Apply suggestions from code review

use f-strings
add headers to all requests
move language to url regex

resolves #8945
resolves #6643

yt_dlp/extractor/adn.py

@@ -8,6 +8,7 @@ from .common import InfoExtractor
 from ..aes import aes_cbc_decrypt_bytes, unpad_pkcs7
 from ..compat import compat_b64decode
 from ..networking.exceptions import HTTPError
+from ..utils.traversal import traverse_obj
 from ..utils import (
     ass_subtitles_timecode,
     bytes_to_intlist,
@@ -19,6 +20,7 @@ from ..utils import (
     long_to_bytes,
     pkcs1pad,
     strip_or_none,
+    str_or_none,
     try_get,
     unified_strdate,
     urlencode_postdata,
@@ -43,14 +45,9 @@ class ADNBaseIE(InfoExtractor):
         'end': 4,
     }
 
-    def _get_distribution_language(self, url):
-        if 'network.de' in url:
-            return 'de'
-        return 'fr'
-
 
 class ADNIE(ADNBaseIE):
-    _VALID_URL = r'https?://(?:www\.)?(?:animation|anime)digitalnetwork\.(fr|de)/video/[^/]+/(?P<id>\d+)'
+    _VALID_URL = r'https?://(?:www\.)?(?:animation|anime)digitalnetwork\.(?P<lang>fr|de)/video/[^/]+/(?P<id>\d+)'
     _TESTS = [{
         'url': 'https://animationdigitalnetwork.fr/video/fruits-basket/9841-episode-1-a-ce-soir',
         'md5': '1c9ef066ceb302c86f80c2b371615261',
@@ -178,7 +175,7 @@ Format: Marked,Start,End,Style,Name,MarginL,MarginR,MarginV,Effect,Text'''
             self.report_warning(message or self._LOGIN_ERR_MESSAGE)
 
     def _real_extract(self, url):
-        video_id = self._match_id(url)
+        lang, video_id = self._match_valid_url(url).group('lang', 'id')
         video_base_url = self._PLAYER_BASE_URL + 'video/%s/' % video_id
         player = self._download_json(
             video_base_url + 'configuration', video_id,
@@ -216,7 +213,8 @@ Format: Marked,Start,End,Style,Name,MarginL,MarginR,MarginV,Effect,Text'''
                 links_data = self._download_json(
                     links_url, video_id, 'Downloading links JSON metadata', headers={
                         'X-Player-Token': authorization,
-                        'X-Target-Distribution': self._get_distribution_language(url),
+                        'X-Target-Distribution': lang,
+                        **self._HEADERS
                     }, query={
                         'freeWithAds': 'true',
                         'adaptive': 'false',
@@ -293,39 +291,35 @@ Format: Marked,Start,End,Style,Name,MarginL,MarginR,MarginV,Effect,Text'''
 
 
 class ADNSeasonIE(ADNBaseIE):
-    _VALID_URL = r'https?://(?:www\.)?(?:animation|anime)digitalnetwork\.(fr|de)/video/(?P<id>[^/]+)/?$'
+    _VALID_URL = r'https?://(?:www\.)?(?:animation|anime)digitalnetwork\.(?P<lang>fr|de)/video/(?P<id>[^/]+)/?(?:$|[#?])'
     _TESTS = [{
         'url': 'https://animationdigitalnetwork.fr/video/tokyo-mew-mew-new',
         'playlist_count': 12,
         'info_dict': {
-            'id': 911,
+            'id': '911',
             'title': 'Tokyo Mew Mew New',
         },
         # 'skip': 'Only available in French end German speaking Europe',
     }]
 
     def _real_extract(self, url):
-        video_show_slug = self._match_id(url)
+        lang, video_show_slug = self._match_valid_url(url).group('lang', 'id')
-        video_base_url = self._API_BASE_URL + 'show/%s/' % video_show_slug
         show = self._download_json(
-            video_base_url, video_show_slug,
+            f'{self._API_BASE_URL}show/{video_show_slug}/', video_show_slug,
-            'Downloading show JSON metadata',
+            'Downloading show JSON metadata', headers=self._HEADERS)['show']
-            headers=self._HEADERS)['show']
+        show_id = str(show['id'])
-        show_id = show['id']
-        lang = self._get_distribution_language(url)
         episodes = self._download_json(
-            self._API_BASE_URL + 'video/show/%s' % show_id, video_show_slug,
+            f'{self._API_BASE_URL}video/show/{show_id}', video_show_slug,
             'Downloading episode list', headers={
                 'X-Target-Distribution': lang,
+                **self._HEADERS
             }, query={
                 'order': 'asc',
                 'limit': '-1',
             })
         entries = []
-        for episode in episodes['videos']:
+        for episode_id in traverse_obj(episodes, ('videos', ..., 'id', {str_or_none})):
             entries.append(self.url_result(
-                'https://animationdigitalnetwork.%s/video/%s/%s' % (lang, video_show_slug, episode['id']),
+                f'https://animationdigitalnetwork.{lang}/video/{video_show_slug}/{episode_id}',
-                ie=ADNIE.ie_key(),
+                ADNIE, episode_id))
-                video_id=episode['id']
+        return self.playlist_result(entries, show_id, show.get('title'))
-            ))
-        return self.playlist_result(entries, show_id, show['title'])