python 爬取某站视频批量下载
import os
import re
import json
import requests
import subprocess
import time
import randomheaders = {"cookie": "buvid3=ACADAEB4-FA24-5CE2-AE7C-BD70F80E50D880539infoc; b_nut=1728711980; _uuid=B1AC691F-343C-7D32-76C5-95AA3D6B8B8B80361infoc; buvid4=3B64CA58-5131-97C9-1C7D-038C13272BC780713-024051511-QCISCSvyYHU9ayAyNiWXAQ%3D%3D; buvid_fp=80b57d7119620b4bc277b5565e70e128; rpdid=|(um~Rlumu~)0J'u~k)~uum)k; enable_web_push=DISABLE; enable_feed_channel=DISABLE; home_feed_column=5; browser_resolution=1707-898; header_theme_version=OPEN; bili_ticket=eyJhbGciOiJIUzI1NiIsImtpZCI6InMwMyIsInR5cCI6IkpXVCJ9.eyJleHAiOjE3NTI4MTg1MTgsImlhdCI6MTc1MjU1OTI1OCwicGx0IjotMX0.RVJomYln11zknFwQLeLqZdEodaxpxbM24JNvxTVr71s; bili_ticket_expires=1752818458; SESSDATA=b472f2a6%2C1768111391%2C51b5d%2A71; bili_jct=186416a322e3234cb5778e18931f2f0a; DedeUserID=3546644163332127; DedeUserID__ckMd5=8758534914171ba3; sid=76g80rj0; theme-tip-show=SHOWED; theme-avatar-tip-show=SHOWED; b_lsid=D632BB10D_1980D003D59; CURRENT_FNVAL=2000; bp_t_offset_3546644163332127=1089752500006813696","referer": "https://space.bilibili.com/517327498/upload/video","user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36"
}def download_bilibili_video(bvid, output_dir="videos"):"""下载单个B站视频"""if not os.path.exists(output_dir):os.makedirs(output_dir)url = f"https://www.bilibili.com/video/{bvid}"try:response = requests.get(url, headers=headers)response.encoding = 'utf-8'data = response.texttitle_match = re.search(r'"title":"(.*?)"', data)if not title_match:print(f"⚠️ 标题提取失败: {bvid}")return Falsetitle = re.sub(r'[\\/:*?"<>|]', "", title_match.group(1)) video_info = re.search(r'<script>window.__playinfo__=(.*?)</script>', data)if not video_info:print(f"⚠️ 视频信息提取失败: {bvid}")return Falsejson_data = json.loads(video_info.group(1))audio_url = json_data['data']['dash']['audio'][0]['baseUrl']video_url = json_data['data']['dash']['video'][0]['baseUrl']video_content = requests.get(video_url, headers=headers).contentvideo_path = os.path.join(output_dir, f"{title}_temp.mp4")with open(video_path, 'wb') as vf:vf.write(video_content)audio_content = requests.get(audio_url, headers=headers).contentaudio_path = os.path.join(output_dir, f"{title}_temp.mp3")with open(audio_path, 'wb') as af:af.write(audio_content)output_path = os.path.join(output_dir, f"{title}.mp4")cmd = ['ffmpeg', '-y', '-i', video_path, '-i', audio_path, '-c', 'copy', output_path]subprocess.run(cmd, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)os.remove(video_path)os.remove(audio_path)print(f"✅ 下载完成: {title}.mp4")return Trueexcept Exception as e:print(f"❌ 下载失败 {bvid}: {str(e)}")return False
if __name__ == "__main__":headers = {"cookie": "buvid3=ACADAEB4-FA24-5CE2-AE7C-BD70F80E50D880539infoc; b_nut=1728711980; _uuid=B1AC691F-343C-7D32-76C5-95AA3D6B8B8B80361infoc; buvid4=3B64CA58-5131-97C9-1C7D-038C13272BC780713-024051511-QCISCSvyYHU9ayAyNiWXAQ%3D%3D; buvid_fp=80b57d7119620b4bc277b5565e70e128; rpdid=|(um~Rlumu~)0J'u~k)~uum)k; enable_web_push=DISABLE; enable_feed_channel=DISABLE; home_feed_column=5; browser_resolution=1707-898; header_theme_version=OPEN; bili_ticket=eyJhbGciOiJIUzI1NiIsImtpZCI6InMwMyIsInR5cCI6IkpXVCJ9.eyJleHAiOjE3NTI4MTg1MTgsImlhdCI6MTc1MjU1OTI1OCwicGx0IjotMX0.RVJomYln11zknFwQLeLqZdEodaxpxbM24JNvxTVr71s; bili_ticket_expires=1752818458; SESSDATA=b472f2a6%2C1768111391%2C51b5d%2A71; bili_jct=186416a322e3234cb5778e18931f2f0a; DedeUserID=3546644163332127; DedeUserID__ckMd5=8758534914171ba3; sid=76g80rj0; theme-tip-show=SHOWED; theme-avatar-tip-show=SHOWED; b_lsid=D632BB10D_1980D003D59; CURRENT_FNVAL=2000; bp_t_offset_3546644163332127=1089752500006813696","referer": "https://space.bilibili.com/517327498/upload/video","user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36"}url = 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= requests.get(url, headers=headers)data = response.json()bvid_list = []if data['code'] == 0:for video in data['data']['list']['vlist']:bvid_list.append(video['bvid'])for bvid in bvid_list:print(f"\n▷ 开始下载: {bvid}")download_bilibili_video(bvid)delay = random.uniform(3, 8)time.sleep(delay)print("\n所有任务处理完毕！")
