Python爬虫之爬取并下载哔哩哔哩视频

亲自使用过，太好用了

# 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！

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