[extractor/FranceCulture] Fix extractor (#3874)

Closes #3742
Authored by: aurelg, pukkandan

yt_dlp/extractor/common.py

@@ -1188,11 +1188,11 @@ class InfoExtractor:
             self.report_warning('unable to extract %s' % _name + bug_reports_message())
             return None
 
-    def _search_json(self, start_pattern, string, name, video_id, *, end_pattern='', fatal=True, **kwargs):
+    def _search_json(self, start_pattern, string, name, video_id, *, end_pattern='', contains_pattern='.+', fatal=True, **kwargs):
         """Searches string for the JSON object specified by start_pattern"""
         # NB: end_pattern is only used to reduce the size of the initial match
         return self._parse_json(
-            self._search_regex(rf'{start_pattern}\s*(?P<json>{{.+}})\s*{end_pattern}',
+            self._search_regex(rf'{start_pattern}\s*(?P<json>{{{contains_pattern}}})\s*{end_pattern}',
                                string, name, group='json', fatal=fatal) or '{}',
             video_id, fatal=fatal, ignore_extra=True, **kwargs) or {}
 

yt_dlp/extractor/franceculture.py

@@ -1,125 +1,46 @@
-import re
 from .common import InfoExtractor
-from ..utils import (
-    determine_ext,
-    extract_attributes,
-    int_or_none,
-    traverse_obj,
-    unified_strdate,
-)
+from ..utils import int_or_none, parse_duration, unified_strdate
 
 
 class FranceCultureIE(InfoExtractor):
-    _VALID_URL = r'https?://(?:www\.)?franceculture\.fr/emissions/(?:[^/]+/)*(?P<id>[^/?#&]+)'
-    _TESTS = [{
-        # playlist
-        'url': 'https://www.franceculture.fr/emissions/serie/hasta-dente',
-        'playlist_count': 12,
-        'info_dict': {
-            'id': 'hasta-dente',
-            'title': 'Hasta Dente',
-            'description': 'md5:57479af50648d14e9bb649e6b1f8f911',
-            'thumbnail': r're:^https?://.*\.jpg$',
-            'upload_date': '20201024',
-        },
-        'playlist': [{
+    _VALID_URL = r'https?://(?:www\.)?radiofrance\.fr/franceculture/podcasts/(?:[^?#]+/)?(?P<display_id>[^?#]+)-(?P<id>\d+)($|[?#])'
+    _TESTS = [
+        {
+            'url': 'https://www.radiofrance.fr/franceculture/podcasts/science-en-questions/la-physique-d-einstein-aiderait-elle-a-comprendre-le-cerveau-8440487',
             'info_dict': {
-                'id': '3c1c2e55-41a0-11e5-9fe0-005056a87c89',
+                'id': '8440487',
+                'display_id': 'la-physique-d-einstein-aiderait-elle-a-comprendre-le-cerveau',
                 'ext': 'mp3',
-                'title': 'Jeudi, vous avez dit bizarre ?',
-                'description': 'md5:47cf1e00cc21c86b0210279996a812c6',
-                'duration': 604,
-                'upload_date': '20201024',
-                'thumbnail': r're:^https?://.*\.jpg$',
-                'timestamp': 1603576680
+                'title': 'La physique d’Einstein aiderait-elle à comprendre le cerveau ?',
+                'description': 'Existerait-il un pont conceptuel entre la physique de l’espace-temps et les neurosciences ?',
+                'thumbnail': 'https://cdn.radiofrance.fr/s3/cruiser-production/2022/05/d184e7a3-4827-4494-bf94-04ed7b120db4/1200x630_gettyimages-200171095-001.jpg',
+                'upload_date': '20220514',
+                'duration': 2750,
             },
         },
-        ],
-    }, {
-        'url': 'https://www.franceculture.fr/emissions/carnet-nomade/rendez-vous-au-pays-des-geeks',
-        'info_dict': {
-            'id': 'rendez-vous-au-pays-des-geeks',
-            'display_id': 'rendez-vous-au-pays-des-geeks',
-            'ext': 'mp3',
-            'title': 'Rendez-vous au pays des geeks',
-            'thumbnail': r're:^https?://.*\.jpg$',
-            'upload_date': '20140301',
-            'vcodec': 'none',
-            'duration': 3569,
-        },
-    }, {
-        # no thumbnail
-        'url': 'https://www.franceculture.fr/emissions/la-recherche-montre-en-main/la-recherche-montre-en-main-du-mercredi-10-octobre-2018',
-        'only_matching': True,
-    }]
+    ]
 
     def _real_extract(self, url):
-        display_id = self._match_id(url)
+        video_id, display_id = self._match_valid_url(url).group('id', 'display_id')
         webpage = self._download_webpage(url, display_id)
 
-        info = {
-            'id': display_id,
-            'title': self._html_search_regex(
-                r'(?s)<h1[^>]*itemprop="[^"]*name[^"]*"[^>]*>(.+?)</h1>',
-                webpage, 'title', default=self._og_search_title(webpage)),
+        # _search_json_ld doesn't correctly handle this. See https://github.com/yt-dlp/yt-dlp/pull/3874#discussion_r891903846
+        video_data = self._search_json('', webpage, 'audio data', display_id, contains_pattern=r'\s*"@type"\s*:\s*"AudioObject"\s*.+')
+
+        return {
+            'id': video_id,
+            'display_id': display_id,
+            'url': video_data['contentUrl'],
+            'ext': video_data.get('encodingFormat'),
+            'vcodec': 'none' if video_data.get('encodingFormat') == 'mp3' else None,
+            'duration': parse_duration(video_data.get('duration')),
+            'title': self._html_search_regex(r'(?s)<h1[^>]*itemprop="[^"]*name[^"]*"[^>]*>(.+?)</h1>',
+                                             webpage, 'title', default=self._og_search_title(webpage)),
             'description': self._html_search_regex(
-                r'(?s)<div[^>]+class="excerpt"[^>]*>(.*?)</div>', webpage, 'description', default=None),
+                r'(?s)<meta name="description"\s*content="([^"]+)', webpage, 'description', default=None),
             'thumbnail': self._og_search_thumbnail(webpage),
             'uploader': self._html_search_regex(
                 r'(?s)<span class="author">(.*?)</span>', webpage, 'uploader', default=None),
-            'upload_date': unified_strdate(self._html_search_regex(
-                r'(?s)class="teaser-text-date".*?(\d{2}/\d{2}/\d{4})', webpage, 'date', default=None)),
-        }
-
-        playlist_data = self._search_regex(
-            r'''(?sx)
-                <section[^>]+data-xiti-place="[^"]*?liste_episodes[^"?]*?"[^>]*>
-                (.*?)
-                </section>
-            ''',
-            webpage, 'playlist data', fatal=False, default=None)
-
-        if playlist_data:
-            entries = []
-            for item, item_description in re.findall(
-                    r'(?s)(<button[^<]*class="[^"]*replay-button[^>]*>).*?<p[^>]*class="[^"]*teaser-text-chapo[^>]*>(.*?)</p>',
-                    playlist_data):
-
-                item_attributes = extract_attributes(item)
-                entries.append({
-                    'id': item_attributes.get('data-emission-uuid'),
-                    'url': item_attributes.get('data-url'),
-                    'title': item_attributes.get('data-diffusion-title'),
-                    'duration': int_or_none(traverse_obj(item_attributes, 'data-duration-seconds', 'data-duration-seconds')),
-                    'description': item_description,
-                    'timestamp': int_or_none(item_attributes.get('data-start-time')),
-                    'thumbnail': info['thumbnail'],
-                    'uploader': info['uploader'],
-                })
-
-            return {
-                '_type': 'playlist',
-                'entries': entries,
-                **info
-            }
-
-        video_data = extract_attributes(self._search_regex(
-            r'''(?sx)
-                (?:
-                    </h1>|
-                    <div[^>]+class="[^"]*?(?:title-zone-diffusion|heading-zone-(?:wrapper|player-button))[^"]*?"[^>]*>
-                ).*?
-                (<button[^>]+data-(?:url|asset-source)="[^"]+"[^>]+>)
-            ''',
-            webpage, 'video data'))
-        video_url = traverse_obj(video_data, 'data-url', 'data-asset-source')
-        ext = determine_ext(video_url.lower())
-
-        return {
-            'display_id': display_id,
-            'url': video_url,
-            'ext': ext,
-            'vcodec': 'none' if ext == 'mp3' else None,
-            'duration': int_or_none(video_data.get('data-duration')),
-            **info
+            'upload_date': unified_strdate(self._search_regex(
+                r'"datePublished"\s*:\s*"([^"]+)', webpage, 'timestamp', fatal=False))
         }