使用Python更换外网IP的方法

import base64, requests, time, re
 
base_url = 'http://192.168.1.1'
user = 'admin'
pwd = 'password'
 
headers = {
  'Accept': '*/*',
  'User-Agent': 'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET4.0C; .NET4.0E)',
  'Referer': base_url + '/userRpm/StatusRpm.htm',
  'Cookie': 'Authorization=Basic ' + base64.b64encode((user + ':' + pwd).encode(encoding='utf-8')).decode(
    encoding='utf-8')
}
 
 
def get_ip():
  url = "http://2018.ip138.com/ic.asp"
  r = requests.get(url)
  txt = r.text
  ip = txt[txt.find("[") + 1: txt.find("]")]
  return ip
 
 
def get_ip_status():
  url = base_url + "/userRpm/StatusRpm.htm"
  r = requests.get(url=url, headers=headers)
  pattern = re.compile('(\d+\.\d+\.\d+\.\d+)')
  ip = re.findall(pattern,r.text)
  return ip[3]
 
 
def change_ip():
  url = base_url + '/userRpm/StatusRpm.htm?Disconnect=%B6%CF%20%CF%DF&wan=1'
  requests.get(url=url, headers=headers)
  while True:
    time.sleep(5)
    new_ip = get_ip_status()
    if new_ip != '0.0.0.0':
      break
 
if __name__ == "__main__":
  change_ip()