def classify(contents):
nlp = BosonNLP(boson_token)
result = nlp.classify(contents)
topics = []
for topic in result:
topics.append(topic_to_id[topic])
return topics
def Class_ification(sentence): #进行文本分类
plot.rcParams['font.sans-serif'] = ['SimHei']
plot.rcParams['axes.unicode_minus'] = False
nlp = BosonNLP('TPDuivpZ.27572.rVuPCI9-kUlN')
result = nlp.classify(sentence)
info = {
0: "体育",
1: "教育",
2: "财经",
3: "社会",
4: "娱乐",
5: "军事",
6: "国内",
7: "科技",
8: "互联网",
9: "房产",
10: "科技",
11: "女人",
12: "汽车",
13: "游戏",
}
DG = nx.DiGraph()
plot.figure(figsize=(3, 3))
plot.subplot(1, 1, 1)
plot.title('文本分类', color='red', fontsize=15)
DG.add_node(info[result[0]])
nx.draw(DG, with_labels=True, node_size=6000, node_color='lightblue')
plot.show()
class _BosonNLPWrapper(object):
"""
NLP object using the BosonNLP API Python SDK.
"""
news_categories = [
'physical education', 'education', 'finance', 'society',
'entertainment', 'military', 'domestic', 'science and technology',
'the internet', 'real estate', 'international', 'women', 'car', 'game'
]
def __init__(self, api_token=None):
try:
assert api_token is not None, "Please provide an API token"
except AssertionError as e:
raise
self.token = api_token
self.nlp = BosonNLP(self.token)
def get_sentiment(self, text):
pos, neg = self.nlp.sentiment(text)[0]
return {'positive': pos, 'negative': neg}
def classify_news(self, text):
numbering = range(len(_BosonNLPWrapper.news_categories))
cats_dict = dict(zip(numbering, _BosonNLPWrapper.news_categories))
clsfy_num = self.nlp.classify(text)[0]
return cats_dict[clsfy_num]
def extract_keywords(self, text, top_k=3):
result = self.nlp.extract_keywords(
text, top_k) # outputs in sorted order of weight
return [{result[i][1]: result[i][0]} for i in range(len(result))]
def segment_words_and_tag(self, text):
"""
Splits up text into segments of "words" and tags them with their respective part of speech.
See: http://docs.bosonnlp.com/tag.html
Parameters
----------
text (string): text passage to segment into separate "words" and tags them with parts of speech
Returns
-------
list of key-value pairs {word: part-of-speech-tag}
"""
result = self.nlp.tag(text)[0]
words = result['word']
tags = result['tag']
return [{words[i]: tags[i]} for i in range(len(words))]
def get_summary(self, content, title='', pct_limit=0.2):
"""
Extracts a new digest (summary) of the content.
See: http://docs.bosonnlp.com/summary.html
Parameters
----------
text (string): text passage to summarize
title (string): title of the passage (optional, may provide more accurate results)
pct_limit (float): max length of the summary in terms of percentage of the original word count
Returns
-------
string containing the summary of the passage
"""
summary = self.nlp.summary(title, content, pct_limit)
return summary
class BosonNlpp:
def __init__(self):
self.bonlp = BosonNLP('IKBIoANy.14545.A7GCYBnT9jIB')
#情感分析
def testSentiment(self, s):
result = self.bonlp.sentiment(s)
return result
#print(result)
#命名实体识别
def lexicalAnalysis(self, s):
result = self.bonlp.ner(s)[0]
return result
#依存文法分析
def textDependency(self, s):
result = self.bonlp.depparser(s)
return result
#关键词提取
def testKeywords(self, s):
result = self.bonlp.extract_keywords(s, top_k=10)
return result
#新闻分类
def textClassify(self, s):
resultlist = self.bonlp.classify(s)
classifys = {
0: '体育',
1: '教育',
2: '财经',
3: '社会',
4: '娱乐',
5: '军事',
6: '国内',
7: '科技',
8: '互联网',
9: '房产',
10: '国际',
11: '女人',
12: '汽车',
13: '游戏'
}
return (classifys[resultlist[0]])
#语义联想
def lexicalSynonym(self, term):
result = self.bonlp.suggest(term, top_k=10)
return result
#分词与词性标注
def fenci(self, s):
result = self.bonlp.tag(s)
return result
def newssubstract(self, s):
#s=s.encode('utf8')
s = s.decode('utf-8')
result = self.bonlp.summary('', s)
return result
class _BosonNLPWrapper(object):
"""
NLP object using the BosonNLP API Python SDK.
"""
news_categories = ['physical education', 'education', 'finance', 'society', 'entertainment', 'military',
'domestic', 'science and technology', 'the internet', 'real estate', 'international',
'women', 'car', 'game']
def __init__(self, api_token=None):
try:
assert api_token is not None, "Please provide an API token"
except AssertionError as e:
raise
self.token = api_token
self.nlp = BosonNLP(self.token)
def get_sentiment(self, text):
"""
Performs sentiment analysis on a text passage (works for Chinese text).
See: http://docs.bosonnlp.com/sentiment.html
Parameters
----------
text (string): text passage to be analyzed for sentiment
Returns
-------
dictionary with 'positive' and 'negative' as keys with their respective weights as values
>>> nlp = BosonNLPWrapper('')
>>> nlp.get_sentiment('不要打擾我')
{'positive': 0.3704911989140307, 'negative': 0.6295088010859693}
>>> nlp.get_sentiment('我很高興跟你見面')
{'positive': 0.856280735624867, 'negative': 0.14371926437513308}
"""
pos, neg = self.nlp.sentiment(text)[0]
return {'positive': pos, 'negative': neg}
def classify_news(self, text):
"""
Classifies news text into 14 different categories.
See: http://docs.bosonnlp.com/classify.html
Parameters
----------
text (string): text passage to classify into news categories defined in news_categories
Returns
-------
one of the 14 categories in news_categories that the text was classified into
"""
numbering = range(len(_BosonNLPWrapper.news_categories))
cats_dict = dict(zip(numbering, _BosonNLPWrapper.news_categories))
clsfy_num = self.nlp.classify(text)[0]
return cats_dict[clsfy_num]
def extract_keywords(self, text, top_k=3):
"""
Extracts the top k keywords and the weight of each word in the text.
See: http://docs.bosonnlp.com/keywords.html
Parameters
----------
text (string): text passage from which to extract keywords
top_k (integer): number of keywords to return
Returns
-------
list of key-value pairs {word: weight}
>>> nlp = BosonNLPWrapper('')
>>> nlp.extract_keywords('我最愛老虎堂，奶茶香醇，波霸彈Q 好香的黑糖味')
[{'波霸彈': 0.5980681967308248}, {'黑糖': 0.4699792421671365}, {'香醇': 0.4497614275300947}]
"""
result = self.nlp.extract_keywords(text, top_k) # outputs in sorted order of weight
return [{result[i][1]: result[i][0]} for i in range(len(result))]
def segment_words_and_tag(self, text):
"""
Splits up text into segments of "words" and tags them with their respective part of speech.
See: http://docs.bosonnlp.com/tag.html
Parameters
----------
text (string): text passage to segment into separate "words" and tags them with parts of speech
Returns
-------
list of key-value pairs {word: part-of-speech-tag}
"""
result = self.nlp.tag(text)[0]
words = result['word']
tags = result['tag']
return [{words[i]: tags[i]} for i in range(len(words))]
def get_summary(self, content, title='', pct_limit=0.2):
"""
Extracts a new digest (summary) of the content.
See: http://docs.bosonnlp.com/summary.html
Parameters
----------
text (string): text passage to summarize
title (string): title of the passage (optional, may provide more accurate results)
pct_limit (float): max length of the summary in terms of percentage of the original word count
Returns
-------
string containing the summary of the passage
"""
summary = self.nlp.summary(title, content, pct_limit)
return summary
