How to use the tartube.media.GenericContainer function in tartube

#   def get_relative_actual_dir():  # Inherited from GenericContainer


#   def get_relative_default_dir(): # Inherited from GenericContainer


    def never_called_func(self):

        """Function that is never called, but which makes this class object
        collapse neatly in my IDE."""

        pass


class Folder(GenericContainer):

    """Python class that handles a sub-directory inside Tartube's data folder,
    into which other media data objects (media.Video, media.Channel,
    media.Playlist and other media.Folder objects) can be downloaded.

    Args:

        app_obj (mainapp.TartubeApp): The main application (not stored as an
            IV)

        dbid (int): A unique ID for this media data object

        name (str) - The folder name

        parent_obj (media.Folder) - The parent media data object, if any

if new_name is not None:
            dir_list = [new_name]
        else:
            dir_list = [self.name]

        obj = self
        while obj.parent_obj:

            obj = obj.parent_obj
            dir_list.insert(0, obj.name)

        return os.path.join(*dir_list)


class GenericRemoteContainer(GenericContainer):

    """Base python class inherited by media.Channel and media.Playlist."""


    # Public class methods


    def add_child(self, child_obj, no_sort_flag=False):

        """Can be called by anything.

        Adds a child media data object, which must be a media.Video object.

        Args:

            child_obj (media.Video): The child object