[douyin] Add extractor (#513)

Authored-by: pukkandan, pyx

yt_dlp/extractor/douyin.py

@@ -0,0 +1,145 @@
+# coding: utf-8
+
+from ..utils import (
+    int_or_none,
+    traverse_obj,
+    url_or_none,
+)
+from .common import (
+    InfoExtractor,
+    compat_urllib_parse_unquote,
+)
+
+
+class DouyinIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.)?douyin\.com/video/(?P<id>[0-9]+)'
+    _TESTS = [{
+        'url': 'https://www.douyin.com/video/6961737553342991651',
+        'md5': '10523312c8b8100f353620ac9dc8f067',
+        'info_dict': {
+            'id': '6961737553342991651',
+            'ext': 'mp4',
+            'title': '#杨超越  小小水手带你去远航❤️',
+            'uploader': '杨超越',
+            'upload_date': '20210513',
+            'timestamp': 1620905839,
+            'uploader_id': '110403406559',
+            'view_count': int,
+            'like_count': int,
+            'repost_count': int,
+            'comment_count': int,
+        }
+    }, {
+        'url': 'https://www.douyin.com/video/6982497745948921092',
+        'md5': 'd78408c984b9b5102904cf6b6bc2d712',
+        'info_dict': {
+            'id': '6982497745948921092',
+            'ext': 'mp4',
+            'title': '这个夏日和小羊@杨超越 一起遇见白色幻想',
+            'uploader': '杨超越工作室',
+            'upload_date': '20210708',
+            'timestamp': 1625739481,
+            'uploader_id': '408654318141572',
+            'view_count': int,
+            'like_count': int,
+            'repost_count': int,
+            'comment_count': int,
+        }
+    }, {
+        'url': 'https://www.douyin.com/video/6953975910773099811',
+        'md5': '72e882e24f75064c218b76c8b713c185',
+        'info_dict': {
+            'id': '6953975910773099811',
+            'ext': 'mp4',
+            'title': '#一起看海  出现在你的夏日里',
+            'uploader': '杨超越',
+            'upload_date': '20210422',
+            'timestamp': 1619098692,
+            'uploader_id': '110403406559',
+            'view_count': int,
+            'like_count': int,
+            'repost_count': int,
+            'comment_count': int,
+        }
+    }, {
+        'url': 'https://www.douyin.com/video/6950251282489675042',
+        'md5': 'b4db86aec367ef810ddd38b1737d2fed',
+        'info_dict': {
+            'id': '6950251282489675042',
+            'ext': 'mp4',
+            'title': '哈哈哈，成功了哈哈哈哈哈哈',
+            'uploader': '杨超越',
+            'upload_date': '20210412',
+            'timestamp': 1618231483,
+            'uploader_id': '110403406559',
+            'view_count': int,
+            'like_count': int,
+            'repost_count': int,
+            'comment_count': int,
+        }
+    }, {
+        'url': 'https://www.douyin.com/video/6963263655114722595',
+        'md5': '1abe1c477d05ee62efb40bf2329957cf',
+        'info_dict': {
+            'id': '6963263655114722595',
+            'ext': 'mp4',
+            'title': '#哪个爱豆的105度最甜 换个角度看看我哈哈',
+            'uploader': '杨超越',
+            'upload_date': '20210517',
+            'timestamp': 1621261163,
+            'uploader_id': '110403406559',
+            'view_count': int,
+            'like_count': int,
+            'repost_count': int,
+            'comment_count': int,
+        }
+    }]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        webpage = self._download_webpage(url, video_id)
+        render_data = self._parse_json(
+            self._search_regex(
+                r'<script [^>]*\bid=[\'"]RENDER_DATA[\'"][^>]*>(%7B.+%7D)</script>',
+                webpage, 'render data'),
+            video_id, transform_source=compat_urllib_parse_unquote)
+        details = traverse_obj(render_data, (..., 'aweme', 'detail'), get_all=False)
+
+        thumbnails = [{'url': self._proto_relative_url(url)} for url in traverse_obj(
+            details, ('video', ('cover', 'dynamicCover', 'originCover')), expected_type=url_or_none, default=[])]
+
+        common = {
+            'width': traverse_obj(details, ('video', 'width'), expected_type=int),
+            'height': traverse_obj(details, ('video', 'height'), expected_type=int),
+            'ext': 'mp4',
+        }
+        formats = [{**common, 'url': self._proto_relative_url(url)} for url in traverse_obj(
+            details, ('video', 'playAddr', ..., 'src'), expected_type=url_or_none, default=[]) if url]
+        self._remove_duplicate_formats(formats)
+
+        download_url = traverse_obj(details, ('download', 'url'), expected_type=url_or_none)
+        if download_url:
+            formats.append({
+                **common,
+                'format_id': 'download',
+                'url': self._proto_relative_url(download_url),
+                'quality': 1,
+            })
+        self._sort_formats(formats)
+
+        return {
+            'id': video_id,
+            'title': details.get('desc') or self._html_search_meta('title', webpage),
+            'formats': formats,
+            'thumbnails': thumbnails,
+            'uploader': traverse_obj(details, ('authorInfo', 'nickname'), expected_type=str),
+            'uploader_id': traverse_obj(details, ('authorInfo', 'uid'), expected_type=str),
+            'uploader_url': 'https://www.douyin.com/user/%s' % traverse_obj(
+                details, ('authorInfo', 'secUid'), expected_type=str),
+            'timestamp': int_or_none(details.get('createTime')),
+            'duration': traverse_obj(details, ('video', 'duration'), expected_type=int),
+            'view_count': traverse_obj(details, ('stats', 'playCount'), expected_type=int),
+            'like_count': traverse_obj(details, ('stats', 'diggCount'), expected_type=int),
+            'repost_count': traverse_obj(details, ('stats', 'shareCount'), expected_type=int),
+            'comment_count': traverse_obj(details, ('stats', 'commentCount'), expected_type=int),
+        }

yt_dlp/extractor/extractors.py

@@ -321,6 +321,7 @@ from .discoveryplusindia import (
     DiscoveryPlusIndiaShowIE,
 )
 from .dotsub import DotsubIE
+from .douyin import DouyinIE
 from .douyutv import (
     DouyuShowIE,
     DouyuTVIE,