mwchase /
python-structured-data
| Total Complexity | 2 |
| Total Lines | 15 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
| 1 | import inspect |
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| 2 | |||
| 3 | MISSING = object() |
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| 4 | |||
| 5 | |||
| 6 | def cant_modify(self, name): |
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| 7 | """Prevent attempts to modify an attr of the given name.""" |
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| 8 | class_repr = repr(self.__class__.__name__) |
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| 9 | name_repr = repr(name) |
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| 10 | if inspect.getattr_static(self, name, MISSING) is MISSING: |
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| 11 | format_msg = "{class_repr} object has no attribute {name_repr}" |
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| 12 | else: |
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| 13 | format_msg = "{class_repr} object attribute {name_repr} is read-only" |
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| 14 | raise AttributeError(format_msg.format(class_repr=class_repr, name_repr=name_repr)) |
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| 15 |
