python爬虫（爬取视频）
<h1 id="爬虫爬视频">爬虫爬视频</h1><h2 id="爬取步骤">爬取步骤</h2>
<p>第一步：获取视频所在的网页</p>
<p>第二步：F12中找到视频真正所在的链接</p>
<p>第三步：获取链接并转换成二进制</p>
<p>第四部：保存</p>
<h2 id="保存步骤代码">保存步骤代码</h2>
<pre><code class="language-python">import re
import requests
response =requests.get('https://vd4.bdstatic.com/mda-jcrx64vi5vct2d2u/sc/mda-jcrx64vi5vct2d2u.mp4?auth_key=1557734214-0-0-d6a29a90222c6caf233e8a2a34c2e37a&bcevod_channel=searchbox_feed&pd=bjh&abtest=all')
video = response.content #把文件保存成二进制
with open(r'D:\图片\绿色.mp4','wb') as fw:
fw.write(video) #将文件内容写入该文件
fw.flush() #刷新
</code></pre>
<h2 id="爬酷6首页的所有视频">爬酷6首页的所有视频</h2>
<pre><code class="language-python">#有点偷懒变量名用简单字母啦.............
# https://www.ku6.com/index
# <a class="video-image-warp" target="_blank" href="(.*?)">
#this.src({type: "video/mp4", src: "(.*?)"})
#src({type: "video/mp4", src: "(.*?)"})
import re# 载入模块
import requests# 载入模块
new_list = []
time = 0
response = requests.get('https://www.ku6.com/index')
data = response.text
# print(data)
url = re.findall('<a class="video-image-warp" target="_blank" href="(.*?)">',data)
for a in url : #type:str
if a.startswith('/v') or a.startswith('/d'):
new_list.append(f'https://www.ku6.com{a}')
elif a.startswith('ht'):
new_list.append(f"{a.split('垃')}")
for url_1 in new_list:
response_1 = requests.get(url_1)
data_1 = response_1.text
video = re.findall('<source src="(.*?)" type="video/mp4">',data_1) or re.findall('type: "video/mp4", src: "(.*?)"',data_1)
video_1 = video
x = video_1.split('/')[-1]
name = f'{x}.mp4'
video_response = requests.get(video_1)
video_3 = video_response.content
with open(f'D:\图片\{name}','wb') as fw:
fw.write(video_3)
fw.flush()
time += 1
print(f'已经爬取{time}个视频')
</code></pre><br><br>
来源：https://www.cnblogs.com/pythonywy/p/10857032.html
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