@classmethod<EOL><INDENT>def is_stone_backend(cls, path):<DEDENT>
path_without_ext, _ = os.path.splitext(path)<EOL>_, second_ext = os.path.splitext(path_without_ext)<EOL>return second_ext == cls.backend_extension<EOL>
Returns True if the file name matches the format of a stone backend,
ie. its inner extension of "stoneg". For example: xyz.stoneg.py