Second python spider

from bs4 import BeautifulSoup
import requests
import os
header = {
    'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3833.0 Safari/537.36',
    'Cookie':'你自己的'

}
web_head = 'http://www.zerobyw4.com'
rootpath = 'E:\File\Tmp\ ' #自己改
seq = '\ '
filend = '.jpg'

def mkdir(path):
    folder = os.path.exists(path)

    if not folder:  # 判断是否存在文件夹如果不存在则创建为文件夹
        os.makedirs(path)  # makedirs 创建文件时如果路径不存在会创建这个路径
        print
        "---  new folder...  ---"
        print
        "---  OK  ---"

    else:
        print
        "---  There is this folder!  ---"



def start():
    for NUM in range(1,46):
        url = 'http://www.zerobyw4.com/plugin.php?id=jameson_manhua&c=index&a=ku&&page=' +str(NUM)
        web_data = requests.get(url)
        Soup = BeautifulSoup(web_data.text, 'lxml')
        urls = Soup.select('div.uk-card > div > a')
        for each in urls:
            one(web_head+each.get('href')[1:])

def one(url):
    web_data = requests.get(url)
    Soup = BeautifulSoup(web_data.text, 'lxml')
    details = Soup.select('a.uk-button-default')
    title = Soup.select('h3.uk-heading-line')
    folderpath = ''
    for each in title:
        if len(each.get_text()) > 4:
            folderpath = rootpath[:-1] + each.get_text()
            mkdir(folderpath)
            break
    chapterNum = 0
    for each in details:
        filepath = folderpath+seq[0]+str(chapterNum)
        mkdir(filepath)
        chapterNum = chapterNum+1
        realimg(web_head+each.get('href')[1:],filepath)


def realimg(url,filepath):
    web_data = requests.get(url,headers=header)
    Soup = BeautifulSoup(web_data.text, 'lxml')
    imgs = Soup.select('div.mb0 > img')
    NUM = 0
    for img in imgs:
        downimg(img.get('src'),filepath,NUM)
        NUM = NUM+1


def downimg(url,filepath,NUM):
    r = requests.get(url, stream=True)
    if r.status_code != 200:
        return
    filename = filepath+seq[0]+str(NUM)+filend
    with open(filename, 'wb') as code:
       for img_data in r.iter_content(128):
           code.write(img_data)

start()