lxml webdriver 抓取街拍

案例

import os
from hashlib import md5
from selenium import webdriver
import requests
from lxml import etree

# 首页请求
def get_response(url):
    headers = {"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.79 Safari/537.36"}
    res = requests.get(url, headers=headers)
    return res

# 从返回的json中解析出组图链接
def get_article_title_url(text, i):
    # json解析获取字典表数据
    article_url = text.json()["data"][i]['article_url']
    title = text.json()["data"][i]['title']
    return article_url,title

# 从单个组图链接里解析出每张图片的URL地址-自上而下
def parse_article_url(article_url):
    driver = webdriver.Chrome(r"D:pythoncomzxsoftpythonchromedriver.exe")
    driver.get(article_url)
    text = driver.page_source
    html = etree.HTML(text)
    hrefs = html.xpath('//div[@class="article-content"]//div[@class="pgc-img"]//img[@class="syl-page-img"]//@src')
    driver.close()
    return hrefs

# 将每张图片保存在对应标题的本地文件夹下
def save_jpg(title,href):
    res = requests.get(href)
    file_path = '{}/{}.{}'.format(title, md5(res.content).hexdigest(), 'jpg')
    with open(file_path, 'wb') as f:
        f.write(res.content)

os.chdir(r"E:/ntmssFile/nv/")
for i in range(20):
    url = 'https://www.toutiao.com/api/search/content/?aid=24&app_name=web_search&offset={}&format=json&keyword=%E8%A1%97%E6%8B%8D&autoload=true&count=20&en_qc=1&cur_tab=1&from=search_tab'.format(i * 20)
    r = get_response(url)
    data_length = r.json()["data"]
    for i in range(len(data_length)):
        try:  # 不是所有的列表中都有组图标题和链接信息，用try防止报错
            article_url,title_text = get_article_title_url(r, i)
            if not os.path.exists(title_text):
                os.makedirs(title_text)
            hrefs = parse_article_url(article_url)
            for href in hrefs:
                save_jpg(title_text,href)
        except:
            continue

import requests
from lxml import etree
from hashlib import md5
import re
import os
import redis

r = redis.StrictRedis(host='172.16.xx.xx', port=6379, db=2, decode_responses=True)
headers = {
    'Cookie': 'Hm_lvt_c8263f264e5db13b29b03baeb1840f60=1632291839,1632373348; Hm_lpvt_c8263f264e5db13b29b03baeb1840f60=1632373697',
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.82 Safari/537.36'
}
os.chdir(r"E:homewebContainer
tmssResource")
urlRes = requests.get("https://www.3gbizhi.com/meinv/", headers=headers)
html = etree.HTML(urlRes.text)
href_list = html.xpath('//div[@class="cl r"]//ul[@class="cl"]/li/a/@href')
for href in href_list:
    parttern_href = re.compile(r'https://www.3gbizhi.com/meinv/(.*?).html', flags=re.DOTALL)
    linkShort = re.search(parttern_href, href)
    short = linkShort.group(1)
    if not os.path.exists(short):
        os.makedirs(short)
    for i in range(2, 3):
        url = f'https://www.3gbizhi.com/meinv/' + short + '_' + str(i) + '.html'
        response = requests.get(url, headers=headers)
        html = etree.HTML(response.text)
        href_list = html.xpath('//div[@class="contlistw mtw"]//ul[@class="cl"]/li/a/@href')
        title_list = html.xpath('//div[@class="contlistw mtw"]//ul[@class="cl"]/li/a/@title')
        for href, title in zip(href_list, title_list):
            res = requests.get(href, headers=headers)
            html_data = etree.HTML(res.text)
            img_url_list = html_data.xpath('//div[@class="picimglist pos"]/ul/li/a/img/@src')
            for img_url in img_url_list:
                img_url = ''.join(img_url.split('thumb_200_0_'))
                result = requests.get(img_url, headers=headers).content
                file_path = '{}/{}.{}'.format(short, md5(result).hexdigest(), 'jpg')
                path = file_path
                url_local = "http://192.168.31.155:8889/ntmssResource/" + path
                r.sadd("img_list", url_local)
                print(f'正在下载  {title} {url_local}！！！！')
                with open(file_path, 'wb')as f:
                    f.write(result)