hookenv.py 文件源码

def save(self):
        """Save this config to disk.

        If the charm is using the :mod:`Services Framework <services.base>`
        or :meth:'@hook <Hooks.hook>' decorator, this
        is called automatically at the end of successful hook execution.
        Otherwise, it should be called directly by user code.

        To disable automatic saves, set ``implicit_save=False`` on this
        instance.

        """
        with open(self.path, 'w') as f:
            json.dump(self, f)