[ie/graspop] Add extractor (#10268)

Authored by: Niluge-KiWi

yt_dlp/extractor/graspop.py

@@ -0,0 +1,32 @@
+from .common import InfoExtractor
+from ..utils import update_url, url_or_none
+from ..utils.traversal import traverse_obj
+
+
+class GraspopIE(InfoExtractor):
+    _VALID_URL = r'https?://vod\.graspop\.be/[a-z]{2}/(?P<id>\d+)/'
+    _TESTS = [{
+        'url': 'https://vod.graspop.be/fr/101556/thy-art-is-murder-concert/',
+        'info_dict': {
+            'id': '101556',
+            'ext': 'mp4',
+            'title': 'Thy Art Is Murder',
+            'thumbnail': r're:https://cdn-mds\.pickx\.be/festivals/v3/global/original/.+\.jpg',
+        },
+    }]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        metadata = self._download_json(
+            f'https://tv.proximus.be/MWC/videocenter/festivals/{video_id}/stream', video_id)
+
+        return {
+            'id': video_id,
+            'formats': self._extract_m3u8_formats(
+                # Downgrade manifest request to avoid incomplete certificate chain error
+                update_url(metadata['source']['assetUri'], scheme='http'), video_id, 'mp4'),
+            **traverse_obj(metadata, {
+                'title': ('name', {str}),
+                'thumbnail': ('source', 'poster', {url_or_none}),
+            }),
+        }