utils.py 文件源码

def ordered_dump(data, stream=None, dumper_class=yaml.Dumper, default_flow_style=False, **kwds):
    indent = 4
    line_break = '\n'
    # pylint: disable=too-many-ancestors

    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)
    kwds.update({'default_flow_style': default_flow_style, 'indent': indent, 'line_break': line_break})
    # WARN: if stream is provided, return value is None
    return yaml.dump(data, stream, OrderedDumper, **kwds)