Python爬虫：wallhaven图片爬取

import re
import requests

headers = {
    'Cookie':"cookie自己在F12网络中获取 不提供"
}

def toplist():
    a = 0
    one_page_re = '
    for i in range(0,29):
        url = "https://wallhaven.cc/hot?page="+str(i)
        response = requests.get(url,headers).text
        result_page = re.findall(one_page_re,response,re.S)
        for i in result_page:
            re_two_page = ') as f:
                        f.write(response)
                    f.close()
                    print(">>save=="+str(a)+"==picture success!<<")
                except:
                    print(">>save==" + str(a) + "==picture failed!<<")
                    continue

def random():
    a = 0
    re_one_page = '
    re_all_page = 'title=".*?">(\d+.?\d*)'
    url = 'https://wallhaven.cc/random?seed=SuMDKp&page=2'
    response = requests.get(url).text
    all_page_num = re.findall(re_all_page,response,re.S)
    for i in range(0,int(all_page_num[8])):
        url = 'https://wallhaven.cc/random?seed=SuMDKp&page='+str(i)
        response_pic_text = requests.get(url,headers).text
        pic_url = re.findall(re_one_page,response_pic_text,re.S)
        print('Now page is :'+str(i))
        if len(pic_url) > 0:
            for i in pic_url:
                response_url_get_text = requests.get(i,headers).text
                re_url_get_url = ') as f:
                            f.write(response)
                        f.close()
                        print(">>save==" + str(a) + "==picture success!<<")
                    except:
                        print(">>save==" + str(a) + "==picture failed!<<")
                        continue
        else:
            continue

if __name__ == '__main__':
    print("<----------------------------------------->")
    print("welcome To wallhave download picture script")
    print("Download hot picture Enter >> 1 <<")
    print("Download random picture Enter >> 2 <<")
    print("Download path default is : C:/Users/Administrator/Pictures/")
    print("<----------------------------------------->")
    a = input("Enter You choose:")
    if (int(a) == 1):
        toplist()
    elif(int(a) == 2):
        random()
    else:
        print("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx")
        print("You Enter num error please try!")
        print("Thank you for using this software. Please restart the software and use it again!")
        print("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx")

没有做png和jpg判断！！！