def on_cleanup_error(function, path, excinfo):
                click.secho("warning: failed to remove file or directory: {}\n"
                            "please delete it manually.".format(path),
                            fg="red")
def ajouter(self):
        """Méthode appelée lors de l'ajout de la commande à l'interpréteur"""
        cle = self.noeud.get_masque("cle")
        cle.proprietes["regex"] = r"'[a-z0-9_:]{3,}'"