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fix: support pytest on python 3.12 wrt Fraction formatting change#1821

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hgrecco merged 1 commit intohgrecco:masterfrom
mtasaka:py312-pytest-fix
Jul 17, 2023
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fix: support pytest on python 3.12 wrt Fraction formatting change#1821
hgrecco merged 1 commit intohgrecco:masterfrom
mtasaka:py312-pytest-fix

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@mtasaka
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@mtasaka mtasaka commented Jul 17, 2023

python 3.12 supports float-style formatting for Fraction by python/cpython#100161 .
With this change, when ":n" format specifier is used in format() for Fraction type, this now raises ValueError instead of previous TypeError.

To make pytest succeed with python 3.12, make
pint.testing.assert_allclose also rescue ValueError .

Fixes #1818 .

  • Executed pre-commit run --all-files with no errors
  • The change is fully covered by automated unit tests
  • Documented in docs/ as appropriate
  • Added an entry to the CHANGES file

python 3.12 supports float-style formatting for Fraction by
python/cpython#100161 .
With this change, when ":n" format specifier is used in format() for
Fraction type, this now raises ValueError instead of previous
TypeError.

To make pytest succeed with python 3.12, make
pint.testing.assert_allclose also rescue ValueError .

Fixes hgrecco#1818 .
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codspeed-hq bot commented Jul 17, 2023

CodSpeed Performance Report

Merging #1821 will not alter performance

Comparing mtasaka:py312-pytest-fix (2bd6677) with master (4cca8ab)

Summary

✅ 421 untouched benchmarks

@hgrecco
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hgrecco commented Jul 17, 2023

Awesome! Thanks a lot.

@hgrecco hgrecco merged commit 6c2dda9 into hgrecco:master Jul 17, 2023
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pytest fails with python 3.12b4 possibly due to Fraction formatting change

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