爬视频保存

保存视频资源

import requests,os
kv={'user-agent':'Mozilla/6.0'}
root="D:/pics/"
 
url="https://v.stu.126.net/mooc-video/nos/mp4/2017/02/28/1005855330_c19061df10ee4cd69496dba4292e9ea3_shd.mp4?ak=285ea3e4dadf82f0450503b24518d5679cdf68ccbb7c2011693b179b27153140698691431388c23472d118fc0d79340ceff6a55d15491982836e42383e13363eec6958477c8e90f2fc976eed060cb9b81e46d140b7b30f910299bee40b26a5c2d9e1e3c44585e5de5b539ccdbe8423a821b91261e44e538d2765af73aa008299a7f5cc498d43fe59a782bc973c30c066b767da1f870bc890754ea6567cb70ca9830b67d08aac63e1ac0c534090a89323f6fd9d4e9030d5d8cb0cb4b5fcb8e77c"
path=root+url.split('/')[-1].split('?')[0]
try:
    if not os.path.exists(root):
        os.mkdir(root)
    if not os.path.exists(path):
        r=requests.get(url)
    else:
        print("文件已存在")
    with open(path,'wb') as f:
        f.write(r.content)
        f.close()
    print('文件保存成功')
 
# r.raise_for_status()
# r.encoding=r.apparent_encoding
# print(r.text[:1000])
except Exception as e:
    print('爬取失败',e)

灵活应用split和os，并且养成检错的习惯