WillAyd commented on code in PR #48391:
URL: https://github.com/apache/arrow/pull/48391#discussion_r2599394394
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python/pyarrow/src/arrow/python/numpy_to_arrow.cc:
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@@ -74,6 +81,37 @@ using internal::NumPyTypeSize;
namespace {
+#if NPY_ABI_VERSION >= 0x02000000
+
+// NumPy exposes StringDType helpers in the C-API table from version 2.0
onward,
+// but the corresponding macros are only available when compiling against a
+// 2.0+ feature level. Arrow still targets an older feature level, so provide
+// local wrappers that call the C-API entries directly.
+
+inline npy_string_allocator* ArrowNpyString_acquire_allocator(
+ const PyArray_StringDTypeObject* descr) {
+ using Func = npy_string_allocator* (*)(const PyArray_StringDTypeObject*);
+ auto func = reinterpret_cast<Func>(PyArray_API[316]);
Review Comment:
Are these functions exposed or are they only accessible through the
`PyArray_API`?
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