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Tracking issue of os.utime regression #4053
Description
std::time::Duration::from_secs_f64 behavior is changed in Rust 1.63.
related python test:
test_os::test_utime_by_indexedtest_os::test_utime_by_times
test command:
cargo +stable run Lib/test/test_os.py -k utime -vcargo +1.62.1 run Lib/test/test_os.py -k utime -v
Rust issue including minimal reproducible code
To-do
We will stay on 1.62.1 until checking if it is a rust bug or intended change.
Once it is resolved:
- Revert CI changes set CI toolchain to 1.62.1 #4046
Activity
youknowone commentedon Aug 13, 2022
In CPython,
_PyTime_DoubleToDenominatorprovides rounding option. floor option is passed for this path.youknowone commentedon Aug 17, 2022
It was an intended behavior change from Rust. we need to implement rounding option like cpython.
youknowone commentedon Dec 25, 2025
The test is changed not to check nanosecond drift #6501