Python使用笔记20--网络操作小练习

 1 '''
 2 2、自己抓取qq群的接口，传入一个群号，然后把群成员的头像下载到本地，头像用群备注来命名，如果没有
 3     群备注，那么取昵称。
 4 '''
 5 import requests
 6 import json
 7 import os
 8 import math
 9 #1.获取QQ群的详细信息,547488314
10 def get_qq_qun(qun_id):
11     st = 0
12     count_num = 20
13     if not os.path.exists(qun_id):#文件夹不存在，则创建文件夹
14         create_dir(qun_id)
15     result = get_qq_mems(st,count_num,qun_id)
16     if result.get('ec')==0:#查询结果正常，则进行文件下载
17         mems = result.get('mems')#获取群成员信息
18         count = result.get('count')
19         num = math.ceil(count / 20)
20         if num - 1:
21             for i in range(1, num):
22                 result = get_qq_mems(i*20+1,(i+1)*20,qun_id)
23                 mems.extend(result.get('mems'))
24         print(mems)
25         #遍历群人员
26         for mem_value in mems:
27             qq_id = mem_value.get('uin')#获取QQ号
28             file_name = mem_value.get('card')#获取群昵称
29             if not file_name:#如果没有设置群昵称，再去QQ名作为图片名称
30                 file_name = mem_value.get('nick')#获取QQ名
31             file_path = os.path.join(qun_id,file_name+'.jpg')
32             download_file(qq_id,file_path)
33     else:
34         print('查询的群号不存在')
35
36 #根据群号，生成一个文件夹
37 def create_dir(qun_id):
38     os.mkdir(qun_id)
39
40 def get_qq_mems(st,end,qun_id):
41     url = 'https://qun.qq.com/cgi-bin/qun_mgr/search_group_members'
42     header = {
43         'cookie': 'pgv_pvi=7783950336; pgv_pvid=8908705984; RK=x9TQxyyNRp; ptcz=d3d09a82f55c4d70013f0c76c2999c164031500b8ad8275f2cedc1ad7eb6f645; o_cookie=1123414020; traceid=6f6efca146; _qpsvr_localtk=0.005001799721190858; pgv_si=s4205858816; uin=o1123414020; skey=@XUs5S2laR; p_uin=o1123414020; pt4_token=B8-mX9kPLmZrpQL4p6S2rDtH4IfDGzXc9eBivmJ69wY_; p_skey=Kh3ON2RcyAF8VPN9Urrq5odRjKTsYtqxq7npoaGsciM_'}
44     d = {'gc': qun_id, 'st': st, 'end': end, 'sort': 0, 'bkn': '1257936798'}
45     req = requests.post(url, data=d, headers=header)
46     return req.json()
47
48 def download_file(qq_id,file_path):
49     url = 'https://q4.qlogo.cn/g?b=qq&nk=%s&s=140'%qq_id
50     req = requests.get(url)
51     content = req.content
52     file = open(file_path, 'wb')
53     file.write(content)
54     file.close()
55
56 get_qq_qun('hjhkhkj')