[3.14] gh-130662: Accept leading zeros in precision/width for Decimal… · python/cpython@f87578f · GitHub
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[3.14] gh-130662: Accept leading zeros in precision/width for Decimal's formatting (GH-132549) (#136362)
Co-authored-by: Sergey B Kirpichev <skirpichev@gmail.com> Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
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‎Lib/_pydecimal.py‎

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‎Lib/test/test_decimal.py‎

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@@ -982,6 +982,7 @@ def test_formatting(self):
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('.0f', '0e-2', '0'),
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('.0f', '3.14159265', '3'),
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('.1f', '3.14159265', '3.1'),
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('.01f', '3.14159265', '3.1'), # leading zero in precision
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('.4f', '3.14159265', '3.1416'),
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('.6f', '3.14159265', '3.141593'),
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('.7f', '3.14159265', '3.1415926'), # round-half-even!
@@ -1067,6 +1068,7 @@ def test_formatting(self):
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('8,', '123456', ' 123,456'),
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('08,', '123456', '0,123,456'), # special case: extra 0 needed
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('+08,', '123456', '+123,456'), # but not if there's a sign
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('008,', '123456', '0,123,456'), # leading zero in width
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(' 08,', '123456', ' 123,456'),
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('08,', '-123456', '-123,456'),
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('+09,', '123456', '+0,123,456'),

‎Misc/NEWS.d/next/Library/2025-06-02-14-36-28.gh-issue-130662.Gpr2GB.rst‎

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