[extractor/Audiodraft] Add extractors (#4288)

Based on https://github.com/yt-dlp/yt-dlp/pull/4259
Closes https://github.com/yt-dlp/yt-dlp/issues/4028

Authored by: fstirlitz, Ashish0804

yt_dlp/extractor/audiodraft.py

@@ -0,0 +1,93 @@
+from .common import InfoExtractor
+from ..utils import int_or_none
+
+
+class AudiodraftBaseIE(InfoExtractor):
+    def _audiodraft_extract_from_id(self, player_entry_id):
+        data_json = self._download_json(
+            'https://www.audiodraft.com/scripts/general/player/getPlayerInfoNew.php', player_entry_id,
+            headers={
+                'Content-type': 'application/x-www-form-urlencoded; charset=UTF-8',
+                'X-Requested-With': 'XMLHttpRequest',
+            }, data=f'id={player_entry_id}'.encode('utf-8'))
+
+        return {
+            'id': str(data_json['entry_id']),
+            'title': data_json.get('entry_title'),
+            'url': data_json['path'],
+            'vcodec': 'none',
+            'ext': 'mp3',
+            'uploader': data_json.get('designer_name'),
+            'uploader_id': data_json.get('designer_id'),
+            'webpage_url': data_json.get('entry_url'),
+            'like_count': int_or_none(data_json.get('entry_likes')),
+            'average_rating': int_or_none(data_json.get('entry_rating')),
+        }
+
+
+class AudiodraftCustomIE(AudiodraftBaseIE):
+    IE_NAME = 'Audiodraft:custom'
+    _VALID_URL = r'https?://(?:[-\w]+)\.audiodraft\.com/entry/(?P<id>\d+)'
+
+    _TESTS = [{
+        'url': 'http://nokiatune.audiodraft.com/entry/5874',
+        'info_dict': {
+            'id': '9485',
+            'ext': 'mp3',
+            'title': 'Hula Hula Calls',
+            'uploader': 'unclemaki',
+            'uploader_id': '13512',
+            'average_rating': 5,
+            'like_count': int,
+        },
+    }, {
+        'url': 'http://vikinggrace.audiodraft.com/entry/501',
+        'info_dict': {
+            'id': '22241',
+            'ext': 'mp3',
+            'title': 'MVG Happy',
+            'uploader': 'frog',
+            'uploader_id': '19142',
+            'average_rating': 5,
+            'like_count': int,
+        },
+    }, {
+        'url': 'http://timferriss.audiodraft.com/entry/765',
+        'info_dict': {
+            'id': '19710',
+            'ext': 'mp3',
+            'title': 'ferris03',
+            'uploader': 'malex',
+            'uploader_id': '17335',
+            'average_rating': 5,
+            'like_count': int,
+        },
+    }]
+
+    def _real_extract(self, url):
+        id = self._match_id(url)
+        webpage = self._download_webpage(url, id)
+        player_entry_id = self._search_regex(r'playAudio\(\'(player_entry_\d+)\'\);', webpage, id, 'play entry id')
+        return self._audiodraft_extract_from_id(player_entry_id)
+
+
+class AudiodraftGenericIE(AudiodraftBaseIE):
+    IE_NAME = 'Audiodraft:generic'
+    _VALID_URL = r'https?://www\.audiodraft\.com/contests/[^/#]+#entries&eid=(?P<id>\d+)'
+
+    _TESTS = [{
+        'url': 'https://www.audiodraft.com/contests/570-Score-A-Video-Surprise-Us#entries&eid=30138',
+        'info_dict': {
+            'id': '30138',
+            'ext': 'mp3',
+            'title': 'DROP in sound_V2',
+            'uploader': 'TiagoSilva',
+            'uploader_id': '19452',
+            'average_rating': 4,
+            'like_count': int,
+        },
+    }]
+
+    def _real_extract(self, url):
+        id = self._match_id(url)
+        return self._audiodraft_extract_from_id(f'player_entry_{id}')