change arg name for clarity within the method's code

yt_dlp/extractor/gamedevtv.py

@@ -15,10 +15,9 @@ from ..utils.traversal import traverse_obj
 
 
 class GameDevTVDashboardIE(InfoExtractor):
-    _VALID_URL = r'https?://(?:www\.)?gamedev\.tv/dashboard/courses/(?P<course_id>\d+)/?(?P<lecture_id>\d*)'
+    _VALID_URL = r'https?://(?:www\.)?gamedev\.tv/dashboard/courses/(?P<course_id>\d+)(?:/(?P<lecture_id>\d+))?'
     _NETRC_MACHINE = 'gamedevtv'
-    _TESTS = [
+    _TESTS = [{
-        {
         'url': 'https://www.gamedev.tv/dashboard/courses/25',
         'info_dict': {
             'id': '25',
@@ -28,12 +27,36 @@ class GameDevTVDashboardIE(InfoExtractor):
             'thumbnail': 'https://gamedev-files.b-cdn.net/courses/qisc9pmu1jdc.jpg',
             'upload_date': '20220516',
             'timestamp': 1652694420,
-                'modified_date': '20241105',
+            'modified_date': '20241027',
-                'modified_timestamp': 1730767250,
+            'modified_timestamp': 1730049658,
         },
         'playlist_count': 100,
+    }, {
+        'url': 'https://www.gamedev.tv/dashboard/courses/63/2279',
+        'info_dict': {
+            'id': 'df04f4d8-68a4-4756-a71b-9ca9446c3a01',
+            'ext': 'mp4',
+            'modified_timestamp': 1701695752,
+            'upload_date': '20230504',
+            'episode': 'MagicaVoxel Community Course Introduction',
+            'series_id': '63',
+            'title': 'MagicaVoxel Community Course Introduction',
+            'timestamp': 1683195397,
+            'modified_date': '20231204',
+            'categories': ['3D Art', 'MagicaVoxel'],
+            'season': 'MagicaVoxel Community Course',
+            'tags': ['MagicaVoxel', 'all', 'course'],
+            'series': 'MagicaVoxel 3D Art Mini Course',
+            'duration': 1405,
+            'episode_number': 1,
+            'season_number': 1,
+            'season_id': '219',
+            'description': 'md5:a378738c5bbec1c785d76c067652d650',
+            'display_id': '63-219-2279',
+            'alt_title': '1_CC_MVX MagicaVoxel Community Course Introduction.mp4',
+            'thumbnail': 'https://vz-23691c65-6fa.b-cdn.net/df04f4d8-68a4-4756-a71b-9ca9446c3a01/thumbnail.jpg',
         },
-    ]
+    }]
     _API_HEADERS = {}
 
     def _perform_login(self, username, password):
@@ -51,40 +74,26 @@ class GameDevTVDashboardIE(InfoExtractor):
                 raise ExtractorError('Invalid username/password', expected=True)
             raise
 
-        self._API_HEADERS['Authorization'] = (f'{response["token_type"]} {response["access_token"]}')
+        self._API_HEADERS['Authorization'] = f'{response["token_type"]} {response["access_token"]}'
 
     def _real_initialize(self):
         if not self._API_HEADERS.get('Authorization'):
             self.raise_login_required(
                 'This content is only available with purchase', method='password')
 
-    def _entries(self, data, course_id, course_info, lecture_id):
+    def _entries(self, data, course_id, course_info, selected_lecture):
         for section in traverse_obj(data, ('sections', ..., {dict})):
-            section_info = traverse_obj(
+            section_info = traverse_obj(section, {
-                section,
-                {
                 'season_id': ('id', {str_or_none}),
                 'season': ('title', {str}),
                 'season_number': ('order', {int_or_none}),
-                },
+            })
-            )
+            for lecture in traverse_obj(section, ('lectures', lambda _, v: url_or_none(v['video']['playListUrl']))):
-            for lecture in traverse_obj(
+                if selected_lecture and str(lecture.get('id')) != selected_lecture:
-                section,
-                ('lectures', lambda _, v: url_or_none(v['video']['playListUrl'])),
-            ):
-                if lecture_id and str(lecture.get('id')) != lecture_id:
                     continue
-                display_id = join_nonempty(
+                display_id = join_nonempty(course_id, section_info.get('season_id'), lecture.get('id'))
-                    course_id,
-                    section_info.get('season_id'),
-                    lecture.get('id'),
-                )
                 formats, subtitles = self._extract_m3u8_formats_and_subtitles(
-                    lecture['video']['playListUrl'],
+                    lecture['video']['playListUrl'], display_id, 'mp4', m3u8_id='hls')
-                    display_id,
-                    'mp4',
-                    m3u8_id='hls',
-                )
                 yield {
                     **course_info,
                     **section_info,
@@ -94,9 +103,7 @@ class GameDevTVDashboardIE(InfoExtractor):
                     'subtitles': subtitles,
                     'series': course_info.get('title'),
                     'series_id': course_id,
-                    **traverse_obj(
+                    **traverse_obj(lecture, {
-                        lecture,
-                        {
                         'id': ('video', 'guid', {str}),
                         'title': ('title', {str}),
                         'alt_title': ('video', 'title', {str}),
@@ -105,36 +112,25 @@ class GameDevTVDashboardIE(InfoExtractor):
                         'episode_number': ('order', {int_or_none}),
                         'duration': ('video', 'duration_in_sec', {int_or_none}),
                         'timestamp': ('video', 'created_at', {parse_iso8601}),
-                            'modified_timestamp': (
+                        'modified_timestamp': ('video', 'updated_at', {parse_iso8601}),
-                                'video',
-                                'updated_at',
-                                {parse_iso8601},
-                            ),
                         'thumbnail': ('video', 'thumbnailUrl', {url_or_none}),
-                        },
+                    }),
-                    ),
                 }
 
     def _real_extract(self, url):
-        course_id, lecture_id = self._match_valid_url(url).group(
+        course_id, lecture_id = self._match_valid_url(url).group('course_id', 'lecture_id')
-            'course_id',
-            'lecture_id',
-        )
         data = self._download_json(
             f'https://api.gamedev.tv/api/courses/my/{course_id}', course_id,
             headers=self._API_HEADERS)['data']
 
-        course_info = traverse_obj(
+        course_info = traverse_obj(data, {
-            data,
-            {
             'title': ('title', {str}),
             'tags': ('tags', ..., 'name', {str}),
             'categories': ('categories', ..., 'title', {str}),
             'timestamp': ('created_at', {parse_iso8601}),
             'modified_timestamp': ('updated_at', {parse_iso8601}),
             'thumbnail': ('image', {url_or_none}),
-            },
+        })
-        )
 
         entries = self._entries(data, course_id, course_info, lecture_id)
         if lecture_id: