python抓取搜狗微信公众号文章

初学python，抓取搜狗微信公众号文章存入mysql

mysql表：

代码：

import requests
import json
import re
import pymysql
 
# 创建连接
conn = pymysql.connect(host='你的数据库地址', port=端口, user='用户名', passwd='密码', db='数据库名称', charset='utf8')
# 创建游标
cursor = conn.cursor()

cursor.execute("select * from hd_gzh")
effect_row = cursor.fetchall()
from bs4 import BeautifulSoup

socket.setdefaulttimeout(60)
count = 1
headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:65.0) Gecko/20100101 Firefox/65.0'}
#阿布云ip代理暂时不用
# proxyHost = "http-cla.abuyun.com"
# proxyPort = "9030"
# # 代理隧道验证信息
# proxyUser = "H56761606429T7UC"
# proxyPass = "9168EB00C4167176"

# proxyMeta = "http://%(user)s:%(pass)s@%(host)s:%(port)s" % {
#  "host" : proxyHost,
#  "port" : proxyPort,
#  "user" : proxyUser,
#  "pass" : proxyPass,
# }

# proxies = {
#   "http" : proxyMeta,
#   "https" : proxyMeta,
# }

#查看是否已存在数据
def checkData(name):
  sql = "select * from gzh_article where title = "%s""
  data = (name,)
  count = cursor.execute(sql % data)
  conn.commit()
  if(count!=0):
    return False
  else:
    return True
#插入数据
def insertData(title,picture,author,content):
  sql = "insert into gzh_article (title,picture,author,content) values ('%s', '%s','%s', '%s')"
  data = (title,picture,author,content)
  cursor.execute(sql % data)
  conn.commit()
  print("插入一条数据")
  return
  
for row in effect_row:
  newsurl = 'https://weixin.sogou.com/weixin?type=1&s_from=input&query=' + row[1] + '&ie=utf8&_sug_=n&_sug_type_='
  res = requests.get(newsurl,headers=headers)
  res.encoding = 'utf-8'
  soup = BeautifulSoup(res.text,'html.parser')
  url = 'https://weixin.sogou.com' + soup.select('.tit a')[0]['href']
  res2 = requests.get(url,headers=headers)
  res2.encoding = 'utf-8'
  soup2 = BeautifulSoup(res2.text,'html.parser')
  pattern = re.compile(r"url \+= '(.*?)';", re.MULTILINE | re.DOTALL)
  script = soup2.find("script")
  url2 = pattern.search(script.text).group(1)
  res3 = requests.get(url2,headers=headers)
  res3.encoding = 'utf-8'
  soup3 = BeautifulSoup(res3.text,'html.parser')
  print()
  pattern2 = re.compile(r"var msgList = (.*?);$", re.MULTILINE | re.DOTALL)
  script2 = soup3.find("script", text=pattern2)
  s2 = json.loads(pattern2.search(script2.text).group(1))
  #等待10s
  time.sleep(10)
  
  for news in s2["list"]:
    articleurl = "https://mp.weixin.qq.com"+news["app_msg_ext_info"]["content_url"]
    articleurl = articleurl.replace('&','&')
    res4 = requests.get(articleurl,headers=headers)
    res4.encoding = 'utf-8'
    soup4 = BeautifulSoup(res4.text,'html.parser')
    if(checkData(news["app_msg_ext_info"]["title"])):
      insertData(news["app_msg_ext_info"]["title"],news["app_msg_ext_info"]["cover"],news["app_msg_ext_info"]["author"],pymysql.escape_string(str(soup4)))
    count += 1
    #等待5s
    time.sleep(10)
    for news2 in news["app_msg_ext_info"]["multi_app_msg_item_list"]:
      articleurl2 = "https://mp.weixin.qq.com"+news2["content_url"]
      articleurl2 = articleurl2.replace('&','&')
      res5 = requests.get(articleurl2,headers=headers)
      res5.encoding = 'utf-8'
      soup5 = BeautifulSoup(res5.text,'html.parser')
      if(checkData(news2["title"])):
        insertData(news2["title"],news2["cover"],news2["author"],pymysql.escape_string(str(soup5)))
      count += 1
      #等待10s
      time.sleep(10)
cursor.close()
conn.close()
print("操作完成")

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