python微信好友数据分析详解
基于微信开放的个人号接口python库itchat，实现对微信好友的获取，并对省份、性别、微信签名做数据分析。
效果：
直接上代码，建三个空文本文件stopwords.txt，newdit.txt、unionWords.txt，下载字体simhei.ttf或删除字体要求的代码，就可以直接运行。
#wxfriends.py 2018-07-09
import itchat
import sys
import pandas as pd
import matplotlib.pyplot as plt
plt.rcParams['font.sans-serif']=['SimHei']#绘图时可以显示中文
plt.rcParams['axes.unicode_minus']=False#绘图时可以显示中文
import jieba
import jieba.posseg as pseg
from scipy.misc import imread
from wordcloud import WordCloud
from os import path
#解决编码问题
non_bmp_map = dict.fromkeys(range(0x10000, sys.maxunicode + 1), 0xfffd)
#获取好友信息
def getFriends():
friends = itchat.get_friends(update=True)[0:]
flists = []
for i in friends:
fdict={}
fdict['NickName']=i['NickName'].translate(non_bmp_map)
if i['Sex'] == 1:
fdict['Sex']='男'
elif i['Sex'] == 2:
fdict['Sex']='女'
else:
fdict['Sex']='雌雄同体'
if i['Province'] == '':
fdict['Province'] ='未知'
else:
fdict['Province']=i['Province']
fdict['City']=i['City']
fdict['Signature']=i['Signature']
flists.append(fdict)
return flists
#将好友信息保存成CSV
def saveCSV(lists):
df = pd.DataFrame(lists)
try:
df.to_csv("wxfriends.csv",index = True,encoding='gb18030')
except Exception as ret:
print(ret)
return df
#统计性别、省份字段
def anysys(df):
df_sex = pd.DataFrame(df['Sex'].value_counts())
df_province = pd.DataFrame(df['Province'].value_counts()[:15])
df_signature = pd.DataFrame(df['Signature'])
return df_sex,df_province,df_signature
#绘制柱状图，并保存
def draw_chart(df_list,x_feature):
try:
x = list(df_list.index)
ylist = df_list.values
y = []
for i in ylist :
for j in i:
y.append(j)
plt.bar(x,y,label=x_feature)
plt.legend()
plt.savefig(x_feature)
plt.close()
except:
print("绘图失败")
#解析取个性签名构成列表
def getSignList(signature):
sig_list = []
for i in signature.values:
for j in i:
sig_list.append(j.translate(non_bmp_map))
return sig_list
#分词处理，并根据需要填写停用词、自定义词、合并词替换
def segmentWords(txtlist):
stop_words = set(line.strip() for line in open('stopwords.txt', encoding='utf-8'))
newslist = []
#新增自定义词
jieba.load_userdict("newdit.txt")
for subject in txtlist:
if subject.isspace():
continue
word_list = pseg.cut(subject)
for word, flag in word_list:
if not word in stop_words and flag == 'n' or flag == 'eng' and word !='span' and word !='class':
newslist.append(word)
#合并指定的相似词
for line in open('unionWords.txt', encoding='utf-8'):
newline = line.encode('utf-8').decode('utf-8-sig') #解决\ufeff问题
unionlist = newline.split("*")
for j in range(1,len(unionlist)):
#wordDict[unionlist[0]] += wordDict.pop(unionlist[j],0)
for index,value in enumerate(newslist):
if value == unionlist[j]:
newslist[index] = unionlist[0]
return newslist
#高频词统计
def countWords(newslist):
wordDict = {}
for item in newslist:
wordDict[item] = wordDict.get(item,0) + 1
itemList = list(wordDict.items())
itemList.sort(key=lambda x:x[1],reverse=True)
for i in range(100):
word, count = itemList[i]
print("{}:{}".format(word,count))
#绘制词云
def drawPlant(newslist):
d = path.dirname(__file__)
mask_image = imread(path.join(d, "timg.png"))
content = ' '.join(newslist)
wordcloud = WordCloud(font_path='simhei.ttf', background_color="white",width=1300,height=620, max_words=200).generate(content) #mask=mask_image,
# Display the generated image:
plt.imshow(wordcloud)
plt.axis("off")
wordcloud.to_file('wordcloud.jpg')
plt.show()
def main():
#登陆微信
itchat.auto_login() # 登陆后不需要扫码 hotReload=True
flists = getFriends()
fdf = saveCSV(flists)
df_sex,df_province,df_signature = anysys(fdf)
draw_chart(df_sex,"性别")
draw_chart(df_province,"省份")
wordList = segmentWords(getSignList(df_signature))
countWords(wordList)
drawPlant(wordList)
main()
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