Python素材下载爬虫，多线程rar下载爬虫

imgs = req.xpath('//div[@class="contentinfo"]/table//@src')

if imgs:

for img in imgs:

suffix = os.path.splitext(img)[1]

if int(req.xpath('//div[@class="download"]/dl[@class="downlink"]/dd[1]/b/text()')[0]) == 0:
   down_url = req.xpath('//div[@class="download"]/dl[@class="downlink"]/dt/li/a/@href')[0]
   down_name = f'{h2}/{h2}.rar'
   down_data=down_url, down_name
   print(down_data)

else:
   down_data=[]

data=text_data,img_data,down_data
self.down_queue.put(data)

time.sleep(1)

page_queue = Queue(1000)
down_queue = Queue(2500)

# -*- coding: UTF-8 -*-

import requests, os,time
from lxml import etree
from fake_useragent import UserAgent
import threading
from queue import Queue


# 生产者模式
class Procuder(threading.Thread):
    def __init__(self, page_queue, down_queue, *args, **kwargs):
        super(Procuder, self).__init__(*args, **kwargs)
        self.page_queue = page_queue
        self.down_queue = down_queue
        self.ua = UserAgent()
        self.headers = {"User-Agent": self.ua.random}

    def run(self):
        while True:
            if self.page_queue.empty():
                break
            url = self.page_queue.get()
            self.parse(url)

    def parse(self, url):
        print(f'>>> 正在抓取列表页 {url} 数据...')
        response = requests.get(url, headers=self.headers, timeout=6).content.decode("gbk")
        time.sleep(1)
        req = etree.HTML(response)
        urllist = req.xpath('//dl[@class="imglist"]/dt/ul[@class="listimg"]/li/span[@class="listpic"]/a/@href')
        print(len(urllist))
        print(urllist)
        for href in urllist:
            try:
                self.parse_page(href)
            except Exception as e:
                print(f'获取详情数据失败，错误代码：{e}')

    def parse_page(self, url):
        print(f'>>> 正在抓取详情页 {url} 数据...')
        response = requests.get(url, headers=self.headers, timeout=6).content.decode("gbk")
        time.sleep(1)
        req = etree.HTML(response)
        h2 = req.xpath('//div[@class="arcinfo"]/h2/text()')[0]
        print(h2)
        article = req.xpath('//div[@class="contentinfo"]/table//text()')
        article = ''.join(article)
        article = article.strip()
        print(article)
        texts = f'{h2}\n{article}'
        text_data=h2,texts

        imgs = req.xpath('//div[@class="contentinfo"]/table//@src')
        if imgs:
            i = 1
            for img in imgs:
                img_url = f'http://www.uimaker.com{img}'
                suffix = os.path.splitext(img)[1]
                img_name = f'{i}{suffix}'
                img_data=img_url, img_name
                print(img_data)
                i = i + 1


        if int(req.xpath('//div[@class="download"]/dl[@class="downlink"]/dd[1]/b/text()')[0]) == 0:
            down_url = req.xpath('//div[@class="download"]/dl[@class="downlink"]/dt/li/a/@href')[0]
            down_name = f'{h2}/{h2}.rar'
            down_data=down_url, down_name
            print(down_data)
        else:
            down_data=[]

        data=text_data,img_data,down_data
        self.down_queue.put(data)




# 消费者模式
class Consumer(threading.Thread):
    def __init__(self, page_queue, down_queue, *args, **kwargs):
        super(Consumer, self).__init__(*args, **kwargs)
        self.page_queue = page_queue
        self.down_queue = down_queue
        self.ua = UserAgent()
        self.headers = {"User-Agent": self.ua.random}

    def run(self):
        while True:
            if self.page_queue.empty() and self.down_queue.empty():
                break

            text_data,img_data,down_data=self.down_queue.get()
            h2,texts=text_data
            os.makedirs(f'{h2}/', exist_ok=True)  #创建目录
            self.get_text(h2, texts)
            img_url,img_name=img_data
            self.get_downimg(h2, img_url, img_name)
            if down_data !=[]:
                down_url, down_name = down_data
                self.down(down_url, down_name)

    # 保存文本内容
    def get_text(self, h2, texts):
        print("开始保存文本内容...")
        with open(f'{h2}/{h2}.txt', 'w', encoding="utf-8") as f:
            f.write(texts)
        print(">>>保存文本内容完成！")

    # 下载图片
    def get_downimg(self, h2, img_url, img_name):
        print("开始下载图片...")
        r = requests.get(img_url, headers=self.headers, timeout=6)
        time.sleep(1)
        with open(f'{h2}/{img_name}', 'wb') as f:
            f.write(r.content)
        print(">>>下载图片完成！")

    # 下载素材
    def down(self, down_url, down_name):
        print("开始下载素材...")
        r = requests.get(down_url, headers=self.headers, timeout=6)
        time.sleep(1)
        with open(down_name, 'wb') as f:
            f.write(r.content)
        print(">>>下载素材完成！")


def main():
    page_queue = Queue(1000)
    down_queue = Queue(2500)
    for i in range(1, 71):
        url = f"http://www.uimaker.com/uimakerdown/list_36_{i}.html"
        print(f'>>> 正在爬取 第{i + 1}页 列表页，链接：{url} ...')
        page_queue.put(url)

    for x in range(3):
        t = Procuder(page_queue, down_queue)
        t.start()

    for x in range(6):
        t = Consumer(page_queue, down_queue)
        t.start()


if __name__ == '__main__':
    main()