oslo.config Configurable Mini

configurable.py

import abc


class ConfigurableMixin(metaclass=abc.ABCMeta):
    @classmethod
    @abc.abstractmethod
    def from_config(cls, conf):
        pass

    @classmethod
    def register_options(cls, conf):
        for group, options in cls.list_options():
            conf.register_options(options, group)

    @classmethod
    @abc.abstractmethod
    def list_options(cls):
        pass