python enum with label

gistfile1.txt

from enum import IntEnum
from pydantic import BaseModel

class DropdownCode(BaseModel):
    display_code: Optional[str] = Field(None, title="表示コード")
    display_name: Optional[str] = Field(None, title="表示名")


class LabelEnum(IntEnum):

    def __new__(cls, value, label):
        obj = int.__new__(cls, value)
        obj._value_ = value
        obj.label = label
        return obj
        
    @classmethod
    def to_label(cls, code: int) -> Union[str, None]:
        if code is None:
            return None
        return cls(code).labe

    @classmethod
    def parse_options(cls) -> List[DropdownCode]:
        options = []
        for member in cls:
            options.append(DropdownCode(display_code=str(member.value), display_name=member.label))
        return options

class EmailNotifyEnabled(LabelEnum):
    DISABLE = (0, 'しない')
    ENABLE = (1, 'する')

EmailNotifyEnabled.DISABLE.label
>> 'しない'

EmailNotifyEnabled(1).label
>> 'する'