[extractor/qingting] Add extractor (#5329)

Closes #5323
Authored by: changren-wcr, bashonly

yt_dlp/extractor/qingting.py

@@ -0,0 +1,47 @@
+from .common import InfoExtractor
+
+from ..utils import traverse_obj
+
+
+class QingTingIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.|m\.)?(?:qingting\.fm|qtfm\.cn)/v?channels/(?P<channel>\d+)/programs/(?P<id>\d+)'
+    _TESTS = [{
+        'url': 'https://www.qingting.fm/channels/378005/programs/22257411/',
+        'md5': '47e6a94f4e621ed832c316fd1888fb3c',
+        'info_dict': {
+            'id': '22257411',
+            'title': '用了十年才修改，谁在乎教科书？',
+            'channel_id': '378005',
+            'channel': '睡前消息',
+            'uploader': '马督工',
+            'ext': 'm4a',
+        }
+    }, {
+        'url': 'https://m.qtfm.cn/vchannels/378005/programs/23023573/',
+        'md5': '2703120b6abe63b5fa90b975a58f4c0e',
+        'info_dict': {
+            'id': '23023573',
+            'title': '【睡前消息488】重庆山火之后，有图≠真相',
+            'channel_id': '378005',
+            'channel': '睡前消息',
+            'uploader': '马督工',
+            'ext': 'm4a',
+        }
+    }]
+
+    def _real_extract(self, url):
+        channel_id, pid = self._match_valid_url(url).group('channel', 'id')
+        webpage = self._download_webpage(
+            f'https://m.qtfm.cn/vchannels/{channel_id}/programs/{pid}/', pid)
+        info = self._search_json(r'window\.__initStores\s*=', webpage, 'program info', pid)
+        return {
+            'id': pid,
+            'title': traverse_obj(info, ('ProgramStore', 'programInfo', 'title')),
+            'channel_id': channel_id,
+            'channel': traverse_obj(info, ('ProgramStore', 'channelInfo', 'title')),
+            'uploader': traverse_obj(info, ('ProgramStore', 'podcasterInfo', 'podcaster', 'nickname')),
+            'url': traverse_obj(info, ('ProgramStore', 'programInfo', 'audioUrl')),
+            'vcodec': 'none',
+            'acodec': 'm4a',
+            'ext': 'm4a',
+        }