#coding:gbk

'''

作者：王冠超

程序目标：获取小说《黎明破晓的街道》里的人物出现频率及人物关系。

'''

import re

import jieba

from collections import Counter

characters = ['渡部','秋叶','有美子','仲西达彦','新谷','妙子','园美','芦原','钉宫真纪子','本条'] #小说里的主要人物

for character in characters:

jieba.add_word(character) #加进jieba字典里

#初始化容器分别存储每行的人物名和人物关系

line_names = list()

relationships = {i:dict() for i in characters}

character_attention = list()

#预处理文本并统计人物频率作为节点权重

with open('黎明破晓的街道.txt','r',encoding = 'utf-8')as f:

for line in f.readlines():

#找出每行问题中出现的人物名

tmp_line_names = [word for word in jieba.cut(line) if word in characters]

character_attention += tmp_line_names

if len(tmp_line_names) > 1:

line_names.append(tmp_line_names)

#统计人物出场频率

character_counter = Counter(character_attention)

#统计人物关系（以每行一起出现的次数代表人物关系）

for line in line_names:

for character1 in line:

for character2 in line:

if character1 == character2:

continue

if character2 not in relationships[character1]:

relationships[character1][character2] = 1

else:

relationships[character1][character2] += 1

#保存结果

with open('node.csv','w') as f:

f.write('Id,Label,Weight\n')

for name, times in character_counter.items():

f.write('{},{},{}\n'.format(name,name,times))

with open('edge.csv','w') as f:

f.write('Source,Target,Weight,Type\n')

for name, edges in relationships.items():

for v,w in edges.items():

if w>0:

f.write("{},{},{},{}\n".format(name,v,str(w),'undirected'))