[ie/nebula] Support podcasts (#9140)

Closes #8838
Authored by: seproDev, c-basalt

Co-authored-by: c-basalt <117849907+c-basalt@users.noreply.github.com>

yt_dlp/extractor/nebula.py

@@ -1,6 +1,7 @@
 import itertools
 import json
 
+from .art19 import Art19IE
 from .common import InfoExtractor
 from ..networking.exceptions import HTTPError
 from ..utils import (
@@ -112,7 +113,8 @@ class NebulaBaseIE(InfoExtractor):
 
 
 class NebulaIE(NebulaBaseIE):
-    _VALID_URL = rf'{_BASE_URL_RE}/videos/(?P<id>[-\w]+)'
+    IE_NAME = 'nebula:video'
+    _VALID_URL = rf'{_BASE_URL_RE}/videos/(?P<id>[\w-]+)'
     _TESTS = [{
         'url': 'https://nebula.tv/videos/that-time-disney-remade-beauty-and-the-beast',
         'info_dict': {
@@ -236,8 +238,8 @@ class NebulaIE(NebulaBaseIE):
 
 
 class NebulaClassIE(NebulaBaseIE):
-    IE_NAME = 'nebula:class'
-    _VALID_URL = rf'{_BASE_URL_RE}/(?P<id>[-\w]+)/(?P<ep>\d+)'
+    IE_NAME = 'nebula:media'
+    _VALID_URL = rf'{_BASE_URL_RE}/(?!(?:myshows|library|videos)/)(?P<id>[\w-]+)/(?P<ep>[\w-]+)/?(?:$|[?#])'
     _TESTS = [{
         'url': 'https://nebula.tv/copyright-for-fun-and-profit/14',
         'info_dict': {
@@ -253,6 +255,46 @@ class NebulaClassIE(NebulaBaseIE):
             'title': 'Photos, Sculpture, and Video',
         },
         'params': {'skip_download': 'm3u8'},
+    }, {
+        'url': 'https://nebula.tv/extremitiespodcast/pyramiden-the-high-arctic-soviet-ghost-town',
+        'info_dict': {
+            'ext': 'mp3',
+            'id': '018f65f0-0033-4021-8f87-2d132beb19aa',
+            'description': 'md5:05d2b23ab780c955e2511a2b9127acff',
+            'series_id': '335e8159-d663-491a-888f-1732285706ac',
+            'modified_timestamp': 1599091504,
+            'episode_id': '018f65f0-0033-4021-8f87-2d132beb19aa',
+            'series': 'Extremities',
+            'modified_date': '20200903',
+            'upload_date': '20200902',
+            'title': 'Pyramiden: The High-Arctic Soviet Ghost Town',
+            'release_timestamp': 1571237958,
+            'thumbnail': r're:^https?://content\.production\.cdn\.art19\.com.*\.jpeg$',
+            'duration': 1546.05714,
+            'timestamp': 1599085608,
+            'release_date': '20191016',
+        },
+    }, {
+        'url': 'https://nebula.tv/thelayover/the-layover-episode-1',
+        'info_dict': {
+            'ext': 'mp3',
+            'id': '9d74a762-00bb-45a8-9e8d-9ed47c04a1d0',
+            'episode_number': 1,
+            'thumbnail': r're:^https?://content\.production\.cdn\.art19\.com.*\.jpeg$',
+            'release_date': '20230304',
+            'modified_date': '20230403',
+            'series': 'The Layover',
+            'episode_id': '9d74a762-00bb-45a8-9e8d-9ed47c04a1d0',
+            'modified_timestamp': 1680554566,
+            'duration': 3130.46401,
+            'release_timestamp': 1677943800,
+            'title': 'The Layover — Episode 1',
+            'series_id': '874303a5-4900-4626-a4b6-2aacac34466a',
+            'upload_date': '20230303',
+            'episode': 'Episode 1',
+            'timestamp': 1677883672,
+            'description': 'md5:002cca89258e3bc7c268d5b8c24ba482',
+        },
     }]
 
     def _real_extract(self, url):
@@ -268,16 +310,38 @@ class NebulaClassIE(NebulaBaseIE):
 
         metadata = self._call_api(
             f'https://content.api.nebula.app/content/{slug}/{episode}/?include=lessons',
-            slug, note='Fetching video metadata')
+            slug, note='Fetching class/podcast metadata')
+        content_type = metadata.get('type')
+        if content_type == 'lesson':
             return {
                 **self._extract_video_metadata(metadata),
                 **self._extract_formats(metadata['id'], slug),
             }
+        elif content_type == 'podcast_episode':
+            episode_url = metadata['episode_url']
+            if not episode_url and metadata.get('premium'):
+                self.raise_login_required()
+
+            if Art19IE.suitable(episode_url):
+                return self.url_result(episode_url, Art19IE)
+            return traverse_obj(metadata, {
+                'id': ('id', {str}),
+                'url': ('episode_url', {url_or_none}),
+                'title': ('title', {str}),
+                'description': ('description', {str}),
+                'timestamp': ('published_at', {parse_iso8601}),
+                'duration': ('duration', {int_or_none}),
+                'channel_id': ('channel_id', {str}),
+                'chnanel': ('channel_title', {str}),
+                'thumbnail': ('assets', 'regular', {url_or_none}),
+            })
+
+        raise ExtractorError(f'Unexpected content type {content_type!r}')
 
 
 class NebulaSubscriptionsIE(NebulaBaseIE):
     IE_NAME = 'nebula:subscriptions'
-    _VALID_URL = rf'{_BASE_URL_RE}/(?P<id>myshows|library/latest-videos)'
+    _VALID_URL = rf'{_BASE_URL_RE}/(?P<id>myshows|library/latest-videos)/?(?:$|[?#])'
     _TESTS = [{
         'url': 'https://nebula.tv/myshows',
         'playlist_mincount': 1,
@@ -310,7 +374,7 @@ class NebulaSubscriptionsIE(NebulaBaseIE):
 
 class NebulaChannelIE(NebulaBaseIE):
     IE_NAME = 'nebula:channel'
-    _VALID_URL = rf'{_BASE_URL_RE}/(?!myshows|library|videos/)(?P<id>[-\w]+)/?(?:$|[?#])'
+    _VALID_URL = rf'{_BASE_URL_RE}/(?!myshows|library|videos)(?P<id>[\w-]+)/?(?:$|[?#])'
     _TESTS = [{
         'url': 'https://nebula.tv/tom-scott-presents-money',
         'info_dict': {
@@ -343,6 +407,14 @@ class NebulaChannelIE(NebulaBaseIE):
             'description': 'md5:6690248223eed044a9f11cd5a24f9742',
         },
         'playlist_count': 23,
+    }, {
+        'url': 'https://nebula.tv/trussissuespodcast',
+        'info_dict': {
+            'id': 'trussissuespodcast',
+            'title': 'The TLDR News Podcast',
+            'description': 'md5:a08c4483bc0b705881d3e0199e721385',
+        },
+        'playlist_mincount': 80,
     }]
 
     def _generate_playlist_entries(self, collection_id, collection_slug):
@@ -365,6 +437,17 @@ class NebulaChannelIE(NebulaBaseIE):
                 lesson.get('share_url') or f'https://nebula.tv/{metadata["class_slug"]}/{metadata["slug"]}',
                 {'id': lesson['id']}), NebulaClassIE, url_transparent=True, **metadata)
 
+    def _generate_podcast_entries(self, collection_id, collection_slug):
+        next_url = f'https://content.api.nebula.app/podcast_channels/{collection_id}/podcast_episodes/?ordering=-published_at&premium=true'
+        for page_num in itertools.count(1):
+            episodes = self._call_api(next_url, collection_slug, note=f'Retrieving podcast page {page_num}')
+
+            for episode in traverse_obj(episodes, ('results', lambda _, v: url_or_none(v['share_url']))):
+                yield self.url_result(episode['share_url'], NebulaClassIE)
+            next_url = episodes.get('next')
+            if not next_url:
+                break
+
     def _real_extract(self, url):
         collection_slug = self._match_id(url)
         channel = self._call_api(
@@ -373,6 +456,8 @@ class NebulaChannelIE(NebulaBaseIE):
 
         if channel.get('type') == 'class':
             entries = self._generate_class_entries(channel)
+        elif channel.get('type') == 'podcast_channel':
+            entries = self._generate_podcast_entries(channel['id'], collection_slug)
         else:
             entries = self._generate_playlist_entries(channel['id'], collection_slug)