python3爬虫——下载unsplash美图到本地

 1 #!/usr/bin/env python
 2 # _*_ coding utf-8 _*_
 3 from bs4 import BeautifulSoup
 4 import requests
 5 
 6 i = 0
 7 url = 'https://unsplash.com/'
 8 html = requests.get(url)
 9 soup = BeautifulSoup(html.text, 'lxml')
10 
11 img_class = soup.find_all('div', {"class": "IEpfq"})        # 找到div里面有class = "IEpfq"的内容
12 
13 for img_list in img_class:
14     imgs = img_list.find_all('img')                         # 接着往下找到 img 标签
15     for img in imgs:
16         src = img['src']                                    # 以"src"为 key，找到 value
17         r = requests.get(src, stream=True)
18         image_name = 'unsplash_' + str(i) + '.jpg'          # 图片命名
19         i += 1
20         with open('./img/%s' % image_name, 'wb') as file:   # 打开文件  
21             for chunk in r.iter_content(chunk_size=1024):   # 以chunk_size = 1024的长度进行遍历
22                 file.write(chunk)                           
23         print('Saved %s' % image_name)