亲自使用过,太好用了
python
# 导入requests模块,模拟发送请求
import requests
# 导入json
import json
# 导入re
import re
# 定义请求头
headers = {
'Accept': '*/*',
'Accept-Language': 'en-US,en;q=0.5',
'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36'
}
# 正则表达式,根据条件匹配出值
def my_match(text, pattern):
match = re.search(pattern, text)
print(match.group(1))
print()
return json.loads(match.group(1))
def download_video(old_video_url, video_url, audio_url, video_name):
headers.update({"Referer": old_video_url})
print("开始下载视频:%s" % video_name)
video_content = requests.get(video_url, headers=headers)
print('%s视频大小:' % video_name, video_content.headers['content-length'])
audio_content = requests.get(audio_url, headers=headers)
print('%s音频大小:' % video_name, audio_content.headers['content-length'])
# 下载视频开始
received_video = 0
with open('%s_video.mp4' % video_name, 'ab') as output:
while int(video_content.headers['content-length']) > received_video:
headers['Range'] = 'bytes=' + str(received_video) + '-'
response = requests.get(video_url, headers=headers)
output.write(response.content)
received_video += len(response.content)
# 下载视频结束
# 下载音频开始
audio_content = requests.get(audio_url, headers=headers)
received_audio = 0
with open('%s_audio.mp4' % video_name, 'ab') as output:
while int(audio_content.headers['content-length']) > received_audio:
# 视频分片下载
headers['Range'] = 'bytes=' + str(received_audio) + '-'
response = requests.get(audio_url, headers=headers)
output.write(response.content)
received_audio += len(response.content)
# 下载音频结束
return video_name
if __name__ == '__main__':
# 换成你要爬取的视频地址
url ='https://www.bilibili.com/video/BV1zK4y1B7Z8/?share_source=copy_web'
# 发送请求,拿回数据
res = requests.get(url, headers=headers)
# 视频详情json
playinfo = my_match(res.text, '__playinfo__=(.*?)</script><script>')
# 视频内容json
initial_state = my_match(res.text, r'__INITIAL_STATE__=(.*?);\(function\(\)')
# 视频分多种格式,直接取分辨率最高的视频 1080p
video_url = playinfo['data']['dash']['video'][0]['baseUrl']
# 取出音频地址
audio_url = playinfo['data']['dash']['audio'][0]['baseUrl']
video_name = initial_state['videoData']['title']
print('视频名字为:video_name')
print('视频地址为:', video_url)
print('音频地址为:', audio_url)
download_video(url, video_url, audio_url, video_name)
它可以爬取并下载视频文件和音频文件!