如何优雅的爬妹子网，手把手教你

 

前言
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作者：bihl

 

直接上代码，哈哈！！

from urllib import request
import os
from user_agents import ua_list
import time
import random
import re
import requests
from lxml import etree

class MeiziSpider():
    def __init__(self):
        self.url = "https://www.mzitu.com/all/"

    def get_html(self, url):
        headers = {"User-Agent": random.choice(ua_list)}
        req = request.Request(url=url, headers=headers)
        res = request.urlopen(req)
        html = res.read()
        return html
        # print(html)

    def re_func(self, re_bds, html):
        pattern = re.compile(re_bds, re.S)
        r_list = pattern.findall(html)
        return r_list

    # 获取想要的数据 - 解析一级页面
    # def parse_html(self, url):
    #     one_html = self.get_html(url).decode()
    #     # print(one_html)
    #     re_bds = "<p class="url">.*?<a href="(.*?)" target="_blank">(.*?)</a>"
    #     one_list = self.re_func(re_bds, one_html)
    #     # print(one_list)
    #     # time.sleep(random.randint(1, 3))
    #     self.write_html(one_list)


    def parse_html(self,url):
        html = self.get_html(url).decode()
        parse_obj = etree.HTML(html)
        href_list = parse_obj.xpath("//div[@class="all"]/ul[@class="archives"]/li/p[@class="url"]/a/@href")
        print("href_list:",href_list)
        self.write_html(href_list)





    def write_html(self, href_list):
        for href in href_list:
            two_url = href
            print(two_url)
            time.sleep(random.randint(1, 3))
            self.save_image(two_url)

    def save_image(self, two_url):
        headers = {"Referer": two_url, "User-Agent": random.choice(ua_list)}
        print("---------two_url-----------", two_url)
        # 向图片链接发请求.得到bytes类型
        i = 0
        while True:
            try:
                img_link = two_url + "/{}".format(i)
                print("img_link:", img_link)
                html = requests.get(url=img_link, headers=headers).text
                re_bds = " <div class="main-image"><p><a href="https://www.mzitu.com/.*?" ><img " 
                         "src="(.*?)" alt="(.*?)" width=".*?" height=".*?" /></a></p>"
                img_html_list = self.re_func(re_bds, html)
                print("img_html_list", img_html_list)
                name = img_html_list[0][1]
                print("-----name:",name)
                direc = "/home/ubuntu/meizi/{}/".format(name)
                print("direc:",direc)
                if not os.path.exists(direc):
                    os.makedirs(direc)
                img_ = requests.get(url=img_html_list[0][0], headers=headers).content
                filename = direc + name + img_link.split("/")[-1] + ".jpg"
                # print("img_:",img_)
                with open(filename, "wb") as f:
                    f.write(img_)
                i += 1
            except Exception as e:
                break


if __name__ == "__main__":
    spider = MeiziSpider()
    spider.parse_html("https://www.mzitu.com/all")

大功告成。都看懂了吧。如果有不懂的，可以去小编的Python交流.裙 ：一久武其而而流一思（数字的谐音）转换下可以找到了，里面有最新Python教程项目！一起交流进步吧