12 lines
271 B
Python
12 lines
271 B
Python
class Freezable:
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_frozen: bool = False
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def freeze(self):
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if not self._frozen:
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self._frozen = True
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def __setattr__(self, *args, **kwargs):
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if self._frozen:
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raise Exception("cannot modify frozen object")
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super().__setattr__(*args, **kwargs)
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