Python3 uses urllib to fetch the page where the username and password are logged in

#python34 # -*- coding: utf-8 -*- import http.cookiejar import urllib.error import urllib.parse import urllib.request LOGIN_URL = r'http://...... ' get_url = 'http://....... Username =input(' username :') password=input(' password :') values = {'username': username, 'password': password} postdata = urllib.parse.urlencode(values).encode() headers = { 'User-Agent': 'Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, Like Gecko) Chrome/58.0.3029.110 Safari/537.36'} cookie_filename = 'cookie_jar.txt' cookie_jar = 'cookie_jar ' http.cookiejar.MozillaCookieJar(cookie_filename) handler = urllib.request.HTTPCookieProcessor(cookie_jar) opener = urllib.request.build_opener(handler) request = urllib.request.Request(LOGIN_URL, postdata, headers) try: Response = open. open(request) # Save cookies to test.txt for cookies = list() for item in cookie_jar: cookies.append(item.name + '=' + item.value) print(cookies) with open('test.txt', 'w+', encoding='utf-8') as f: f.write('; '.join(cookies)) # Save cookies to local cookie_jar.txt #cookie_jar. Save (ignore_discard=True, ignore_expires=True) except urllib.error.URLError as e: print(e.code, ':', Get_request = urllib.request. request (get_url) get_response = opener.open(get_request) print(get_response.read().decode())