def base_path(self, pth):
        """ Sets the path where the base shaders and models on are contained. This
        is usually the root of the rendering pipeline folder """
        self.debug("Set base path to '" + pth + "'")
        self._base_path = Filename.from_os_specific(pth).get_fullpath()
 Sets the path where the base shaders and models on are contained. This
        is usually the root of the rendering pipeline folder 
metadrive/render_pipeline/rpcore/mount_manager.py