yaml_config.py 文件源码

def __ordered_load(self, stream, Loader=yaml.Loader, object_pairs_hook=OrderedDict):
        """Load an ordered dictionary from a yaml file.

        Note
        ----
        Borrowed from John Schulman.
        http://stackoverflow.com/questions/5121931/in-python-how-can-you-load-yaml-mappings-as-ordereddicts/21048064#21048064"
        """
        class OrderedLoader(Loader):
            pass
        OrderedLoader.add_constructor(
            yaml.resolver.BaseResolver.DEFAULT_MAPPING_TAG,
            lambda loader, node: object_pairs_hook(loader.construct_pairs(node)))
        return yaml.load(stream, OrderedLoader)