python 爬取B站原视频的实例代码

B站原视频爬取，我就不多说直接上代码。直接运行就好。B站是把视频和音频分开。要把2个合并起来使用。这个需要分析才能看出来。然后就是登陆这块是比较难的。

import osimport reimport argparseimport subprocessimport prettytablefrom DecryptLogin import login’’’B站类’’’class Bilibili():def __init__(self, username, password, **kwargs):self.username = usernameself.password = passwordself.session = Bilibili.login(username, password)self.headers = {’User-Agent’: ’Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.117 Safari/537.36’}self.user_info_url = ’http://api.bilibili.com/x/space/acc/info’self.submit_videos_url = ’http://space.bilibili.com/ajax/member/getSubmitVideos’self.view_url = ’http://api.bilibili.com/x/web-interface/view’self.video_player_url = ’http://api.bilibili.com/x/player/playurl’’’’运行主程序’’’def run(self):while True:userid = input(’请输入目标用户ID(例:345993405)(我的一个LOL好友凯撒可以关注他一下 谢谢) ——> ’)user_info = self.__getUserInfo(userid)tb = prettytable.PrettyTable()tb.field_names = list(user_info.keys())tb.add_row(list(user_info.values()))print(’获取的用户信息如下:’)print(tb)is_download = input(’是否下载该用户的所有视频(y/n, 默认: y) ——> ’)if is_download == ’y’ or is_download == ’yes’ or not is_download:self.__downloadVideos(userid)’’’根据userid获得该用户基本信息’’’def __getUserInfo(self, userid):params = {’mid’: userid, ’jsonp’: ’jsonp’}res = self.session.get(self.user_info_url, params=params, headers=self.headers)res_json = res.json()user_info = {’用户名’: res_json[’data’][’name’],’性别’: res_json[’data’][’sex’],’个性签名’: res_json[’data’][’sign’],’用户等级’: res_json[’data’][’level’],’生日’: res_json[’data’][’birthday’]}return user_info’’’下载目标用户的所有视频’’’def __downloadVideos(self, userid):if not os.path.exists(userid):os.mkdir(userid)# 非会员用户只能下载到高清1080Pquality = [(’16’, ’流畅 360P’), (’32’, ’清晰 480P’), (’64’, ’高清 720P’), (’74’, ’高清 720P60’), (’80’, ’高清 1080P’), (’112’, ’高清 1080P+’), (’116’, ’高清 1080P60’)][-3]# 获得用户的视频基本信息video_info = {’aids’: [], ’cid_parts’: [], ’titles’: [], ’links’: [], ’down_flags’: []}params = {’mid’: userid, ’pagesize’: 30, ’tid’: 0, ’page’: 1, ’order’: ’pubdate’}while True:res = self.session.get(self.submit_videos_url, headers=self.headers, params=params)res_json = res.json()for item in res_json[’data’][’vlist’]:video_info[’aids’].append(item[’aid’])if len(video_info[’aids’]) < int(res_json[’data’][’count’]):params[’page’] += 1else:breakfor aid in video_info[’aids’]:params = {’aid’: aid}res = self.session.get(self.view_url, headers=self.headers, params=params)cid_part = []for page in res.json()[’data’][’pages’]:cid_part.append([page[’cid’], page[’part’]])video_info[’cid_parts’].append(cid_part)title = res.json()[’data’][’title’]title = re.sub(r'[‘’/:*?'<>|s’]', ’ ’, title)video_info[’titles’].append(title)print(’共获取到用户ID<%s>的<%d>个视频...’ % (userid, len(video_info[’titles’])))for idx in range(len(video_info[’titles’])):aid = video_info[’aids’][idx]cid_part = video_info[’cid_parts’][idx]link = []down_flag = Falsefor cid, part in cid_part:params = {’avid’: aid, ’cid’: cid, ’qn’: quality, ’otype’: ’json’, ’fnver’: 0, ’fnval’: 16}res = self.session.get(self.video_player_url, params=params, headers=self.headers)res_json = res.json()if ’dash’ in res_json[’data’]:down_flag = Truev, a = res_json[’data’][’dash’][’video’][0], res_json[’data’][’dash’][’audio’][0]link_v = [v[’baseUrl’]]link_a = [a[’baseUrl’]]if v[’backup_url’]:for item in v[’backup_url’]:link_v.append(item)if a[’backup_url’]:for item in a[’backup_url’]:link_a.append(item)link = [link_v, link_a]else:link = [res_json[’data’][’durl’][-1][’url’]]if res_json[’data’][’durl’][-1][’backup_url’]:for item in res_json[’data’][’durl’][-1][’backup_url’]:link.append(item)video_info[’links’].append(link)video_info[’down_flags’].append(down_flag)# 开始下载out_pipe_quiet = subprocess.PIPEout_pipe = Nonearia2c_path = os.path.join(os.getcwd(), ’tools/aria2c’)ffmpeg_path = os.path.join(os.getcwd(), ’tools/ffmpeg’)for idx in range(len(video_info[’titles’])):title = video_info[’titles’][idx]aid = video_info[’aids’][idx]down_flag = video_info[’down_flags’][idx]print(’正在下载视频<%s>...’ % title)if down_flag:link_v, link_a = video_info[’links’][idx]# --视频url = ’'{}'’.format(’' '’.join(link_v))command = ’{} -c -k 1M -x {} -d '{}' -o '{}' --referer='https://www.bilibili.com/video/av{}' {} {}’command = command.format(aria2c_path, len(link_v), userid, title+’.flv’, aid, '', url)print(command)process = subprocess.Popen(command, stdout=out_pipe, stderr=out_pipe, shell=True)process.wait()# --音频url = ’'{}'’.format(’' '’.join(link_a))command = ’{} -c -k 1M -x {} -d '{}' -o '{}' --referer='https://www.bilibili.com/video/av{}' {} {}’command = command.format(aria2c_path, len(link_v), userid, title+’.aac’, aid, '', url)print(command)process = subprocess.Popen(command, stdout=out_pipe, stderr=out_pipe, shell=True)process.wait()# --合并command = ’{} -i '{}' -i '{}' -c copy -f mp4 -y '{}'’command = command.format(ffmpeg_path, os.path.join(userid, title+’.flv’), os.path.join(userid, title+’.aac’), os.path.join(userid, title+’.mp4’))print(command)process = subprocess.Popen(command, stdout=out_pipe, stderr=out_pipe_quiet, shell=True)process.wait()os.remove(os.path.join(userid, title+’.flv’))os.remove(os.path.join(userid, title+’.aac’))else:link = video_info[’links’][idx]url = ’'{}'’.format(’' '’.join(link))command = ’{} -c -k 1M -x {} -d '{}' -o '{}' --referer='https://www.bilibili.com/video/av{}' {} {}’command = command.format(aria2c_path, len(link), userid, title+’.flv’, aid, '', url)process = subprocess.Popen(command, stdout=out_pipe, stderr=out_pipe, shell=True)process.wait()os.rename(os.path.join(userid, title+’.flv’), os.path.join(userid, title+’.mp4’))print(’所有视频下载完成, 该用户所有视频保存在<%s>文件夹中...’ % (userid))’’’借助大佬开源的库来登录B站’’’@staticmethoddef login(username, password):_, session = login.Login().bilibili(username, password)return session’’’run’’’if __name__ == ’__main__’:parser = argparse.ArgumentParser(description=’下载B站指定用户的所有视频(仅支持Windows下使用)’)parser.add_argument(’--username’, dest=’username’, help=’xxx’, type=str, required=True)parser.add_argument(’--password’, dest=’password’, help=’xxxx’, type=str, required=True)print(parser)args = parser.parse_args([’--password’, ’xxxx’,’--username’, ’xxx’])# args = parser.parse_args([’--password’, ’FOO’])print(’5’)bili = Bilibili(args.username, args.password)bili.run()

把账号密码填上就行。这是我根据一个微信公众号Charles大佬的想法写的。大家可以去关注他一下。

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