[Mlir-commits] [mlir] [mlir][python] Add stable ABI (abi3) support (PR #183856)

[Maksim Levental]

================
@@ -2672,51 +2672,15 @@ void PyDynamicOpTraits::NoTerminator::bind(nb::module_ &m) {
 } // namespace mlir
 
 namespace {
-// see
-// https://raw.githubusercontent.com/python/pythoncapi_compat/master/pythoncapi_compat.h
-
-#ifndef _Py_CAST
-#define _Py_CAST(type, expr) ((type)(expr))
-#endif
-
-// Static inline functions should use _Py_NULL rather than using directly NULL
-// to prevent C++ compiler warnings. On C23 and newer and on C++11 and newer,
-// _Py_NULL is defined as nullptr.
-#ifndef _Py_NULL
-#if (defined(__STDC_VERSION__) && __STDC_VERSION__ > 201710L) ||               \
-    (defined(__cplusplus) && __cplusplus >= 201103)
-#define _Py_NULL nullptr
-#else
-#define _Py_NULL NULL
-#endif
-#endif
-
-// Python 3.10.0a3
-#if PY_VERSION_HEX < 0x030A00A3
-
-// bpo-42262 added Py_XNewRef()
-#if !defined(Py_XNewRef)
-[[maybe_unused]] PyObject *_Py_XNewRef(PyObject *obj) {
-  Py_XINCREF(obj);
-  return obj;
-}
-#define Py_XNewRef(obj) _Py_XNewRef(_PyObject_CAST(obj))
-#endif
-
-// bpo-42262 added Py_NewRef()
-#if !defined(Py_NewRef)
-[[maybe_unused]] PyObject *_Py_NewRef(PyObject *obj) {
-  Py_INCREF(obj);
-  return obj;
-}
-#define Py_NewRef(obj) _Py_NewRef(_PyObject_CAST(obj))
-#endif
-
-#endif // Python 3.10.0a3
----------------
makslevental wrote:

was this dead from the previous 3.9 deprecation PR or something? 

https://github.com/llvm/llvm-project/pull/183856