質問編集履歴
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頂いたご意見を踏まえて書き直してみました。
test
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@@ -109,3 +109,57 @@
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よろしくお願いします。
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112
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追記（2021-11-22）
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```
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from dataclasses import dataclass, field
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from typing import Dict
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@dataclass(frozen=True)
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class Config:
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label_a: int = 1
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label_b: int = 0
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label_c: int = -1
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_labels: Dict[int, str] = field(init=False)
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def __post_init__(self):
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object.__setattr__(self, '_labels', {v: k for k, v in vars(self).items()})
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def get_label(self, val):
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return self._labels.get(val)
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config = Config()
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print(config.label_a) # 1
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print(config._labels) # {1: 'label_a', 0: 'label_b', -1: 'label_c'}
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print(config.get_label(-1)) # label_c
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```
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