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黑板客爬虫闯关.py
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黑板客爬虫闯关.py
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# 第一关
# from bs4 import BeautifulSoup
# import requests
# import re
# import time
#
# url = 'http://www.heibanke.com/lesson/crawler_ex00/'
# print('爬虫闯关开始...{}'.format(time.ctime()))
# while 1:
# print('访问页面...{}'.format(url))
# response = requests.get(url).text
# soup = BeautifulSoup(response,'html.parser')
# massages = soup.select('h3')
# print(massages[0].text)
# num = re.findall('\d+',massages[0].text)
# if num == []:
# print('闯关成功...{}'.format(time.ctime()))
# break
# else:
# url = 'http://www.heibanke.com/lesson/crawler_ex00/'+ num[0]
# 第二关
# import requests
#
# url = 'http://www.heibanke.com/lesson/crawler_ex01/'
# datas = {'username':'louis','password':'1'}
# for i in range(31):
# datas['password'] = i
# print('传入的参数...{}'.format(datas))
# response = requests.post(url,data=datas)
# if '成功'in response.text:
# print('闯关成功...{}'.format(datas))
# break
# else:
# print('继续努力....')
# 第三关
# import requests
#
# url = 'http://www.heibanke.com/lesson/crawler_ex02/'
# login_url = 'http://www.heibanke.com/accounts/login/?next=/lesson/crawler_ex02/'
# login_data = {'username':'louis','password':'123456'}
#
#
# response = requests.get(login_url)
# cookies = response.cookies# 获取未登录时候cookies
#
# login_data['csrfmiddlewaretoken']=cookies['csrftoken']
# login_response = requests.post(login_url,allow_redirects=False,data=login_data,cookies=cookies) #allow_redirects不允许重定向
# #因为要获取登录成功状态的cookies，在下次打开url时候，知道用户已经登录，然后跳转到真正的测试页面
# login_cookies = login_response.cookies# 获取登录成功的cookies
#
# guess_data ={'username':'louis','password':'1','csrfmiddlewaretoken':login_cookies['csrftoken']}
# for i in range(31):
# guess_data['password']=i
# print('尝试登录密码..{}'.format(guess_data['password']))
# guess_result = requests.post(url,data=guess_data,cookies=login_cookies)
# if '成功' in guess_result.text:
# print('\033[0;32;m登录成功密码....{}\033[0m'.format(guess_data['password']))
# break
# else:
# print('\033[0;31;m继续努力.....\033[0m')
# 第四关，单线程
# import requests
# import re
# import time
#
# def login(login_url):
# response = requests.get(login_url)
# cookies = response.cookies# 获取未登录时候cookies
# login_data['csrfmiddlewaretoken']=cookies['csrftoken']
# login_response = requests.post(login_url,allow_redirects=False,data=login_data,cookies=cookies) #allow_redirects不允许重定向
# #因为要获取登录成功状态的cookies，在下次打开url时候，知道用户已经登录，然后跳转到真正的测试页面
# login_cookies = login_response.cookies# 获取登录成功的cookies
# return login_cookies
#
# def guess(parrent_pos,parrent_val,login_cookies):
# global passwords
# while 1 :
# rep = requests.get('http://www.heibanke.com/lesson/crawler_ex03/pw_list/?page=1',cookies=login_cookies)
# print('响应状态码:{}'.format(rep.status_code))
# response = rep.text
# pos = re.findall(parrent_pos,response)
# vals = re.findall(parrent_val,response)
# for i in range(len(pos)):
# passwords[int(pos[i])-1]=(vals[i])
# if '' in passwords:
# print('获取到密码:{}'.format(int(''.join(passwords))))
# else:
# int_pass = int(''.join(passwords))
# break
# return int_pass
#
# def main(url,login_url):
# parrent_pos = re.compile('td\s.*?password_pos\">(\d+)</td>')
# parrent_val = re.compile('td\s.*?password_val\">(\d+)</td>')
# print(time.ctime())
# login_cookies = login(login_url)
# print('\033[0;32;m成功连线\033[0m')
# int_pass = guess(parrent_pos,parrent_val,login_cookies)
# print('\033[0;31;m拿到密码尝试登录.................\033[0m')
# while 1:
# guess_data = {'username':'louis','password':int_pass,'csrfmiddlewaretoken':login_cookies['csrftoken']}
# login_ = requests.post(url,data=guess_data,cookies=login_cookies)
# if '成功' in login_.text:
# print('\033[0;32;m登录成功密码....{}\033[0m'.format(int_pass))
# break
# else:
# print('\033[0;31;m继续努力.....\033[0m')
# int_pass = guess(parrent_pos, parrent_val, login_cookies)
# print(time.ctime())
#
# if __name__== '__main__':
# url = 'http://www.heibanke.com/lesson/crawler_ex03/'
# login_url = 'http://www.heibanke.com/accounts/login/?next=/lesson/crawler_ex03/'
# login_data = {'username': 'louis', 'password': '123456'}
# passwords = ['' for i in range(100)]
# main(url,login_url)
# 第四关，多线程
import requests
import re
import time
import threading
def login(login_url):
response = requests.get(login_url)
cookies = response.cookies# 获取未登录时候cookies
login_data['csrfmiddlewaretoken']=cookies['csrftoken']
login_response = requests.post(login_url,allow_redirects=False,data=login_data,cookies=cookies) #allow_redirects不允许重定向
#因为要获取登录成功状态的cookies，在下次打开url时候，知道用户已经登录，然后跳转到真正的测试页面
login_cookies = login_response.cookies# 获取登录成功的cookies
return login_cookies
class MyThread(threading.Thread):
def __init__(self ,func ,args=()):
super(MyThread ,self).__init__()
self.func = func
self.args = args
def run(self):
self.result = self.func(*self.args)
def get_result(self):
try:
return self.result
except Exception:
return None
def guess(parrent_pos,parrent_val,login_cookies):
global passwords
while 1 :
rep = requests.get('http://www.heibanke.com/lesson/crawler_ex03/pw_list/?page=1',cookies=login_cookies)
print('\033[0;32;m响应状态码:{}\033[0m'.format(rep.status_code))
response = rep.text
pos = re.findall(parrent_pos,response)
vals = re.findall(parrent_val,response)
for i in range(len(pos)):
passwords[int(pos[i])-1]=(vals[i])
if '' in passwords:
print(threading.current_thread().getName(),' 获取到密码:{}'.format(''.join(passwords)))
else:
int_pass = int(''.join(passwords))
break
return int_pass
def main(url,login_url):
parrent_pos = re.compile('td\s.*?password_pos\">(\d+)</td>')
parrent_val = re.compile('td\s.*?password_val\">(\d+)</td>')
print(time.ctime())
start = time.time()
login_cookies = login(login_url)
print('\033[0;32;m成功连线\033[0m')
li = []
for i in range(2):
t = MyThread(guess, args=(parrent_pos,parrent_val,login_cookies))
li.append(t)
t.start()
for t in li:
t.join() # 一定要join，不然主线程比子线程跑的快，会拿不到结果
int_pass = t.get_result()
print('get the password.....尝试登陆..............')
while 1:
guess_data = {'username':'louis','password':int_pass,'csrfmiddlewaretoken':login_cookies['csrftoken']}
login_ = requests.post(url,data=guess_data,cookies=login_cookies)
if '成功' in login_.text:
end =time.time()
print('\033[0;32;m登录成功密码....{}\033[0m'.format(guess_data))
print('\033[0;32;m总共运行时间....{}\033[0m'.format(end-start))
break
else:
print('\033[0;31;m继续努力.....\033[0m')
int_pass = guess(parrent_pos, parrent_val, login_cookies)
print(time.ctime())
if __name__== '__main__':
url = 'http://www.heibanke.com/lesson/crawler_ex03/'
login_url = 'http://www.heibanke.com/accounts/login/?next=/lesson/crawler_ex03/'
login_data = {'username': 'louis', 'password': '123456'}
passwords = ['' for i in range(100)]
main(url,login_url)