[issue28685] Optimizing list.sort() by performing safety checks in advance

[ppperry]

ppperry added the comment:

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Doesn't youre skipping PyObject_RichCompareBool and directly getting
tp_richcompare also mean that you bypass the NotImplemented checking?
Thus, wouldn't this code, which raises a TypeError currently, silently
work?

    class PointlessComparator:
        def __lt__(self, other):
            return NotImplemented
    [PointlessComparator(),PointlessComparator()].sort()

... ... ...

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue28685>
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