python下载b站视频源码参考
import time
import requests
import json
import re
from lxml import etree
from moviepy.editor import *def merge_video_audio(video_path, audio_path):print('原始视频音频合并中，请耐心等待~')# 获取下载好的音频和视频文件vd = VideoFileClip(video_path)ad = AudioFileClip(audio_path)vd2 = vd.set_audio(ad) # 将提取到的音频和视频文件进行合成output = video_path.replace('_video','')vd2.write_videofile(output) # 输出新的视频文件# 移除原始的视频和音频os.remove(video_path)os.remove(audio_path)def download_video(jump_url_list,keyword):# 遍历我们刚才获取到的所有跳转链接for jump_url in jump_url_list: # 先取一个视频进行测试print('正在下载：',jump_url)# 发送请求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'}response = requests.get(jump_url, headers=headers)# 视频详情jsonmatch = re.search( '__playinfo__=(.*?)</script><script>',response.text)playinfo = json.loads(match.group(1))# 视频内容jsonmatch = re.search( r'__INITIAL_STATE__=(.*?);\(function\(\)',response.text)initial_state = json.loads(match.group(1))# 视频分多种格式，直接取分辨率最高的视频 1080pvideo_url = playinfo['data']['dash']['video'][0]['baseUrl']# 取出音频地址audio_url = playinfo['data']['dash']['audio'][0]['baseUrl']title = initial_state['videoData']['title']print('视频名字：',title)# print('视频地址：', video_url)# print('音频地址：', audio_url)# 根据关键词创建文件夹if not os.path.exists(keyword):os.mkdir(keyword)# 下载视频headers.update({"Referer": jump_url})video_content = requests.get(video_url, headers=headers)received_video = 0video_path = f'./{keyword}/{title}_video.mp4'with open(video_path, '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)# 下载音频audio_content = requests.get(audio_url, headers=headers)received_audio = 0audio_path = f'./{keyword}/{title}_audio.mp4'with open(audio_path, '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)# 合并视频和音频merge_video_audio(video_path, audio_path)print('********************这是一条隔离线***************************')time.sleep(1) if __name__ == '__main__':jump_url_list = ["https://www.bilibili.com/video/BV1Gb42177YX/"]download_video(jump_url_list, "ddd")
