add support for subfolders(recursive)

yt_dlp/extractor/googledrive.py

@@ -298,13 +298,13 @@ class GoogleDriveFolderIE(InfoExtractor):
         },
         'playlist_count': 3,
     }, {
-        # Contains various formats
+        # Contains various formats and a subfolder
         'url': 'https://drive.google.com/drive/folders/1CkqRsNlzZ0o3IL083j17s6sH5Q83DcGo',
         'info_dict': {
             'id': '1CkqRsNlzZ0o3IL083j17s6sH5Q83DcGo',
             'title': r'], sideChannel: {}});',
         },
-        'playlist_count': 4,
+        'playlist_count': 5,
     }]
     _JSON_DS_RE = r'key\s*?:\s*?([\'"])ds:\s*?%d\1,[^}]*data:'
     _JSON_HASH_RE = r'hash\s*?:\s*?([\'"])%d\1,[^}]*data:'
@@ -335,17 +335,24 @@ class GoogleDriveFolderIE(InfoExtractor):
                                  contains_pattern=self._ARRAY_RE, **kwargs)
 
     def _real_extract(self, url):
-        def item_url_getter(item):
-            url_from_0 = f'https://drive.google.com/file/d/{item[0]}'
-            if GoogleDriveIE.suitable(url_from_0):
-                return url_from_0
-            else:
-                for attr in item:
-                    if isinstance(attr, str) and GoogleDriveIE.suitable(attr):
-                        return attr
-            self.write_debug('Failed to extract url!')
+        def item_url_getter(item, video_id):
+            available_IEs = [GoogleDriveFolderIE, GoogleDriveIE]
+            for attr in item:
+                if isinstance(attr, str):
+                    for available_IE in available_IEs:
+                        if available_IE.suitable(attr):
+                            return self.url_result(attr, available_IE, video_id, item[2])
+            self.to_screen(f'Failed to find a suitable extractor for {item[2]}.')
             return None
 
+        def make_playlist(items, playlist_id):
+            entries = []
+            for item in items:
+                entry = item_url_getter(item, playlist_id)
+                if entry:
+                    entries.append(entry)
+            return self.playlist_result(entries, playlist_id, title)
+
         folder_id = self._match_id(url)
         headers = self.geo_verification_headers()
 
@@ -361,5 +368,4 @@ class GoogleDriveFolderIE(InfoExtractor):
         title = json_folder_info[1][2]
         items = json_items[-1]
 
-        return self.playlist_from_matches((item for item in items), folder_id, title,
-                                          ie=GoogleDriveIE, getter=item_url_getter)
+        return make_playlist(items, folder_id)