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gh-129813, PEP 782: Add PyBytesWriter.overallocate (#138941)

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Disable overallocation in _PyBytes_FormatEx() at the last write.
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Victor Stinner 2025-09-15 23:15:32 +01:00 • committed by GitHub
parent 4554486f15
commit 4e00e2504f
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2 changed files with 21 additions and 9 deletions
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9
Include/internal/pycore_bytesobject.h
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@ -147,6 +147,15 @@ PyAPI_FUNC(void*) _PyBytesWriter_WriteBytes(_PyBytesWriter *writer,
PyAPI_FUNC(PyBytesWriter*) _PyBytesWriter_CreateByteArray(
Py_ssize_t size);
struct PyBytesWriter {
char small_buffer[256];
PyObject *obj;
Py_ssize_t size;
int use_bytearray;
int overallocate;
};
#ifdef __cplusplus
}
#endif