence_min_len = 5)

print "关键句:"
print
for s in s_list:
 print s.sentence,s.weight
print