def database_path(self):
        """
        Full database path. Includes the default location + the database filename.
        """
        filename = self.database_filename
        db_path = ":memory:" if filename == ":memory:" else (
            path.abspath(path.join(__file__, "../..", "..", "data", filename)))
        return db_path
Full database path. Includes the default location + the database filename.