mirror of https://github.com/injetlee/Python.git
78 lines
2.4 KiB
Python
78 lines
2.4 KiB
Python
import requests
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import os
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import time
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import threading
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from bs4 import BeautifulSoup
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def download_page(url):
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'''
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用于下载页面
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'''
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headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:61.0) Gecko/20100101 Firefox/61.0"}
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r = requests.get(url, headers=headers)
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r.encoding = 'gb2312'
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return r.text
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def get_pic_list(html):
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'''
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获取每个页面的套图列表,之后循环调用get_pic函数获取图片
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'''
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soup = BeautifulSoup(html, 'html.parser')
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pic_list = soup.find_all('li', class_='wp-item')
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for i in pic_list:
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a_tag = i.find('h3', class_='tit').find('a')
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link = a_tag.get('href')
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text = a_tag.get_text()
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get_pic(link, text)
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def get_pic(link, text):
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'''
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获取当前页面的图片,并保存
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'''
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html = download_page(link) # 下载界面
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soup = BeautifulSoup(html, 'html.parser')
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pic_list = soup.find('div', id="picture").find_all('img') # 找到界面所有图片
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headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:61.0) Gecko/20100101 Firefox/61.0"}
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create_dir('pic/{}'.format(text))
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for i in pic_list:
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pic_link = i.get('src') # 拿到图片的具体 url
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r = requests.get(pic_link, headers=headers) # 下载图片，之后保存到文件
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with open('pic/{}/{}'.format(text, link.split('/')[-1]), 'wb') as f:
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f.write(r.content)
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time.sleep(1) # 休息一下，不要给网站太大压力，避免被封
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def create_dir(name):
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if not os.path.exists(name):
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os.makedirs(name)
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def execute(url):
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page_html = download_page(url)
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get_pic_list(page_html)
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def main():
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create_dir('pic')
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queue = [i for i in range(1, 72)] # 构造 url 链接 页码。
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threads = []
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while len(queue) > 0:
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for thread in threads:
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if not thread.is_alive():
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threads.remove(thread)
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while len(threads) < 5 and len(queue) > 0: # 最大线程数设置为 5
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cur_page = queue.pop(0)
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url = 'http://meizitu.com/a/more_{}.html'.format(cur_page)
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thread = threading.Thread(target=execute, args=(url,))
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thread.setDaemon(True)
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thread.start()
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print('{}正在下载{}页'.format(threading.current_thread().name, cur_page))
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threads.append(thread)
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if __name__ == '__main__':
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main()
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