[extractor/medaltv] Fix extraction (#4739)

Authored by: xenova

yt_dlp/extractor/medaltv.py

@@ -8,15 +8,33 @@
     float_or_none,
     int_or_none,
     str_or_none,
-    try_get,
+    traverse_obj,
 )
 
 
 class MedalTVIE(InfoExtractor):
-    _VALID_URL = r'https?://(?:www\.)?medal\.tv/clips/(?P<id>[^/?#&]+)'
+    _VALID_URL = r'https?://(?:www\.)?medal\.tv/(?P<path>games/[^/?#&]+/clips)/(?P<id>[^/?#&]+)'
     _TESTS = [{
-        'url': 'https://medal.tv/clips/2mA60jWAGQCBH',
-        'md5': '7b07b064331b1cf9e8e5c52a06ae68fa',
+        'url': 'https://medal.tv/games/valorant/clips/jTBFnLKdLy15K',
+        'md5': '6930f8972914b6b9fdc2bb3918098ba0',
+        'info_dict': {
+            'id': 'jTBFnLKdLy15K',
+            'ext': 'mp4',
+            'title': "Mornu's clutch",
+            'description': '',
+            'uploader': 'Aciel',
+            'timestamp': 1651628243,
+            'upload_date': '20220504',
+            'uploader_id': '19335460',
+            'uploader_url': 'https://medal.tv/users/19335460',
+            'comment_count': int,
+            'view_count': int,
+            'like_count': int,
+            'duration': 13,
+        }
+    }, {
+        'url': 'https://medal.tv/games/cod%20cold%20war/clips/2mA60jWAGQCBH',
+        'md5': '3d19d426fe0b2d91c26e412684e66a06',
         'info_dict': {
             'id': '2mA60jWAGQCBH',
             'ext': 'mp4',
@@ -26,9 +44,15 @@ class MedalTVIE(InfoExtractor):
             'timestamp': 1603165266,
             'upload_date': '20201020',
             'uploader_id': '10619174',
+            'thumbnail': 'https://cdn.medal.tv/10619174/thumbnail-34934644-720p.jpg?t=1080p&c=202042&missing',
+            'uploader_url': 'https://medal.tv/users/10619174',
+            'comment_count': int,
+            'view_count': int,
+            'like_count': int,
+            'duration': 23,
         }
     }, {
-        'url': 'https://medal.tv/clips/2um24TWdty0NA',
+        'url': 'https://medal.tv/games/cod%20cold%20war/clips/2um24TWdty0NA',
         'md5': 'b6dc76b78195fff0b4f8bf4a33ec2148',
         'info_dict': {
             'id': '2um24TWdty0NA',
@@ -39,25 +63,42 @@ class MedalTVIE(InfoExtractor):
             'timestamp': 1605580939,
             'upload_date': '20201117',
             'uploader_id': '5156321',
+            'thumbnail': 'https://cdn.medal.tv/5156321/thumbnail-36787208-360p.jpg?t=1080p&c=202046&missing',
+            'uploader_url': 'https://medal.tv/users/5156321',
+            'comment_count': int,
+            'view_count': int,
+            'like_count': int,
+            'duration': 9,
         }
     }, {
-        'url': 'https://medal.tv/clips/37rMeFpryCC-9',
+        'url': 'https://medal.tv/games/valorant/clips/37rMeFpryCC-9',
         'only_matching': True,
     }, {
-        'url': 'https://medal.tv/clips/2WRj40tpY_EU9',
+        'url': 'https://medal.tv/games/valorant/clips/2WRj40tpY_EU9',
         'only_matching': True,
     }]
 
     def _real_extract(self, url):
         video_id = self._match_id(url)
+        path = self._match_valid_url(url).group('path')
+
         webpage = self._download_webpage(url, video_id)
 
-        hydration_data = self._parse_json(self._search_regex(
-            r'<script[^>]*>\s*(?:var\s*)?hydrationData\s*=\s*({.+?})\s*</script>',
-            webpage, 'hydration data', default='{}'), video_id)
+        next_data = self._search_json(
+            '<script[^>]*__NEXT_DATA__[^>]*>', webpage,
+            'next data', video_id, end_pattern='</script>', fatal=False)
 
-        clip = try_get(
-            hydration_data, lambda x: x['clips'][video_id], dict) or {}
+        build_id = next_data.get('buildId')
+        if not build_id:
+            raise ExtractorError(
+                'Could not find build ID.', video_id=video_id)
+
+        locale = next_data.get('locale', 'en')
+
+        api_response = self._download_json(
+            f'https://medal.tv/_next/data/{build_id}/{locale}/{path}/{video_id}.json', video_id)
+
+        clip = traverse_obj(api_response, ('pageProps', 'clip')) or {}
         if not clip:
             raise ExtractorError(
                 'Could not find video information.', video_id=video_id)
@@ -113,9 +154,8 @@ def add_item(container, item_url, height, id_key='format_id', item_id=None):
 
         # Necessary because the id of the author is not known in advance.
         # Won't raise an issue if no profile can be found as this is optional.
-        author = try_get(
-            hydration_data, lambda x: list(x['profiles'].values())[0], dict) or {}
-        author_id = str_or_none(author.get('id'))
+        author = traverse_obj(api_response, ('pageProps', 'profile')) or {}
+        author_id = str_or_none(author.get('userId'))
         author_url = format_field(author_id, None, 'https://medal.tv/users/%s')
 
         return {