N05 - CSS Sprites （雪碧图）反爬

# coding=utf-8
import os.path

import requests
from lxml import etree
import time

base_url = 'https://www.spiderbuf.cn/playground/n05'

myheaders = {
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.164 Safari/537.36'}

def getHTML(url,file_name=''):
    html_bytes = requests.get(url, headers=myheaders).content
    html = html_bytes.decode()
    if file_name != '':
        with open(file_name, 'w', encoding='utf-8') as f:
            f.write(html)
    return html



def parseHTML(html):
    class_map = {'sprite abcdef':'0',
                'sprite ghijkl':'1',
                'sprite mnopqr':'2',
                'sprite uvwxyz':'3',
                'sprite yzabcd':'4',
                'sprite efghij':'5',
                'sprite klmnop':'6',
                'sprite qrstuv':'7',
                'sprite wxyzab':'8',
                'sprite cdefgh':'9'}
    # parse html source code here
    root = etree.HTML(html)
    divs = root.xpath('//div[@style="margin-bottom: 30px;"]')

    for div in divs:
        titles = div.xpath('./h2')
        title = ''
        if len(titles) > 0:
            title = titles[0].text
            print(title)

        amount_spans = div.xpath('./p/span[@class]')
        amount_str = ''
        for span in amount_spans:
            attr_class = span.attrib["class"] if "class" in span.attrib else ""
            # print(f"{span} - {attr_class}")
            # print(span.text)
            amount_str += class_map[attr_class]
        print(amount_str)



if __name__ == '__main__':
    html = getHTML(base_url, './data/n05/n05.html')
    parseHTML(html)