from enum import Enum


class DocumentTypeModel:
    def __init__(self, code, en_name, cn_name):
        self.code = code;
        self.en_name = en_name
        self.cn_name = cn_name


class DocumentType(Enum):
    GREEN_BOOK = DocumentTypeModel("DTGBK", "Green Book", "机动车登记证")
    CONFIRMATION_LETTER = DocumentTypeModel("DTCLE", "Confirmation Letter", "解抵押确认函")
    WEBSITE_SCREENSHOT = DocumentTypeModel("DTWES", "Website Screenshot", "网页截图")


if __name__ == '__main__':
    print(DocumentType.GREEN_BOOK.value.en_name)