First python spider

from bs4 import BeautifulSoup
import requests
cookie = {}
def get_cookies():
    cookies_text = '你自己的'
    for each in cookies_text.split(';'):
        name,value = each.strip().split('=',1)
        cookie[name] = value
def downimg(url):
    filepath = 'E:\File\Tmp\ ' #自己写
    r = requests.get(url, stream=True)
    if r.status_code != 200:
        return
    with open(filepath[:-1]+url[-10:], 'wb') as code:
        for img_data in r.iter_content(128):
            code.write(img_data)


def realimg(url):
    web_data = requests.get(url,cookies=cookie)
    Soup = BeautifulSoup(web_data.text, 'lxml')
    imgs = Soup.select('#wallpaper')
    for img in imgs:
        downimg(img.get('src'))

def start(num):
    url = 'https://wallhaven.cc/search?categories=111&purity=111&sorting=date_added&order=desc&page='+num
    web_data = requests.get(url,cookies=cookie)
    Soup = BeautifulSoup(web_data.text, 'lxml')
    img_web_links = Soup.select('#thumbs > section > ul > li > figure > a.preview')
    for img_web in img_web_links:
        realimg(img_web.get('href'))


get_cookies()
for i in range(1,26514):
    start(str(i))