def segment(sentence, is_cut2char=False, enable_pos=False):
"""
切词
:param sentence:
:param is_cut2char: False use jieba.lcut; True use list(sentence)
:param enable_pos: bool, enable POS
:return: list
"""
import jieba
from jieba import posseg
jieba.setLogLevel(log_level="ERROR")
if enable_pos:
if not is_cut2char:
word_pos_seq = posseg.lcut(sentence)
word_seq, pos_seq = [], []
for w, p in word_pos_seq:
word_seq.append(w)
pos_seq.append(p)
return word_seq, pos_seq
else:
word_seq = list(sentence)
pos_seq = []
for w in word_seq:
w_p = posseg.lcut(w)
pos_seq.append(w_p[0].flag)
return word_seq, pos_seq
else:
if not is_cut2char:
return jieba.lcut(sentence)
else:
return list(sentence)
def segment(sentence, cut_type='word', pos=False):
"""
切词
:param sentence:
:param cut_type: 'word' use jieba.lcut; 'char' use list(sentence)
:param pos: enable POS
:return: list
"""
if pos:
if cut_type == 'word':
word_pos_seq = posseg.lcut(sentence)
word_seq, pos_seq = [], []
for w, p in word_pos_seq:
word_seq.append(w)
pos_seq.append(p)
return word_seq, pos_seq
elif cut_type == 'char':
word_seq = list(sentence)
pos_seq = []
for w in word_seq:
w_p = posseg.lcut(w)
pos_seq.append(w_p[0].flag)
return word_seq, pos_seq
else:
if cut_type == 'word':
return jieba.lcut(sentence)
elif cut_type == 'char':
return list(sentence)
def segment(sentence, cut_type='word', pos=False, None_flag='O'):
"""
切词
:param sentence:
:param cut_type: 'word' use jieba.lcut; 'char' use list(sentence)
:param pos: enable POS
:param None_flag: 'BIO' the 'O'
:return: list
"""
import logging
jieba.default_logger.setLevel(logging.ERROR)
if pos:
if cut_type == 'word':
word_pos_seq = posseg.lcut(sentence)
word_seq, pos_seq = [], []
for w, p in word_pos_seq:
word_seq.append(w)
pos_seq.append(p)
return word_seq, pos_seq
elif cut_type == 'char':
word_seq = list(sentence)
pos_seq = []
for w in word_seq:
w_p = posseg.lcut(w)
pos_seq.append(w_p[0].flag)
return word_seq, pos_seq
else:
if cut_type == 'word':
return jieba.lcut(sentence)
elif cut_type == 'char':
return list(sentence)
def SegJieba(InfoGene):
(name, yxsj, fj, yxzd) = next(InfoGene)
print(name)
keywords = get_key(yxsj)
yxsj_vec = re.split(r'[，。；]+', yxsj)
# 也可以自定义user-dict
word_list = jieba.lcut(yxsj)
freq_dist = nltk.FreqDist(word_list)
print(freq_dist)
for i in freq_dist:
print(i)
jieba.add_word(word="两肺", freq=None, tag='n')
jieba.add_word(word="支气管壁", freq=None, tag='n')
jieba.add_word(word="左肺", freq=None, tag='n')
clinic_dict = {}
discrip = ''
for sent in yxsj_vec:
print([(x.word, x.flag) for x in psg.lcut(sent)])
for sent in yxsj_vec:
for x in psg.lcut(sent):
if x.word in keywords and x.flag == 'n':
key = x.word
discrip = clinic_dict.get(key, "")
if x.word in keywords and (x.flag == 'a' or x.flag == 'v'):
discrip = discrip + x.word
clinic_dict[key] = discrip
if discrip != "":
print(key, clinic_dict[key])
def segment(sentence,cut_type='word',pos=False):
"""
:param sentence: 后面要把数据集拼接为句子
:param cut_type: 粒度：word和char级别
:param pos: 是否标注词性，默认不标注
:return:
"""
if pos:#整体上从是否支持词性标注进行判断
if cut_type == 'word':
word_pos_seq = posseg.lcut(sentence)
'''
注意cut和lcut的区别：
cut是一个生成器(generator),需要通过for循环取其中的每一个词
而lcut直接生成一个list
'''
word_seq,pos_seq = [],[]
#定义两个list，第一个用于存放所分出的词，第二个用于存放其词性（如果pos=Ture）
for w,p in word_pos_seq:
word_seq.append(w)
pos_seq.append(p)
return word_seq,pos_seq
elif cut_type == 'char':
word_seq = list(sentence)
pos_seq = []
for w in word_seq:
w_p = posseg.lcut(w)
pos_seq.append(w_p[0].flag) #这里取pair中0号位置的flag(词性)
return word_seq,pos_seq
else:
if cut_type == 'word':
return jieba.lcut(sentence)
elif cut_type == 'char':#由于粒度是char，可以直接用list返回
return list(sentence)
def segment(sentence, cut_type='word', pos=False):
seg_words = []
seg_pos = []
if cut_type == 'word':
if pos == True:
seg_word_pos = posseg.lcut(sentence)
for word, pos in seg_word_pos:
seg_words.append(word)
seg_pos.append(pos)
return seg_words, seg_pos
elif pos == False:
seg_words = jieba.lcut(sentence)
return seg_words
if cut_type == 'char':
if pos == True:
for char in sentence:
seg_word_pos = posseg.lcut(char)
for word, pos in seg_word_pos:
seg_words.append(word)
seg_pos.append(pos)
return seg_words, seg_pos
elif pos == False:
for char in sentence:
seg_words.append(char)
return seg_words
def getCosinSimilarity(self, str1, str2):
soupfcontent1 = BeautifulSoup(str(str1), "html.parser")
content_table1 = soupfcontent1.find_all('table')
soupfcontent2 = BeautifulSoup(str(str2), "html.parser")
content_table2 = soupfcontent2.find_all('table')
cut_str1 = [
w for w, t in posseg.lcut(str(content_table1))
if 'n' in t or 'v' in t
]
cut_str2 = [
w for w, t in posseg.lcut(str(content_table2))
if 'n' in t or 'v' in t
]
# 列出所有词
all_words = set(cut_str1 + cut_str2)
# 计算词频
freq_str1 = [cut_str1.count(x) for x in all_words]
freq_str2 = [cut_str2.count(x) for x in all_words]
# 计算相似度
sum_all = sum(map(lambda z, y: z * y, freq_str1, freq_str2))
sqrt_str1 = math.sqrt(sum(x**2 for x in freq_str1))
sqrt_str2 = math.sqrt(sum(x**2 for x in freq_str2))
cosin_similarity = sum_all / (sqrt_str1 * sqrt_str2)
print cosin_similarity
def loadDocument(stopList):
global docList
docList = []
for file in os.listdir(negPath):
news = None
with open(os.path.join(negPath,file),'r',encoding='utf-8') as f:
news = f.read()
noun = [word for word, flag in pseg.lcut(news) if flag.startswith('n')]
news = list(jieba.cut(news))
news = [word for word in news if (word not in stopList) and (word not in noun)] # 过滤停用词和名词
docList.append(news)
for file in os.listdir(neuPath):
news = None
with open(os.path.join(neuPath,file),'r',encoding='utf-8') as f:
news = f.read()
noun = [word for word, flag in pseg.lcut(news) if flag.startswith('n')]
news = list(jieba.cut(news))
news = [word for word in news if (word not in stopList) and (word not in noun)] # 过滤停用词和名词
docList.append(news)
for file in os.listdir(posPath):
news = None
with open(os.path.join(posPath,file),'r',encoding='utf-8') as f:
news = f.read()
noun = [word for word, flag in pseg.lcut(news) if flag.startswith('n')]
news = list(jieba.cut(news))
news = [word for word in news if (word not in stopList) and (word not in noun)] # 过滤停用词和名词
docList.append(news)
return None
def segment(sentence: str, cut_type: str = 'word', pos: bool = False) -> list:
"""
对句子进行分词操作。
:param sentence: 需要分词的句子
:param cut_type: 'word' use jieba.lcut; 'char' use list(sentence) 分词方式
:param pos: enable POS 是否启用POS（词性标注）
:return: list 分词后所有词组成的列表
"""
if pos:
if cut_type == 'word':
word_pos_seq = posseg.lcut(sentence)
word_seq, pos_seq = [], []
for w, p in word_pos_seq:
word_seq.append(w)
pos_seq.append(p)
return word_seq, pos_seq
elif cut_type == 'char': # 按字符分隔
word_seq = list(sentence) # 把句子拆分为单个字组成的列表
pos_seq = []
for w in word_seq:
w_p = posseg.lcut(w)
pos_seq.append(w_p[0].flag) # 获取对应的词性 pos
return word_seq, pos_seq
else:
if cut_type == 'word': # 按词分隔
return jieba.lcut(sentence)
elif cut_type == 'char':
return list(sentence)
def segment(sentence, cut_type='word', pos=False):
"""
切词
:param sentence:
:param cut_type: 'word' use jieba.lcut; 'char' use list(sentence)
:param pos: enable POS
:return: list
"""
import logging
jieba.default_logger.setLevel(logging.ERROR)
if pos:
if cut_type == 'word':
word_pos_seq = posseg.lcut(sentence)
word_seq, pos_seq = [], []
for w, p in word_pos_seq:
word_seq.append(w)
pos_seq.append(p)
return word_seq, pos_seq
elif cut_type == 'char':
word_seq = list(sentence)
pos_seq = []
for i in word_seq:
w_p = posseg.lcut(i)
pos_seq.append(w_p[0].flag)
return word_seq, pos_seq
else:
if cut_type == 'word':
return jieba.lcut(sentence)
elif cut_type == 'char':
return list(sentence)
def _cut_jieba(row):
"""
cut the sentences into tokens
:param row:
:return:
"""
cut_words = []
cut_flags = []
if '。' in row:
row = row.split('。')
for idx, s in enumerate(row):
if idx != len(row) - 1:
s = s + '。'
s_cut = list(pseg.lcut(s, HMM=False))
cut_words.extend([c.word for c in s_cut])
cut_flags.extend([c.flag for c in s_cut])
else:
s_cut = list(pseg.lcut(row, HMM=False))
cut_words = [c.word for c in s_cut]
cut_flags = [c.flag for c in s_cut]
new_row = pd.Series()
new_row['tokens'] = cut_words
new_row['flags'] = cut_flags
return new_row
def loadWords(stopList):
global wordsList
wordsSet = set()
for file in os.listdir(negPath):
news = None
with open(os.path.join(negPath,file),'r',encoding='utf-8',errors='ignore') as f:
news = f.read()
noun = [word for word, flag in pseg.lcut(news) if flag.startswith('n')] # 拿到其中的名词列表
news = set(jieba.cut(news))
news = {word for word in news if (word not in stopList) and (word not in noun)} # 过滤停用词和名词
wordsSet = news | wordsSet # 取集合并集
# 最后要使用list类型，因为要保证结果的有序性
wordsList = list(wordsSet)
for file in os.listdir(neuPath):
news = None
with open(os.path.join(neuPath,file),'r',encoding='utf-8',errors='ignore') as f:
news = f.read()
noun = [word for word, flag in pseg.lcut(news) if flag.startswith('n')] # 拿到其中的名词列表
news = set(jieba.cut(news))
news = {word for word in news if (word not in stopList) and (word not in noun)} # 过滤停用词和名词
wordsSet = news | wordsSet # 取集合并集
# 最后要使用list类型，因为要保证结果的有序性
wordsList = list(wordsSet)
for file in os.listdir(posPath):
news = None
with open(os.path.join(posPath,file),'r',encoding='utf-8',errors='ignore') as f:
news = f.read()
noun = [word for word, flag in pseg.lcut(news) if flag.startswith('n')] # 拿到其中的名词列表
news = set(jieba.cut(news))
news = {word for word in news if (word not in stopList) and (word not in noun)} # 过滤停用词和名词
wordsSet = news | wordsSet # 取集合并集
# 最后要使用list类型，因为要保证结果的有序性
wordsList = list(wordsSet)
return None
def tokenizer(self, text):
if type(text) is list:
result = list()
for s in text:
result.append(pseg.lcut(s))
return result
else:
return pseg.lcut(text)
def simicos(str1, str2):
cut_str1 = [w for w, t in posseg.lcut(str1) if t != 'x']
cut_str2 = [w for w, t in posseg.lcut(str2) if t != 'x']
if cut_str1 != [] and cut_str2 != []:
all_words = set(cut_str1 + cut_str2)
freq_str1 = [cut_str1.count(x) for x in all_words]
freq_str2 = [cut_str2.count(x) for x in all_words]
sum_all = sum(map(lambda z, y: z * y, freq_str1, freq_str2))
sqrt_str1 = math.sqrt(sum(x ** 2 for x in freq_str1))
sqrt_str2 = math.sqrt(sum(x ** 2 for x in freq_str2))
return sum_all / (sqrt_str1 * sqrt_str2)
else:
return 0
def process_postag(text):
word, pos = [], []
for w, p in posseg.lcut(text):
word += [w] * len(w)
pos += [p] * len(w)
return word, pos
def delNOTNeedWords(content,customstopwords=None):
# words = jieba.lcut(content)
if customstopwords == None:
customstopwords = "stopwords.txt"
import os
if os.path.exists(customstopwords):
stop_words = codecs.open(customstopwords, encoding='UTF-8').read().split(u'\n')
customstopwords = stop_words
result=''
return_words = []
# for w in words:
# if w not in stopwords:
# result += w.encode('utf-8') # +"/"+str(w.flag)+" " #去停用词
words = pseg.lcut(content)
for word, flag in words:
# print word.encode('utf-8')
tempword = word.encode('utf-8').strip(' ')
if (word not in customstopwords and len(tempword)>0 and flag in [u'n',u'nr',u'ns',u'nt',u'nz',u'ng',u't',u'tg',u'f',u'v',u'vd',u'vn',u'vf',u'vx',u'vi',u'vl',u'vg', u'a',u'an',u'ag',u'al',u'm',u'mq',u'o',u'x']):
# and flag[0] in [u'n', u'f', u'a', u'z']):
# ["/x","/zg","/uj","/ul","/e","/d","/uz","/y"]): #去停用词和其他词性，比如非名词动词等
result += tempword # +"/"+str(w.flag)+" " #去停用词
return_words.append(tempword)
return result,return_words
def split_words(s):
# 繁体转简体
s = SplitWords.__convert(s)
# 去除标签
s = SplitWords.__del_non_tag(s)
# 去除标点符号
s = SplitWords.__del_punctuation(s)
# 去除数字
s = SplitWords.__del_digit(s)
# 分词 带有词性
words = pseg.lcut(s, HMM=True)
# 重新编码 UTF-8
words = SplitWords.__reencoding(words)
# 去掉中文停用词
words = SplitWords.__del_stop(words,
SplitWords.__read_chinese_stoplist())
# 去掉英文停用词
words = SplitWords.__del_stop(words,
SplitWords.__read_english_stoplist())
# 去掉多余的空格
words = SplitWords.__del_blank(words)
# 去掉无用的词性词汇，并将剩下的词汇的词性删除
words = SplitWords.__del_non_pos(words)
return words
def parse_by_rules(self, text):
self.words = pseg.lcut(parse_cn_number(text), HMM=False)
while self.has_next():
beginning = self.get_index()
self.consume_year_period() \
or self.consume_month_period() \
or self.consume_day_period()
self.consume_weekday_period() \
or self.consume_hour_period() \
or self.consume_minute_period()
self.consume_year() \
or self.consume_month() \
or self.consume_day()
self.consume_hour()
if self.get_index() != beginning:
# Time found
self.consume_word(u'准时')
if self.consume_word(u'提醒'):
self.consume_word(u'我')
if self.current_tag() == 'v' and self.peek_next_word() == u'我':
self.advance(2)
self.consume_to_end()
return Remind(time=self.now, desc=text, event=self.do_what)
else:
self.advance()
return None
def maxSimTxt(self, intxt, simCondision=0.15, simType='simple'):
'''
找出知识库里的和输入句子相似度最高的句子
:param intxt: 输入文本
:param simCondision: 相似度阈值
:param simType:
:return:
'''
self.lastTxt.append(intxt)
if simType not in ('simple', 'simple_pos', 'vec'):
return 'error: maxSimTxt的simType类型不存在: {}'.format(simType)
# 如果没有加载词向量，那么降级成 simple_pos 方法
embedding = self.vecModel
if simType == 'vec' and not embedding:
simType = 'simple_pos'
for t in self.zhishiku:
questions = t.q_vec if simType == 'vec' else t.q_word
in_vec = jieba.lcut(intxt) if simType == 'simple' else pseg.lcut(
intxt)
t.sim = max(
similarity(
in_vec, question, method=simType, embedding=embedding)
for question in questions)
maxSim = max(self.zhishiku, key=lambda x: x.sim)
logger.info('maxSim=' + format(maxSim.sim, '.0%'))
if maxSim.sim < simCondision:
return [''], ''
return maxSim.q, maxSim.a
def _cut_word(self, comment): #分词
word_pairs = posseg.lcut(comment, HMM=False)
result = []
for t in word_pairs:
if not (t.word in result or t.word in self.stop_words):
result.append(t.word)
return '/'.join(result)
def participle(self, raw_sentence):
"""对原始语句分词，去标点，返回两个列表，第一个为分词结果，第二个为词性列表"""
m = []
n = []
# 年龄处理
age_list = re.findall("\d+岁.*?月|\d+岁半|\d+岁|\d+年级|[一二三四五六七八九]年级", raw_sentence)
# 日期时间处理
time_list = re.findall("\d+号上午\d+点|\d+号下午\d+点|\d+号上午|\d+号下午|\d+号晚上|\d+号|\d+[:：]\d+", raw_sentence)
total = age_list + time_list
for i in total:
jieba.add_word(i)
for i, j in pseg.lcut(raw_sentence): # 去标点
if i not in self.stopwords:
m.append(i)
n.append(j)
# 把地址合在一起，例如将['北京市','海淀区','西土城路']合称为'北京市海淀区西土城路'
index = []
for i in range(len(n)):
if n[i] == 'ns':
index.append(i)
if len(index) > 1:
for i in range(index[-1]-index[0]):
m[index[0]] += m[index[0]+i+1]
m[index[0]+i+1] = ''
n[index[0]+i+1] = ''
x, y = [], []
for i in m:
if i != '':
x.append(i)
for i in n:
if i != '':
y.append(i)
else:
x, y = m, n
return x, y
def delNOTNeedWords(content, customstopwords=None):
# words = jieba.lcut(content)
if customstopwords == None:
import os
file_stop_words = "stopwords.txt"
if os.path.exists(file_stop_words):
stop_words = codecs.open(file_stop_words, encoding="UTF-8").read()
customstopwords = stop_words
result = ""
return_words = []
# for w in words:
# if w not in stopwords:
# result += w.encode('utf-8') # +"/"+str(w.flag)+" " #去停用词
words = pseg.lcut(content)
for word, flag in words:
# print word.encode('utf-8')
if word not in customstopwords and flag[0]:
# in [u'n', u'f', u'a', u'v', u'd',u'z']):
# ["/x","/zg","/uj","/ul","/e","/d","/uz","/y"]): #去停用词和其他词性，比如非名词动词等
result += word.encode("utf-8") # +"/"+str(w.flag)+" " #去停用词
return_words.append(word.encode("utf-8"))
return result, return_words
def maxSimTxt(self, intxt, simCondision=0.1, simType='simple'):
"""
找出知识库里的和输入句子相似度最高的句子
simType=simple, simple_POS, vec
"""
self.lastTxt.append(intxt)
if simType not in ('simple', 'simple_pos', 'vec'):
return 'error: maxSimTxt的simType类型不存在: {}'.format(simType)
# 如果没有加载词向量，那么降级成 simple_pos 方法
embedding = self.vecModel
if simType == 'vec' and not embedding:
simType = 'simple_pos'
for t in self.zhishiku:
questions = t.q_vec if simType == 'vec' else t.q_word
in_vec = jieba.lcut(intxt) if simType == 'simple' else pseg.lcut(
intxt)
t.sim = max(
similarity(
in_vec, question, method=simType, embedding=embedding)
for question in questions)
maxSim = max(self.zhishiku, key=lambda x: x.sim)
logger.info('maxSim=' + format(maxSim.sim, '.0%'))
if maxSim.sim < simCondision:
return '抱歉，我没有理解您的意思。请您询问有关汽车的话题。'
return maxSim.a
async def _(session: NLPSession):
# 去掉消息首尾的空白符
stripped_msg = session.msg_text.strip()
# 对消息进行分词和词性标注
words = posseg.lcut(stripped_msg)
dates = {'今天': 0,
'明天': 1,
'后天': 2
}
searchInfo={'city': None,
'date': None}
# 遍历 posseg.lcut 返回的列表
for word in words:
# 每个元素是一个 pair 对象，包含 word 和 flag 两个属性，分别表示词和词性
if word.flag == 'ns' and searchInfo['city'] is None:
# ns 词性表示地名
searchInfo['city'] = word.word
if word.flag == 't' and searchInfo['date'] is None:
if word.word in dates:
searchInfo['date'] = dates[word.word]
if (not searchInfo['city'] is None) and ( not searchInfo['date'] is None):
break
if searchInfo['date'] is None:
searchInfo['date'] =0
# 返回意图命令，前两个参数必填，分别表示置信度和意图命令名
return IntentCommand(80.0, 'weather', current_arg=json.dumps(searchInfo) or '')
def multilingual_sent_split(texts):
print('\nOriginal texts: ', texts)
lingual_split_sign = {'x', 'eng'}
final_parts = []
sub_part = []
cuts = pseg.lcut(texts)
for idx in range(len(cuts) - 1):
# 如果当前位置的词语词性和下一个词词性相同，则把当前位置上的词添加进当前的sub_part中
if (cuts[idx].flag in lingual_split_sign
and cuts[idx + 1].flag in lingual_split_sign) or (
cuts[idx].flag not in lingual_split_sign
and cuts[idx + 1].flag not in lingual_split_sign):
sub_part.append(cuts[idx].word)
# 否则就应该把当前的sub_part添加进final_parts中，且要新建sub_part
else:
sub_part.append(cuts[idx].word)
final_parts.append(sub_part)
sub_part = []
# 最后一个词如果和倒数第二个词词性相同，则把最后一个词添加进当前的sub_part中
if (cuts[-1].flag in lingual_split_sign
and cuts[-2].flag in lingual_split_sign) or (
cuts[-1].flag not in lingual_split_sign
and cuts[-2].flag not in lingual_split_sign):
sub_part.append(cuts[-1].word)
# 最后一个词如果和倒数第二个词词性不相同，则把最后一个词作为新的sub_part添加进final_parts中
else:
final_parts.append([cuts[-1].word])
if sub_part:
final_parts.append(sub_part)
final_strs = [''.join(_l) for _l in final_parts]
print('Cut texts: ', final_strs)
return final_strs
def filter_stop_words(content):
result = [] # 最终返回结果
words = pseg.lcut(content) # 分词
for word in words:
if word.word.strip() not in stop_words and word.flag[0] in [u'n']:
result.append(word.word.strip().encode('utf-8'))
return result
def split_words(s):
# 繁体转简体
s = SplitWords.__convert(s)
# 去除标签
s = SplitWords.__del_non_tag(s)
# 去除标点符号
s = SplitWords.__del_punctuation(s)
# 去除数字
s = SplitWords.__del_digit(s)
# 分词 带有词性
words = pseg.lcut(s, HMM=True)
# 重新编码 UTF-8
words = SplitWords.__reencoding(words)
# 去掉中文停用词
words = SplitWords.__del_stop(words, SplitWords.__read_chinese_stoplist())
# 去掉英文停用词
words = SplitWords.__del_stop(words, SplitWords.__read_english_stoplist())
# 去掉多余的空格
words = SplitWords.__del_blank(words)
# 去掉无用的词性词汇，并将剩下的词汇的词性删除
words = SplitWords.__del_non_pos(words)
return words
def segment_file(in_file, out_file, word_sep=' ', pos_sep='/', is_pos=True):
"""
segment input file to output file
:param in_file:
:param out_file:
:param word_sep:
:param pos_sep:
:param is_pos: 需要词性标注
:return:
"""
jieba.enable_parallel()
with open(in_file, 'r', encoding='utf-8') as fin, open(out_file, 'w', encoding='utf-8') as fout:
count = 0
for line in fin:
in_line = line.strip()
seg_line = ''
if is_pos:
words = posseg.lcut(in_line)
for word, pos in words:
seg_line += word + pos_sep + pos + word_sep
else:
words = jieba.lcut(in_line)
for word in words:
seg_line += word + word_sep
fout.write(seg_line + "\n")
count += 1
print("segment ok. input file count:", count)
def extract_keyword(self, text, number):
"""
抽取关键词
:param text: 输入文本
:param number: 抽取的关键词数量
:return: 返回重要成都排前number的关键词
"""
graph = TextRank()
occu2num = defaultdict(int)
seg_list = psg.lcut(text)
for i, pair in enumerate(seg_list):
if pair.flag[0] in self.tag and len(pair.word) > 1:
for j in range(i + 1, i + 1 + self.span):
if j >= len(seg_list):
break
if seg_list[j].flag[0] not in self.tag or len(seg_list[j].word) < 2:
continue
if (seg_list[j].word, pair.word) in occu2num:
occu2num[(seg_list[j].word, pair.word)] += 1
else:
occu2num[(pair.word, seg_list[j].word)] += 1
for key, value in occu2num.items():
graph.add_edge(key[0], value, key[1])
node_rank = graph.build_rank()
node_rank = sorted(node_rank.items(), key=lambda x: x[1], reverse=True)
return node_rank[:number]
def analyse_wordVector(model, name_list, sentence):
for name in name_list:
print('{}的词向量为:\n{}'.format(name, model[name]))
print('与{}最相关的词:{}'.format(name, model.most_similar(name)))
topn = 3 # 查看跟'令狐冲'相关性前三的词
print('跟{}相关性前{}的词:\n{}'.format(name, topn,
model.similar_by_word(name,
topn=topn)))
print('跟{}关系相当于师妹跟林平之的关系的词:\n{}'.format(
name, model.most_similar(['师妹', '林平之'], [name], topn=topn)))
print('跟{}关系相当于师妹跟圣姑的关系的词:\n{}'.format(
name, model.most_similar(['师妹', '圣姑'], [name], topn=topn)))
#u"令狐冲 任盈盈 林平之 岳不群 东方不败"
a, b = '令狐冲', '师妹'
print('集合{}中不同类的词语:{}'.format(
name_list,
model.wv.doesnt_match(u"令狐冲 任盈盈 林平之 岳不群 东方不败".split()))) # 选出集合中不同类的词语
print('{}和{}之间的相关度:{}'.format(a, b, model.wv.similarity(a,
b))) # 两个词语之间的相关度
#分词后对词的属性进行分析
sentence = poss.lcut(sentence)
# cut()分词，返回一个生成器generator，可通过迭代的方法访问各个分词
# lcut()返回的是list，list(jieba.cut())等价与jieba.lcut()
print(sentence) # nr:人名 r:代词 v:动词
print('测试句子中的人名有：',
[list(i)[0] for i in sentence if list(i)[1] == 'nr']) # ['林平之']
def delNOTNeedWords(content, customstopwords=None):
# words = jieba.lcut(content)
if customstopwords == None:
customstopwords = "stopwords.txt"
import os
if os.path.exists(customstopwords):
stop_words = codecs.open(customstopwords,
encoding='UTF-8').read().split(u'\n')
customstopwords = stop_words
result = ''
return_words = []
# for w in words:
# if w not in stopwords:
# result += w.encode('utf-8') # +"/"+str(w.flag)+" " #去停用词
words = pseg.lcut(content)
for word, flag in words:
# print word.encode('utf-8')
tempword = word.encode('utf-8').strip(' ')
if (word not in customstopwords and len(tempword) > 0 and flag in [
u'n', u'nr', u'ns', u'nt', u'nz', u'ng', u't', u'tg', u'f',
u'v', u'vd', u'vn', u'vf', u'vx', u'vi', u'vl', u'vg', u'a',
u'an', u'ag', u'al', u'm', u'mq', u'o', u'x'
]):
# and flag[0] in [u'n', u'f', u'a', u'z']):
# ["/x","/zg","/uj","/ul","/e","/d","/uz","/y"]): #去停用词和其他词性，比如非名词动词等
result += tempword # +"/"+str(w.flag)+" " #去停用词
return_words.append(tempword)
return result, return_words
def cut_word(raw_data):
cut_result = []
prbl_cl = list(raw_data)
for entry in prbl_cl:
word_cut = psg.lcut(entry)
cut_result += word_cut
return cut_result
def cut_sentence(self,
sentence,
by_word=True,
use_stop=True,
with_sg=False):
"""
with_sg : 有无词性
"""
assert by_word != True or with_sg != True, '单个字分词没有词性'
if by_word is True:
return self._cut_by_word(sentence)
else:
jb_content = psg.lcut(sentence)
if use_stop is True:
# 判断是否存在停用词
jb_content = [
i for i in jb_content if i.word not in self.stop_word
]
if with_sg is True:
jb_content = [(i.word, i.flag) for i in jb_content]
else:
jb_content = [i.word for i in jb_content]
return jb_content
def string2json(text, save_path=None):
# input: text is a string
# output: sample is a json， save sample to a json file and return True
assert isinstance(save_path, str)
# generate sentence and eligible entities
lst_text = pseg.lcut(text)
sentence = list()
lst_entity = list()
for i, j in lst_text:
if ('n' in j) or (j in ['i', 'j', 's', 'l']): # 名词，成语、习语、空间词、临时语，也包含未知词"un"
lst_entity.append(i)
sentence.append(i)
sentence = " ".join(sentence)
lst_entity = list(set(lst_entity))
# generate sample with json structure
sample = list()
for head, tail in itertools.combinations(lst_entity, 2): # 候选词两两组合
d = {
"sentence": sentence,
"head": {"word": str(head), "id": str(head)},
"tail": {"word": str(tail), "id": str(tail)},
"relation": ""}
sample.append(d)
# 对称
d = {
"sentence": sentence,
"head": {"word": str(tail), "id": str(tail)},
"tail": {"word": str(head), "id": str(head)},
"relation": ""}
sample.append(d)
# save sample
with open(save_path, "w") as f:
json.dump(sample, f)
return True
def abstract_question(self, question):
"""
使用jieba进行分词，将关键词进行词性抽象
:param question:
:RETURN:
"""
self.abstractMap = {}
list_word = pseg.lcut(question) # 中文分词
abstractQuery = ''
nr_count = 0
for item in list_word:
word = item.word
pos = str(item)
if 'nm' in pos: # 电影名
abstractQuery += "nm "
self.abstractMap['nm'] = word
elif 'nr' in pos and nr_count == 0:
abstractQuery += 'nnt '
self.abstractMap['nnt'] = word
nr_count += 1
elif 'nr' in pos and nr_count == 1: # nr再一次出现，改成nnr
abstractQuery += "nnr "
self.abstractMap['nnr'] = word
nr_count += 1
elif 'x' in pos:
abstractQuery += "x "
self.abstractMap['x'] = word
else:
abstractQuery += word + " "
return abstractQuery
def get_question_by_rowQ1(rowQ):
# print(rowQ)
# print(rowQ)
line = p.sub("",rowQ[-1]).replace("\n","")
# line = rowQ[-2] + p.sub("",line).replace("\n","")
pos_list = posseg.lcut(line)
question = ""
if(rule_1(line,pos_list,rowQ) != None):
question = rule_1(line,pos_list,rowQ)
elif(rule_2(line,pos_list,rowQ) != None):
question = rule_2(line,pos_list,rowQ)
else:
# question = line
# print(rowQ)
# print("x")
question = rule_3(line,pos_list,rowQ)
question = question.lower()
if(question.find(rowQ[0].lower()) == -1):
question = rowQ[0].lower()+" "+question
# print(question)
# print("~~~"*30)
return question
def pseg_adj_n(row):
pair_pseg = [item for item in pseg.lcut(row[3])]
adj = [[word, flag][0] for word, flag in pair_pseg if flag[0] == "a"]
n = [[word, flag][0] for word, flag in pair_pseg if flag[0] == "n"]
dataset = [adj, n]
return dataset
def delstopwords(content):
result = ''
words = pseg.lcut("".join(content.split()))
for word, flag in words:
if word not in stopwords and flag not in ["/x", "/zg", "/uj", "/ul", "/e", "/d", "/uz",
"/y"]: # 去停用词和其他词性，比如非名词动词等
result += word.encode('utf-8') # +"/"+str(w.flag)+" " #去停用词
return result
def readfile(filename):
jieba.load_userdict('../dict.txt') # 导入自定义词典 tips:更改词频
file = open(filename)
content = file.readline()
parts = content.split(' ')
res = pseg.lcut(parts[2]) # 返回列表形式
# for i in range(1, len(res)):
# print (res[i]).word
for word, flag in res:
if flag == 'nr':
print word
def cut_with_flag(raw_str, filter_invalid_word_flag=True):
"""
:param raw_str: str
:return: list[(str, str)]
"""
res = [(a, b) for a, b in pseg.lcut(raw_str)]
if filter_invalid_word_flag:
return filter_invalid_word(res)
else:
return res
def ranking_function(output_prob_tree, cx, cy):
# 平仄
x_py = pypinyin.pinyin(cx, style=pypinyin.TONE2)
y_py = pypinyin.pinyin(cy, style=pypinyin.TONE2)
x_pz = map(lambda i: -1 if int(re.search('\d', i[0]).group(0)) <= 2 else 1, x_py)
y_pz = map(lambda i: -1 if int(re.search('\d', i[0]).group(0)) <= 2 else 1, y_py)
pingze_score = sum(map(lambda i, j: i + j == 0, x_pz, y_pz)) / float(len(cx)) + 0.001
def sigmoid(x):
return 1 / (1 + math.e ** (-x))
def pos_eq(x_pos, y_pos):
return x_pos == y_pos or x_pos in y_pos or y_pos in x_pos
import operator
smooth_value = 0.001
freq_amp = 10 ** math.sqrt(len(cx))
# 词性
cx_pos = map(lambda x: zip(*pseg.lcut(x)[0])[0][1], cx)
cy_pos = map(lambda y: zip(*pseg.lcut(y)[0])[0][1], cy)
pos_score = reduce(operator.add, map(lambda x, y: float(1)/len(cx) if pos_eq(x, y) else 0, cx_pos, cy_pos))
pos_score += smooth_value
# 输出概率
out_score = reduce(operator.mul, map(lambda x, y: output_prob_tree[x][y] * freq_amp, cx, cy))
out_score = sigmoid(out_score)
out_score += smooth_value
# 整合
score = pingze_score * out_score * pos_score
# score = pingze_score * pos_score
# print 'ranking', cy
# print 'pingze', pingze_score
# print 'pos', pos_score
# print 'freq', out_score
return score
def delstopwords(content):
# words = jieba.lcut(content)
result=''
# for w in words:
# if w not in stopwords:
# result += w.encode('utf-8') # +"/"+str(w.flag)+" " #去停用词
words = pseg.lcut(content)
for word, flag in words:
if (word not in stopwords and flag not in ["/x","/zg","/uj","/ul","/e","/d","/uz","/y"]): #去停用词和其他词性，比如非名词动词等
result += word.encode('utf-8') # +"/"+str(w.flag)+" " #去停用词
# print result
return result
def on_post(self, req, resp):
body = req.stream.read()
if not body:
raise falcon.HTTPBadRequest("Empty request body")
# seg_list = list(jieba.cut(body, cut_all=False))
words = pseg.lcut(body)
result = list()
for word, flag in words:
tmp = posSeg.posSeg(word, flag)
result.append(tmp.__dict__)
resp.body = json.dumps(result)
resp.status = falcon.HTTP_200
def sentence_to_vector(sentence, padding=True, padding_length=10):
'''
将句子的每个词转换成词向量，
如果出现word2vec 的OOV词，则随机初始化;
如果padding 为True的话，会将句子进行补全，不够长度则补0,超出长度则截断
:param sentence: input sentence
:type sentence: list
:param padding: bool
:param padding_length:
:type padding_length: int
:return:
:rtype:np.array
'''
vectors = []
for item in sentence:
# print item
try:
vector = word2vec_model[unicode(item)]
except:
logging.debug(u'出现未知词（%s），随机填充' % (item))
vector = get_unkown_vector(50)
# print vector
vectors.append(vector)
if padding:
if len(vectors) > padding_length:
logging.debug(u'对句子进行截断:%s' % (' '.join(sentence)))
seg_index = range(len(vectors))
# print seg_index
# 对代词进行过滤
counter = 0
for item in posseg.lcut(' '.join(sentence)):
# print counter
if item.flag == 'x':
# seg_index.remove(index)
continue
if item.flag == 'r':
logging.debug('去除：%s' % (item))
seg_index.remove(counter)
if len(seg_index) == padding_length:
break
counter += 1
vectors = np.asarray(vectors)[seg_index][:padding_length]
sentence = np.asarray(sentence)[seg_index][:padding_length]
logging.debug(u'对句子进行截断后:%s' % (' '.join(sentence)))
elif len(vectors) < padding_length:
vectors.extend([get_None_vector(50)] * (padding_length - len(vectors)))
return np.asarray(vectors)
def delNOTNeedWords(content,stopwords):
# words = jieba.lcut(content)
result=''
# for w in words:
# if w not in stopwords:
# result += w.encode('utf-8') # +"/"+str(w.flag)+" " #去停用词
words = pseg.lcut(content)
for word, flag in words:
# print word.encode('utf-8')
if (word not in stopwords and flag[0] in [u'n',u'f',u'a',u'z']): #去停用词和其他词性，比如非名词动词等
result += word.encode('utf-8') # +"/"+str(w.flag)+" " #去停用词
return result
async def _(session: NLPSession):
# 去掉消息首尾的空白符
stripped_msg_text = session.msg_text.strip()
# 对消息进行分词和词性标注
words = posseg.lcut(stripped_msg_text)
city = None
# 遍历 posseg.lcut 返回的列表
for word in words:
# 每个元素是一个 pair 对象，包含 word 和 flag 两个属性，分别表示词和词性
if word.flag == 'ns':
# ns 词性表示地名
city = word.word
# 返回处理结果，三个参数分别为置信度、命令名、命令会话的参数
return NLPResult(90.0, 'weather', {'city': city})
def delNOTNeedWords(content,stopwords):
# words = jieba.lcut(content)
result=''
# for w in words:
# if w not in stopwords:
# result += w.encode('utf-8') # +"/"+str(w.flag)+" " #去停用词
words = pseg.lcut(content)
# jieba.cut()
text_list = []
for word, flag in words:
# print word.encode('utf-8')
if (word not in stopwords and flag not in ["/x","/zg","/uj","/ul","/e","/d","/uz","/y"]): #去停用词和其他词性，比如非名词动词等
# text_list.append(word.encode('utf-8'))
result += word.encode('utf-8') # +"/"+str(w.flag)+" " #去停用词
# ''.join(text_list)
return result
def seg(sentence,sep='|',full_mode = True,remove_stopword = False):
'''
使用jieba分词进行分词
:param sentence: 待分词句子
:type sentence: str
:param remove_stopword: 是否去除stopword
:type remove_stopword: bool
:return:返回分词后字符串,seg_srt
:rtype: str
'''
# logging.debug('是否去除stopwords：%s'%remove_stopword)
# for items in jseg.lcut(sentence):
# print items.flag,items.word
seg = []
pattern = re.compile('[0-9]+$')
for items in jseg.lcut(sentence):
# 利用词性标注去除标点符号
if items.flag == 'x':
logging.debug(u'句子（%s）将标点符号："%s"替换成""'%(sentence,items.word))
seg.append('')
# continue
if remove_stopword and items.word in stopword_list:
logging.debug(u'句子（%s）去除stopwords：%s' % (sentence,items))
continue
# 将数字替换成 NUM
if pattern.match(items.word) and items.word not in exclude_word_list:
print items
seg.append('DIGITTAG')
logging.debug(u'句子（%s）将数字："%s" 替换成标记："DIGITTAG"'%(sentence,items.word))
else:
seg.append(items.word)
# sentence = [items.word for items in jseg.lcut(sentence) if items.flag!='x']
sentence = ' '.join(seg)
# print sentence
# print sentence
seg_list = jieba.lcut(sentence, cut_all=full_mode)
# print seg_list
seg_list = [item for item in seg_list if len(item.strip())!=0]
# print seg_list
seg_srt = sep.join(seg_list)
return seg_srt
def delstopwords(content):
stopwords = codecs.open('stopwords.txt', encoding='UTF-8').read()
stopwordSet = set(stopwords.split('\n'))
# words = jieba.lcut(content)
result=''
# for w in words:
# if w not in stopwords:
# result += w.encode('utf-8') # +"/"+str(w.flag)+" " #去停用词
# v 动词
#
# vd 副动词
#
# vn 名动词
#
# vshi 动词“是”
#
# vyou 动词“有”
#
# vf 趋向动词
#
# vx 形式动词
#
# vi 不及物动词（内动词）
#
# vl 动词性惯用语
#
# vg 动词性语素
words = pseg.lcut(content)
for word, flag in words:
if (word not in stopwordSet and flag not in ["/x","/zg","/uj","/ul","/e","/d","/uz","/y","/v","/vd","/vn","/vshi","/vyou","/v","/vf","/vx","/vi","/vl","/vg"]): #去停用词和其他词性，比如非名词动词等
# if (word not in stopwords and flag in ["/n","/a","/d"]): #去停用词和其他词性，比如非名词动词等
result += word.encode('utf-8') # +"/"+str(w.flag)+" " #去停用词
# print result
return result
def parse_by_rules(self, text):
self.words = pseg.lcut(parse_cn_number(text), HMM=False)
while self.has_next():
beginning = self.get_index()
self.consume_repeat()
self.consume_year_period() \
or self.consume_month_period() \
or self.consume_day_period()
self.consume_weekday_period() \
or self.consume_hour_period() \
or self.consume_minute_period() \
or self.consume_second_period()
self.consume_year() \
or self.consume_month() \
or self.consume_day()
self.consume_hour()
if self.get_index() != beginning:
# Time found
self.consume_word(u'准时')
if self.consume_word(u'提醒'):
self.consume_word(u'我')
if self.current_tag() == 'v' and self.peek_next_word() == u'我':
self.advance(2)
self.consume_to_end()
# Donot set event to None,since serializer will just skip None and we will have no chance to modify it
remind = Remind(time=self.now, repeat=self.repeat, desc=text, event=self.do_what)
remind.reschedule()
return remind
else:
self.advance()
return None
def seg(self,
sentence,
sep=' ',
full_mode=False,
remove_stopword=False,
replace_number=False,
lowercase=True,
zhs2zht=True,
remove_url=True,
HMM=False,
):
"""
使用 jieba 分词进行分词
:param sentence: 待分词句子
:type sentence: str
:param sep: 将句子分完词之后使用什么字符连接，默认以空格连接.
:type sep: str
:param full_mode: jieba设置选项，是否使用full mode分词模式.
:type full_mode: bool
:param remove_stopword: 是否去除 stop word
:type remove_stopword: bool
:param replace_number: 是否把数字统一替换成字符 NUM
:type replace_number: bool
:param lowercase: 是否把字母转成小写
:type lowercase: bool
:param zhs2zht: 出現繁体的時候，是否转简体
:type zhs2zht: bool
:param remove_url: 是否移除 微博url，包含t.cn的url，比如：http://t.cn/开头的地址或者//t.cn/R50TdMg
:type remove_url: bool
:param HMM: 是否启用HMM发现新词模式，默认为False
:type HMM: bool
:return: 返回分词后字符串,seg_srt
:rtype: str
"""
# 先去除所有空格
sentence = sentence.replace(' ', '')
if lowercase:
# 转成小写
sentence = sentence.lower()
if zhs2zht:
# 繁体转简体
sentence = self.convert_to_simple_chinese(sentence)
if remove_url:
# sentence = re.sub(u'(http:)//t.cn/[a-zA-Z0-9]*$', '', sentence)
sentence = re.sub(u'(http:|)//t.cn/[a-zA-Z0-9]+', '', sentence)
# 数字对模式匹配
num_pattern = re.compile('[0-9][0-9\.]*$')
words = []
for item in jieba.lcut(sentence, HMM=False):
if num_pattern.match(item):
# 匹配上数字
if not replace_number:
words.append(item)
elif item not in self.exclude_word_list:
word = num_pattern.sub('NUMBER', item)
words.append(word)
if self.verbose > 1:
logging.debug(u'句子（%s）将数字："%s" 替换成标记："NUMBER"' % (sentence, item))
print(u'句子（%s）将数字："%s" 替换成标记："NUMBER"' % (sentence, item))
else:
words.append(item)
elif remove_stopword and item in self.stopword_list:
# 移除 stop words
if self.verbose > 1:
logging.debug(u'句子（%s）去除stopwords：%s' % (sentence, item))
else:
# 其他词如果词性是 x， 则识别到标点符号
is_x = False
for word, pos in jseg.lcut(item, HMM=HMM):
# print word,pos
if pos in ['x']:
is_x = True
# words.append(word)
if is_x:
# 标点符号
# print item
if self.verbose > 1:
logging.debug(u'句子（%s）将标点符号："%s"替换成""' % (sentence, ''))
else:
words.append(item)
sentence = ' '.join(words)
# print sentence
# print sentence
seg_list = jieba.lcut(sentence, cut_all=full_mode)
# print seg_list
seg_list = [item for item in seg_list if len(item.strip()) != 0]
# print seg_list
seg_srt = sep.join(seg_list)
return seg_srt
]
for sent, seg in testlist:
print('/'.join(jieba.cut(sent, HMM=False)))
word = ''.join(seg)
print('%s Before: %s, After: %s' % (word, jieba.get_FREQ(word), jieba.suggest_freq(seg, True)))
print('/'.join(jieba.cut(sent, HMM=False)))
print("-"*40)
# quit()
jieba.add_word('石墨烯')
seg_list = jieba.cut(p, cut_all=True)
print("Full Mode: " + "/ ".join(seg_list)) # 全模式
seg_list = jieba.cut(p, cut_all=False)
print("Default Mode: " + "/ ".join(seg_list)) # 精确模式
seg_list = jieba.cut(p) # 默认是精确模式
print(", ".join(seg_list))
seg_list = jieba.cut_for_search(p) # 搜索引擎模式
print(", ".join(seg_list))
print jieba.suggest_freq(('好','我'))
print jieba.suggest_freq(('走','了'))
print ','.join(jieba.lcut(p))
print ','.join(jieba.lcut_for_search(p))
print ','.join(['%s/%s'%(i,j) for i,j in pseg.lcut(p)])
def extract(input_string):
sentences = input_string.split(" ")
seg_list = [ item for sentence in sentences for item in pseg.lcut(sentence) ]
for word, flag in seg_list:
print word, flag
return [[word,flag] for word,flag in seg_list]
def __analyse_clause(self, the_clause, runout_filepath, print_show):
sub_clause = {"score": 0, "positive": [], "negative": [], "conjunction": [], "punctuation": [], "pattern": []}
seg_result = posseg.lcut(the_clause)
# 将分句及分词结果写进运行输出文件，以便复查
if runout_filepath is not None:
self.__write_runout_file(runout_filepath, the_clause + '\n')
self.__write_runout_file(runout_filepath, str(seg_result) + '\n')
if print_show:
print(the_clause)
print(seg_result)
# 判断句式：如果……就好了
judgement = self.__is_clause_pattern2(the_clause)
if judgement != "":
sub_clause["pattern"].append(judgement)
sub_clause["score"] -= judgement["value"]
return sub_clause
# 判断句式：是…不是…
judgement = self.__is_clause_pattern1(the_clause)
if judgement != "":
sub_clause["pattern"].append(judgement)
sub_clause["score"] -= judgement["value"]
# 判断句式：短语
judgement = self.__is_clause_pattern3(the_clause, seg_result)
if judgement != "":
sub_clause["score"] += judgement["score"]
if judgement["score"] >= 0:
sub_clause["positive"].append(judgement)
elif judgement["score"] < 0:
sub_clause["negative"].append(judgement)
match_result = judgement["key"].split(":")[-1]
i = 0
while i < len(seg_result):
if seg_result[i].word in match_result:
if i + 1 == len(seg_result) or seg_result[i + 1].word in match_result:
del (seg_result[i])
continue
i += 1
# 逐个分析分词
for i in range(len(seg_result)):
mark, result = self.__analyse_word(seg_result[i].word, seg_result, i)
if mark == 0:
continue
elif mark == 1:
sub_clause["conjunction"].append(result)
elif mark == 2:
sub_clause["punctuation"].append(result)
elif mark == 3:
sub_clause["positive"].append(result)
sub_clause["score"] += result["score"]
elif mark == 4:
sub_clause["negative"].append(result)
sub_clause["score"] -= result["score"]
# 综合连词的情感值
for a_conjunction in sub_clause["conjunction"]:
sub_clause["score"] *= a_conjunction["value"]
# 综合标点符号的情感值
for a_punctuation in sub_clause["punctuation"]:
sub_clause["score"] *= a_punctuation["value"]
return sub_clause
def pos_seg(word):
# for items in jseg.lcut(word):
# print items.flag,items.word
return jseg.lcut(word)[0].flag
