gh-137508: Unify error messages for index() and remove() #139696
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Unify error messages for the index() and remove() methods of classes list, tuple, range, memoryview, str, bytes, bytearray, array.array, and collections.deque, and the operator.indexOf() function. Improve error message for xml.etree.ElementTree.Element.remove().
rhettinger
reviewed
Oct 7, 2025
| return NULL; | ||
| } | ||
| PyErr_SetString(PyExc_ValueError, "list.remove(x): x not in list"); | ||
| PyErr_SetString(PyExc_ValueError, "value not in list"); |
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To me this just makes the messages slightly less informative. Personally, I don't see this as an improvement.
rhettinger
reviewed
Oct 7, 2025
| } | ||
| } | ||
| PyErr_SetString(PyExc_ValueError, "deque.index(x): x not in deque"); | ||
| PyErr_SetString(PyExc_ValueError, "value not in deque"); |
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I prefer the message be left as-is.
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Unify error messages for the index() and remove() methods of classes list, tuple, range, memoryview, str, bytes, bytearray, array.array, and collections.deque, and the operator.indexOf() function.
Improve error message for xml.etree.ElementTree.Element.remove().
<sequence>.<method>()failures #137508