python3下载抖音视频

# -*- coding:utf-8 -*- from contextlib import closing import requests, json,
re, os, sys, random from ipaddress import ip_address from subprocess import
Popen, PIPE import urllib class DouYin(object): def __init__(self, width = 500,
height = 300): """ 抖音App视频下载 """ rip = ip_address('0.0.0.0') while
rip.is_private: rip = ip_address('.'.join(map(str, (random.randint(0, 255) for
_ in range(4))))) self.headers = { 'accept':
'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8',
'accept-encoding': 'gzip, deflate, br', 'accept-language': 'zh-CN,zh;q=0.9',
'pragma': 'no-cache', 'cache-control': 'no-cache', 'upgrade-insecure-requests':
'1', 'user-agent': 'Mozilla/5.0 (Linux; U; Android 5.1.1; zh-cn; MI 4S
Build/LMY47V) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0
Chrome/53.0.2785.146 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.1.3',
'X-Real-IP': str(rip), 'X-Forwarded-For': str(rip), } def get_video_urls(self,
user_id, type_flag='f'): """ 获得视频播放地址 Parameters: user_id：查询的用户UID Returns:
video_names: 视频名字列表 video_urls: 视频链接列表 nickname: 用户昵称 """ video_names = []
video_urls = [] share_urls = [] max_cursor = 0 has_more = 1 i = 0
share_user_url = 'https://www.douyin.com/share/user/%s' % user_id share_user =
requests.get(share_user_url, headers=self.headers) while share_user.status_code
!= 200: share_user = requests.get(share_user_url, headers=self.headers)
_dytk_re = re.compile(r"dytk\s*:\s*'(.+)'") dytk =
_dytk_re.search(share_user.text).group(1) _nickname_re = re.compile(r'<p
class="nickname">(.+?)<\/p>') nickname =
_nickname_re.search(share_user.text).group(1)
urllib.request.urlretrieve('https://raw.githubusercontent.com/Jack-Cherish/python-spider/master/douyin/fuck-byted-acrawler.js',
'fuck-byted-acrawler.js') try: Popen(['node', '-v'], stdout=PIPE,
stderr=PIPE).communicate() except (OSError, IOError) as err: print('请先安装
node.js: https://nodejs.org/') sys.exit() user_url_prefix =
'https://www.douyin.com/aweme/v1/aweme/favorite' if type_flag == 'f' else
'https://www.douyin.com/aweme/v1/aweme/post' print('解析视频链接中') while has_more !=
0: process = Popen(['node', 'fuck-byted-acrawler.js', str(user_id)],
stdout=PIPE, stderr=PIPE) _sign =
process.communicate()[0].decode().strip('\n').strip('\r') user_url =
user_url_prefix +
'/?user_id=%s&max_cursor=%s&count=21&aid=1128&_signature=%s&dytk=%s' %
(user_id, max_cursor, _sign, dytk) req = requests.get(user_url,
headers=self.headers) while req.status_code != 200: req =
requests.get(user_url, headers=self.headers) html = json.loads(req.text) try:
while html['aweme_list'] == []: i = i + 1 sys.stdout.write('已重新链接' + str(i) +
'次 (若超过100次，请ctrl+c强制停止再重来)' + '\r') sys.stdout.flush() process =
Popen(['node', 'fuck-byted-acrawler.js', str(user_id)], stdout=PIPE,
stderr=PIPE) _sign = process.communicate()[0].decode().strip('\n').strip('\r')
user_url = user_url_prefix +
'/?user_id=%s&max_cursor=%s&count=21&aid=1128&_signature=%s&dytk=%s' %
(user_id, max_cursor, _sign, dytk) req = requests.get(user_url,
headers=self.headers) while req.status_code != 200: req =
requests.get(user_url, headers=self.headers) html = json.loads(req.text)
except: pass i = 0 for each in html['aweme_list']: try: url =
'https://aweme.snssdk.com/aweme/v1/play/?video_id=%s&line=0&ratio=720p&media_type=4&vr_type=0&test_cdn=None&improve_bitrate=0'
uri = each['video']['play_addr']['uri'] video_url = url % uri except: continue
share_desc = each['share_info']['share_desc'] if os.name == 'nt': for c in
r'\/:*?"<>|': nickname = nickname.replace(c, '').strip().strip('\.') share_desc
= share_desc.replace(c, '').strip() share_id = each['aweme_id'] if share_desc
in ['抖音-原创音乐短视频社区', 'TikTok', '']: video_names.append(share_id + '.mp4') else:
video_names.append(share_id + '-' + share_desc + '.mp4')
share_urls.append(each['share_info']['share_url']) video_urls.append(video_url)
max_cursor = html['max_cursor'] has_more = html['has_more'] return video_names,
video_urls, share_urls, nickname def get_download_url(self, video_url,
watermark_flag): """ 获得带水印的视频播放地址 Parameters: video_url：带水印的视频播放地址 Returns:
download_url: 带水印的视频下载地址 """ # 带水印视频 if watermark_flag == True: download_url =
video_url.replace('/play/', '/playwm/') # 无水印视频 else: download_url =
video_url.replace('/playwm/', '/play/') return download_url def
video_downloader(self, video_url, video_name, watermark_flag=False): """ 视频下载
Parameters: video_url: 带水印的视频地址 video_name: 视频名 watermark_flag: 是否下载带水印的视频
Returns: 无 """ size = 0 video_url = self.get_download_url(video_url,
watermark_flag=watermark_flag) with closing(requests.get(video_url,
headers=self.headers, stream=True)) as response: chunk_size = 1024 content_size
= int(response.headers['content-length']) if response.status_code == 200:
sys.stdout.write(' [文件大小]:%0.2f MB\n' % (content_size / chunk_size / 1024))
with open(video_name, 'wb') as file: for data in
response.iter_content(chunk_size = chunk_size): file.write(data) size +=
len(data) file.flush() sys.stdout.write(' [下载进度]:%.2f%%' % float(size /
content_size * 100) + '\r') sys.stdout.flush() def run(self): """ 运行函数
Parameters: None Returns: None """ self.hello()
print('搜索api需要登录，暂时使用UID下载\n分享用户页面，用浏览器打开短链接，原始链接中/share/user/后的数字即是UID')
user_id = input('请输入ID (例如95006183):') user_id = user_id if user_id else
'95006183' watermark_flag = input('是否下载带水印的视频 (0-否(默认), 1-是):') watermark_flag
= watermark_flag if watermark_flag!='' else '0' watermark_flag =
bool(int(watermark_flag)) type_flag = input('f-收藏的(默认), p-上传的:') type_flag =
type_flag if type_flag!='' else 'f' save_dir = input('保存路径 (例如"E:/Download/",
默认"./Download/"):') save_dir = save_dir if save_dir else "./Download/"
video_names, video_urls, share_urls, nickname = self.get_video_urls(user_id,
type_flag) nickname_dir = os.path.join(save_dir, nickname) if not
os.path.exists(save_dir): os.makedirs(save_dir) if nickname not in
os.listdir(save_dir): os.mkdir(nickname_dir) if type_flag == 'f': if 'favorite'
not in os.listdir(nickname_dir): os.mkdir(os.path.join(nickname_dir,
'favorite')) print('视频下载中:共有%d个作品!\n' % len(video_urls)) for num in
range(len(video_urls)): print(' 解析第%d个视频链接 [%s] 中，请稍后!\n' % (num + 1,
share_urls[num])) if '\\' in video_names[num]: video_name =
video_names[num].replace('\\', '') elif '/' in video_names[num]: video_name =
video_names[num].replace('/', '') else: video_name = video_names[num]
video_path = os.path.join(nickname_dir, video_name) if type_flag!='f' else
os.path.join(nickname_dir, 'favorite', video_name) if
os.path.isfile(video_path): print('视频已存在') else:
self.video_downloader(video_urls[num], video_path, watermark_flag) print('\n')
print('下载完成!') def hello(self): """ 打印欢迎界面 Parameters: None Returns: None """
print('*' * 100) print('\t\t\t\t抖音App视频下载小助手') print('\t\t作者:Jack
Cui、steven7851') print('*' * 100) if __name__ == '__main__': douyin = DouYin()
douyin.run()
原文链接
<https://github.com/Jack-Cherish/python-spider/blob/master/douyin/douyin.py>

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