29.12.17 16:43, Nick Coghlan пише:
On 29 December 2017 at 22:58, Erik Bray <erik.m.b...@gmail.com> wrote:
Okay, and it's broken.
Broken in what way? It has a fairly extensive test suite in
https://github.com/python/cpython/blob/master/Lib/test/test_index.py
(and some additional indirect testing in test_slice.py, which assumes
that it works as advertised).
Unfortunately the pure Python implementation doesn't work correctly in
corner cases (https://bugs.python.org/issue18712). But in CPython the C
implementation is used. Maybe Erik means something other.
The unsigned long and unsigned long long conversions should likely be
consistent with their signed counterparts and allow lossy conversions
via `__int__`.
There is a code that relies on the atomicity of these functions. Calling
__int__ or __index__ will introduce vulnerabilities in the existing code.
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