python 有序读取和保存yaml格式的文件

data为OrderDict对象生成的字典

def save_ordered_dict_to_yaml(data, save_path, stream=None, Dumper=yaml.SafeDumper, object_pairs_hook=OrderedDict, **kwds):
    class OrderedDumper(Dumper):
        pass

    def _dict_representer(dumper, data):
        return dumper.represent_mapping(
            yaml.resolver.BaseResolver.DEFAULT_MAPPING_TAG,
            data.items())

    OrderedDumper.add_representer(object_pairs_hook, _dict_representer)
    with open(save_path, 'w') as file:
        file.write(yaml.dump(data, stream, OrderedDumper, allow_unicode=True, **kwds))
    return yaml.dump(data, stream, OrderedDumper, **kwds)

def read_yaml_to_ordered_dict(yaml_path, Loader=yaml.Loader, object_pairs_hook=OrderedDict):
    class OrderedLoader(Loader):
        pass

    def construct_mapping(loader, node):
        loader.flatten_mapping(node)
        return object_pairs_hook(loader.construct_pairs(node))

    OrderedLoader.add_constructor(
        yaml.resolver.BaseResolver.DEFAULT_MAPPING_TAG,
        construct_mapping)
    with open(yaml_path) as stream:
        dict_value = yaml.load(stream, OrderedLoader)
        return dict_value

import yaml


def save_dict_to_yaml(dict_value: dict, save_path: str):
    """dict保存为yaml"""
    with open(save_path, 'w') as file:
        file.write(yaml.dump(dict_value, allow_unicode=True))


def read_yaml_to_dict(yaml_path: str):
    with open(yaml_path) as file:
        dict_value = yaml.load(file.read(), Loader=yaml.FullLoader)
        return dict_value