post.py 文件源码

def setup_yaml():
    _mapping_tag = yaml.resolver.BaseResolver.DEFAULT_MAPPING_TAG

    def dict_representer(dumper, data):
        return dumper.represent_dict(data.items())

    def dict_constructor(loader, node):
        return collections.OrderedDict(loader.construct_pairs(node))

    yaml.SafeDumper.add_representer(collections.OrderedDict, dict_representer)
    yaml.add_constructor(_mapping_tag, dict_constructor)