19 lines
651 B
Python
19 lines
651 B
Python
class Structure:
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_fields = ()
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def __init__(self, *args):
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if len(args) != len(self._fields):
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raise TypeError(f'Expected {len(self._fields)} arguments')
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for pos, field in enumerate(self._fields):
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setattr(self, field, args[pos])
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def __repr__(self):
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args = map(lambda field: f"{field}={getattr(self, field)!r}", self._fields)
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return f"{type(self).__name__}({', '.join(args)})"
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def __setattr__(self, name, value):
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if name in self._fields or name[0] == '_':
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super().__setattr__(name, value)
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else:
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raise AttributeError(f"No attribute {name}")
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