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Title: gh-67795: Improve precision of non-float timestamp and timeout arguments by serhiy-storchaka · Pull Request #139273 · python/cpython · GitHub

Open Graph Title: gh-67795: Improve precision of non-float timestamp and timeout arguments by serhiy-storchaka · Pull Request #139273 · python/cpython

X Title: gh-67795: Improve precision of non-float timestamp and timeout arguments by serhiy-storchaka · Pull Request #139273 · python/cpython

Description: Use the as_integer_ratio() or the numerator and denominator attributes to represent the number as an integer ratio and perform scaling and rounding exactly. This allows to avoid the precision loss and double rounding error due to conversion to float. Issue: gh-67795 📚 Documentation preview 📚: https://cpython-previews--139273.org.readthedocs.build/

Open Graph Description: Use the as_integer_ratio() or the numerator and denominator attributes to represent the number as an integer ratio and perform scaling and rounding exactly. This allows to avoid the precision loss ...

X Description: Use the as_integer_ratio() or the numerator and denominator attributes to represent the number as an integer ratio and perform scaling and rounding exactly. This allows to avoid the precision loss ...

Opengraph URL: https://github.com/python/cpython/pull/139273

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90f8bf2 gh-67795: Improve precision of non-float timestamp and timeout arguments serhiy-storchaka Sep 23, 2025	https://github.com/python/cpython/pull/139273/commits/90f8bf2916a872ecdb046642949db6f8fa30d35a
68433af Apply suggestions from code review serhiy-storchaka Oct 3, 2025	https://github.com/python/cpython/pull/139273/commits/68433af3a29b75d6ecef5c1cf1ce838fe6250f14
937be4c Add more comments. serhiy-storchaka Oct 3, 2025	https://github.com/python/cpython/pull/139273/commits/937be4ce3aedc1decc72051bdd03412da3dcf708
6be1856 Merge branch 'main' into timestamp-timeout-as-integer-ratio serhiy-storchaka May 4, 2026	https://github.com/python/cpython/pull/139273/commits/6be18568b8fbe708040cd107312ac77b7c40e25e
a93adbd Replace _PyTime_FromLong with PyLong_AsInt64. serhiy-storchaka May 4, 2026	https://github.com/python/cpython/pull/139273/commits/a93adbda757bc8c0af852067216de29aadd97957
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