Use iTunes and iTools to extract Wechat chat history

wechat_wordcloud.py

# -*- coding:utf-8 -*-
import os
import re
import jieba.analyse
import matplotlib.pyplot as plt
from wordcloud import WordCloud

__author__ = 'wittyfilter'

data = []
jieba.analyse.set_stop_words("stopwords.txt")
pattern = re.compile(r'\d{4}-\d{1,2}-\d{1,2}\s\d{1,2}:\d{1,2}|接收|发送|未知类型|网页消息|系统通知|文字|表情|图片|视频|我|[？?]|、|[！!]|。')

# Replace xxx with your chat history file
with open("xxx.txt") as f:
    mytext = f.readlines()
for line in mytext:
    line = re.sub(pattern, '', line)
    data.extend(jieba.analyse.extract_tags(line, topK=20))
data = " ".join(data)
wordcloud = WordCloud(width=640,
        height=480,
        collocations=False,
        font_path='Songti',
        background_color='white',
    ).generate(data)

# Replace xxx with your own name
plt.title('xxx')
plt.imshow(wordcloud, interpolation="bilinear")
plt.axis('off')
plt.savefig('xxx.jpg', dpi=1600)