写在前面
itchat基于python开发,封装了大量调取微信功能的接口,使得开发人员可以快速基于这个框架来完成一些微信操作,在这之前我们要做的就是扫码登录,实际上这相当于登录网页版的微信(新注册的账号似乎不支持)。更多介绍在官网和Github上都有详细的文档。
下面介绍基于itchat完成微信数据(好友、群聊等)的分析和展示。
环境说明
- python3
- numpy
- matplotlib
- pillow
相关代码
- wx_itchat.py
import os
import math
import itchat
import numpy as np
import PIL.Image as Image
import matplotlib.pyplot as plt
# 抽取出来的工具类
from utils import match_util
class WxChat(object):
def __init__(self):
"""初始化(扫码登录或手机端确认)"""
itchat.auto_login(hotReload=True)
# 登录用户
self.login_user = None
# 好友总数
self.num_of_friend = 0
# 男性好友数
self.male_num = 0
# 女性好友数
self.female_num = 0
# 未知性别好友数
self.unknown_gender = 0
# K=省名 V=人数
self.num_of_province = {}
# 未知省份
self.unknown_province = '其它'
# 绘图大小
plt.figure(figsize=(6.4, 4.8))
# 图片存放文件夹
self.images_dir = 'wxImages'
self.avatar_dir = '{}{}{}'.format(self.images_dir, os.sep, "avatarImages")
if not os.path.exists(self.images_dir):
os.mkdir(self.images_dir)
os.mkdir(self.avatar_dir)
def _reset_data(self):
"""数据重置"""
self.male_num = 0
self.female_num = 0
self.unknown_gender = 0
self.num_of_province = {}
def analysis_friends(self):
"""获取好友列表 , 第一个是本人"""
print("--->开始分析您的好友数据")
all_user = itchat.get_friends(update=True)
self.login_user = all_user[0]
self.num_of_friend = len(all_user) - 1
friends = all_user[1:]
for i, friend in enumerate(friends):
self._count_sex(friend['Sex'])
self._count_province(friend['Province'])
nickname = friend['NickName'] # 昵称
remark = friend['RemarkName'] # 备注
signature = ''.join(friend['Signature'].split()) # 个性签名
# city = friend['City'] # 所在城市
# 下载好友头像(不包括自己)
avatar_data = itchat.get_head_img(userName=friend["UserName"])
with open("{}{}{}.jpg".format(self.avatar_dir, os.sep, i), 'wb') as f:
f.write(avatar_data)
print("%d.好友昵称: %s ,备注: %s ,个性签名: %s " % (i + 1, nickname, remark, signature))
print('共有 %d 位微信好友 , 其中男性好友 %d 位,女性好友 %d 位 , %d 位未知性别好友' % (
self.num_of_friend, self.male_num, self.female_num, self.unknown_gender))
# 省份数据处理(可选)
self._handle_province(self.num_of_friend)
# 绘制性别柱图, 绘制省份饼图(可选)
title = 'WeChatFriends'
wx._plt_gender_bar(title), wx._plt_province_pie(title)
# 将头像拼图(可选)
self._puzzle_avatar(title)
self._reset_data()
def analysis_chat_rooms(self):
"""获取群聊列表"""
print("--->开始分析您的群聊数据")
chat_rooms = itchat.get_chatrooms(update=True)
for chat_room in chat_rooms[:-1]:
chat_room_name = chat_room['NickName'] # 群聊名称
user_name = chat_room['UserName'] # 群聊id标志
room = itchat.update_chatroom(user_name, detailedMember=True)
member_count = room['MemberCount'] # 群聊人数
# 群聊用户列表
for member in room['MemberList']:
# avatar = 'https://wx.qq.com'.format(member['HeadImgUrl']) # 头像
self._count_sex(member['Sex'])
self._count_province(member['Province'])
print('群聊 %s 共有 %d 人 , 其中 %d 位男性 , %d 位女性 , %d 位性别未知' % (
chat_room_name, member_count, self.male_num, self.female_num, self.unknown_gender))
# 省份数据处理(可选)
self._handle_province(member_count)
# 绘制性别柱图, 省份饼图(可选)
self._plt_gender_bar(chat_room_name), self._plt_province_pie(chat_room_name)
self._reset_data()
def _count_sex(self, sex):
"""统计性别情况"""
# 0-未知 , 1-男 , 2-女
if sex == 1:
self.male_num += 1
elif sex == 2:
self.female_num += 1
else:
self.unknown_gender += 1
def _count_province(self, province_name):
"""统计省份情况"""
if not province_name or not match_util.is_all_chinese(province_name):
# 未设置省份名或非国内城市
other_province_num = self.num_of_province.get(self.unknown_province)
self.num_of_province.__setitem__(self.unknown_province,
1 if other_province_num is None else other_province_num + 1)
else:
province_num = self.num_of_province.get(province_name)
self.num_of_province.__setitem__(province_name, 1 if province_num is None else province_num + 1)
def _handle_province(self, member_count):
"""处理所在省份人数占比较低(少于2%)的数据
:param member_count: 总人数
"""
for province in list(self.num_of_province.keys()):
number = self.num_of_province[province]
if number / member_count < .02:
other_province_num = self.num_of_province.get(self.unknown_province)
self.num_of_province.__setitem__(self.unknown_province, other_province_num + number)
del self.num_of_province[province]
def _plt_gender_bar(self, title):
""" 绘制性别柱状图
:param title: 名称
"""
plt.bar('男', self.male_num, color='yellow')
plt.bar('女', self.female_num, color='pink')
plt.bar('未知', self.unknown_gender, color='gray')
plt.xlabel('性别'), plt.ylabel('人数'), plt.title(title)
for a, b in zip([0, 1, 2], np.array([self.male_num, self.female_num, self.unknown_gender])):
plt.text(a, b, '%.0f' % b, ha='center', va='bottom')
plt.savefig('{}{}{}(性别统计).png'.format(self.images_dir, os.sep, title))
plt.show()
def _plt_province_pie(self, title):
""" 绘制省份圆饼图
:param title: 名称
"""
data = np.array(list(self.num_of_province.values()))
labels = list(self.num_of_province.keys())
plt.pie(data, labels=labels, autopct='%.1f%%', )
plt.axis('equal')
plt.legend(loc=2, prop={'size': 5.5})
plt.title(title)
plt.savefig('{}{}{}(省份分布).png'.format(self.images_dir, os.sep, title))
plt.show()
def _puzzle_avatar(self, title='wx'):
"""用pillow拼图"""
pic_size = 1080 # (正方形)
avatar_size = int(math.sqrt(float(pic_size * pic_size) / self.num_of_friend)) # 定义头像的尺寸
lines = int(pic_size / avatar_size) + 1 # 一共要画多少行
new_image = Image.new('RGB', (pic_size, pic_size)) # 定义空白底图
x, y = 0, 0 # 起始坐标
for i in range(0, self.num_of_friend):
try:
img = Image.open("{}{}{}.jpg".format(self.avatar_dir, os.sep, i))
except IOError:
print("Error: No file or Read file error")
else:
img = img.resize((avatar_size, avatar_size), Image.ANTIALIAS) # 调整原头像大小为定义尺寸
new_image.paste(img, (x * avatar_size, y * avatar_size)) # 将该头像绘制到底图
# 改变绘制坐标
x += 1
if x == lines:
x, y = 0, y + 1
file_path = '{}{}{}.jpg'.format(self.images_dir, os.sep, title)
new_image.save(file_path)
# 发送到手机上(可选)
self.send_image_to_filehelper(file_path)
@staticmethod
def send_msg_to_file_helper(msg):
"""给文件助手发消息"""
itchat.send(msg, 'filehelper')
@staticmethod
def send_image_to_filehelper(img):
"""给文件助手发图片"""
itchat.send_image(img, 'filehelper')
@staticmethod
def get_mps():
"""获取公众号列表"""
return itchat.get_mps()
@staticmethod
def logout():
"""退出登录"""
itchat.logout()
if __name__ == '__main__':
wx = WxChat()
# 分析微信好友
wx.analysis_friends()
# 分析微信群聊
wx.analysis_chat_rooms()
wx.logout()
- match_util.py
def is_all_chinese(text):
"""判断text是否全部为中文
:param text:
:return: True or False
"""
return u'\u4e00' <= text <= u'\u9fff'
效果展示
原是三张清晰的图片,这里截成一张图大概展示下效果。
饼图+柱状图+大合照文章已授权获得转载,原文地址:https://blog.mariojd.cn/use-python-to-analyze-wechat-friends.html
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