yaml.py 文件源码

 复制代码def dump(data, stream=None, dumper_class=yaml.SafeDumper, object_pairs_hook=OrderedDict, **kwds):

    class OrderedDumper(dumper_class):
        pass

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

    OrderedDumper.add_representer(OrderedDict, _dict_representer)

    return yaml.dump(
        data,
        stream,
        OrderedDumper,
        default_flow_style=False,
        **kwds
    )