python 按照jieba分词后,再根据字典的词频进行排序输出
dict.txt
迅雷不及掩耳盗铃之势 1
掩耳盗铃 2
铃儿响叮当 3
当仁不让 5
让世界充满爱 3
让世界充满爱 5
迅雷不及 0
迅雷 0
掩耳 0
盗铃 0
实现代码
# -*- ecoding: utf-8 -*-
# @ModuleName: test002
# @Function:
# @Author: darling
# @Time: 2022-05-05 20:01
import jieba
from loguru import logger
jieba.set_dictionary("./dict.txt") # 指定dict.txt加载路径,为了方便部署,使用相对路径。
jieba.initialize() # jieba库初始化。
def read_headers(file_name):
with open(file_name, 'r', encoding='UTF-8') as file:
lines = file.readlines()
for line in lines:
if line == '\n':
continue
# 这里用的是[: ]进行拆分,因为value中也会存在冒号
ll = line.split(' ')
key = ll[0].strip()
val = ll[1].strip().replace('\n', '')
if val == '0':
continue
header[key] = int(val)
return header
# 拆词
def split_words(title):
split_dic = {}
words = []
try:
logger.info('输入的标题为:{}', title)
lcuts = jieba.lcut(title, cut_all=True)
# 排除单个字的,保留两个字以上的词语
list_lcuts = [x for x in lcuts if len(x) >= 2]
# 去重复性词语
list_lcuts = list(set(list_lcuts))
logger.info('lcuts可拆分为:{}', list_lcuts)
for list_lcut in list_lcuts:
# 获得字典的词频 词频不唯一
val = header.get(list_lcut)
# 生成新的字典
split_dic[list_lcut] = val
new_dic = sorted(split_dic.items(), key=lambda x: -x[1])
print(new_dic)
# words = [x for x in new_dic if x[0]]
for splits in new_dic:
words.append(splits[0])
logger.info('词频级排序后:{}', words)
# return list_words
except Exception as e:
logger.info('拆词异常:{}', e)
def sort1(arr):
return arr.sort()
if __name__ == "__main__":
header = {}
read_headers('./dict.txt')
split_words('迅雷不及掩耳盗铃儿响叮当仁不让世界充满爱之势,迅雷不及掩耳盗铃之势')
拓展
对字典,列表进行排序,升序/降序的方式
惜秦皇汉武,略输文采;唐宗宋祖,稍逊风骚。
一代天骄,成吉思汗,只识弯弓射大雕。
俱往矣,数风流人物,还看今朝