output.py 文件源码

def list_presenter(dumper, data):
    list_tag = 'tag:yaml.org,2002:seq'
    if len(data) > 1:
        if all([isinstance(item, str) for item in data]):
            return dumper.represent_sequence(list_tag, data, flow_style=False)
    return dumper.represent_sequence(list_tag, data)