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feat: introduce stack-allocated PyBuffer #5894

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feat: introduce stack-allocated PyBuffer #5894

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82312c9
feat: introduce stack-allocated `PyBuffer`
winstxnhdw Mar 19, 2026
e99f381
docs: update CHANGELOG
winstxnhdw Mar 19, 2026
1801630
refactor: apply suggestions
winstxnhdw Mar 20, 2026
13c0f71
refactor: use `assume_init`
winstxnhdw Mar 22, 2026
439b3f6
refactor: apply some suggestions
winstxnhdw Mar 22, 2026
dee628d
fix: handle `PyBUF_WRITABLE`
winstxnhdw Mar 22, 2026
48b5fdd
refactor: encode compile-time buffer field availability
winstxnhdw Mar 22, 2026
ff6d65f
style: clean up
winstxnhdw Mar 22, 2026
dd63129
tests: extend coverage
winstxnhdw Mar 24, 2026
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2 changes: 1 addition & 1 deletion guide/src/conversions/tables.md
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Expand Up @@ -29,7 +29,7 @@ The table below contains the Python type and the corresponding function argument
| `slice` | - | `PySlice` |
| `type` | - | `PyType` |
| `module` | - | `PyModule` |
| `collections.abc.Buffer` | - | `PyBuffer<T>` |
| `collections.abc.Buffer` | - | `PyBuffer<T>`, `PyBufferView<T>` |
| `datetime.datetime` | `SystemTime`, `chrono::DateTime<Tz>`[^7], `chrono::NaiveDateTime`[^7] | `PyDateTime` |
| `datetime.date` | `chrono::NaiveDate`[^7] | `PyDate` |
| `datetime.time` | `chrono::NaiveTime`[^7] | `PyTime` |
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1 change: 1 addition & 0 deletions newsfragments/5894.added.md
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@@ -0,0 +1 @@
Add `PyBufferView<T>` and `PyUntypedBufferView`, stack-allocated alternatives to `PyBuffer<T>` and `PyUntypedBuffer` with a scoped closure API that avoids heap allocation.
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