[ie/anigamer] add extractor

yt_dlp/extractor/_extractors.py

@@ -127,6 +127,7 @@ from .americastestkitchen import (
 )
 from .anchorfm import AnchorFMEpisodeIE
 from .angel import AngelIE
+from .anigamer import AniGamerIE
 from .antenna import (
     Ant1NewsGrArticleIE,
     Ant1NewsGrEmbedIE,

yt_dlp/extractor/anigamer.py

@@ -0,0 +1,82 @@
+from .common import InfoExtractor
+from ..utils import float_or_none, smuggle_url, unified_timestamp, unsmuggle_url
+from ..utils.traversal import traverse_obj
+
+
+class AniGamerIE(InfoExtractor):
+    _VALID_URL = r'https?://ani\.gamer\.com\.tw/animeVideo\.php\?sn=(?P<id>\d+)'
+
+    RATING_TO_AGE_LIMIT = {
+        1: 0,
+        2: 6,
+        3: 12,
+        4: 15,
+        # Seems like there's no age limit for '5'
+        6: 18,
+    }
+
+    def _real_extract(self, url):
+        url, unsmuggled_data = unsmuggle_url(url, {})
+        video_id = self._match_id(url)
+        device_id = self._download_json(
+            'https://ani.gamer.com.tw/ajax/getdeviceid.php', video_id,
+            'Downloading device ID', 'Failed to download device ID',
+            headers=self.geo_verification_headers())['deviceid']
+        metadata = {}
+        format_id = '0'
+        if api_result := self._download_json(
+                'https://api.gamer.com.tw/anime/v1/video.php', video_id,
+                'Downloading video info', 'Failed to download video info',
+                query={'videoSn': video_id}).get('data'):
+
+            metadata.update(traverse_obj(api_result, ('anime', {
+                'description': 'content',
+                'thumbnail': 'cover',
+                'tags': 'tags',
+                'creators': ('director', {lambda x: [x]}),
+                'title': 'title',
+            })))
+            playlist_id = traverse_obj(api_result, ('video', 'animeSn')) or ''
+            if self._yes_playlist(playlist_id, video_id) and unsmuggled_data.get('extract_playlist') is not False:
+                return self.playlist_result(
+                    (self.url_result(
+                        smuggle_url(f'https://ani.gamer.com.tw/animeVideo.php?sn={ep["videoSn"]}', {
+                            'extract_playlist': False,
+                        }),
+                        AniGamerIE,
+                        video_id=ep['videoSn'], thumbnail=ep['cover']) for ep in traverse_obj(
+                            api_result,
+                            # This (the first ellipsis) extracts episodes of all languages,
+                            # maybe just extract episodes of the current language?
+                            ('anime', 'episodes', ..., ...))),
+                    playlist_id=playlist_id, **metadata)
+
+            # video-specific metadata, extract after returning the playlist result
+            metadata.update(traverse_obj(api_result, ('video', {
+                'thumbnail': 'cover',
+                'title': 'title',
+                'timestamp': ('upTime', {unified_timestamp}),
+                'duration': ('duration', {float_or_none}, {lambda x: x * 60}),
+                'age_limit': ('rating', {lambda x: self.RATING_TO_AGE_LIMIT.get(x)}),
+            })))
+            format_id = traverse_obj(api_result, ('video', 'quality'), default=format_id)
+
+        m3u8_info = self._download_json('https://ani.gamer.com.tw/ajax/m3u8.php', video_id, query={
+            'sn': video_id,
+            'device': device_id,
+        }, headers=self.geo_verification_headers(), expected_status=400)
+
+        error_code = traverse_obj(m3u8_info, ('error', 'code'))
+        if error_code == 1011:
+            self.raise_geo_restricted()
+        # TODO: handle more error codes
+        src = m3u8_info['src']
+        return {
+            **metadata,
+            'id': video_id,
+            'formats': [{
+                'format_id': format_id,
+                'url': src,
+                'ext': 'mp4',
+            }],
+        }