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Merged
merged 11 commits into from
May 31, 2025
+7 −13
Merged

gh-133968: Use private unicode writer for json #133832

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9ea12ad
Use private unicode writer for json
nineteendo May 10, 2025
46df04f
Part 2
nineteendo May 10, 2025
ab1aa42
Restore fast path for integers
nineteendo May 10, 2025
d18c455
Reduce diff
nineteendo May 10, 2025
51c760f
Include necessary headers
nineteendo May 10, 2025
72ae3d0
Use PyUnicodeWriter_WriteRepr
nineteendo May 10, 2025
2a6ec43
Reduce diff
nineteendo May 13, 2025
49a92f3
Merge branch 'main' into json-private-unicode-writer
nineteendo May 13, 2025
822ea86
Reduce diff
nineteendo May 13, 2025
01c45a9
Avoid heap allocation
nineteendo May 15, 2025
566637c
Merge branch 'main' into json-private-unicode-writer
nineteendo May 30, 2025
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@nineteendo
nineteendo committed May 10, 2025
commit d18c455e12f7bcc83210d20b63accab90583e354
1 change: 1 addition & 0 deletions Modules/_json.c
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Expand Up @@ -1483,7 +1483,8 @@
}
else if (PyLong_Check(obj)) {
if (PyLong_CheckExact(obj)) {
// Fast-path for exact integers
return _PyLong_FormatWriter(writer, obj, 10, 0);

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implicit declaration of function ‘_PyLong_FormatWriter’; did you mean ‘_PyLong_FromDigits’? [-Werror=implicit-function-declaration]

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implicit declaration of function ‘_PyLong_FormatWriter’; did you mean ‘_PyLong_FromDigits’? [-Werror=implicit-function-declaration]

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implicit declaration of function ‘_PyLong_FormatWriter’; did you mean ‘_PyLong_FromDigits’? [-Werror=implicit-function-declaration]

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implicit declaration of function ‘_PyLong_FormatWriter’; did you mean ‘_PyLong_FromDigits’? [-Werror=implicit-function-declaration]

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GitHub Actions / Address sanitizer (ubuntu-24.04) 

implicit declaration of function ‘_PyLong_FormatWriter’; did you mean ‘_PyLong_FromDigits’? [-Werror=implicit-function-declaration]

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implicit declaration of function ‘_PyLong_FormatWriter’; did you mean ‘_PyLong_FromDigits’? [-Werror=implicit-function-declaration]

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implicit declaration of function ‘_PyLong_FormatWriter’; did you mean ‘_PyLong_FromDigits’? [-Werror=implicit-function-declaration]

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implicit declaration of function ‘_PyLong_FormatWriter’; did you mean ‘_PyLong_FromDigits’? [-Werror=implicit-function-declaration]

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'_PyLong_FormatWriter' undefined; assuming extern returning int [D:\a\cpython\cpython\PCbuild\pythoncore.vcxproj]

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'_PyLong_FormatWriter' undefined; assuming extern returning int [D:\a\cpython\cpython\PCbuild\pythoncore.vcxproj]

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'_PyLong_FormatWriter' undefined; assuming extern returning int [C:\a\cpython\cpython\PCbuild\pythoncore.vcxproj]

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'_PyLong_FormatWriter' undefined; assuming extern returning int [C:\a\cpython\cpython\PCbuild\pythoncore.vcxproj]
}
PyObject *encoded = PyLong_Type.tp_repr(obj);
if (encoded == NULL)
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