[lldb] Limit Py_buffer_RAII to SWIG < 4.1

lldb/bindings/python/python-typemaps.swig

@@ -6,12 +6,6 @@ AND call SWIG_fail at the same time, because it will result in a double free.
 
 */
 
-%inline %{
-
-#include "../bindings/python/python-typemaps.h"
-
-%}
-
 %typemap(in) char ** {
   /* Check if is a list  */
   if (PythonList::Check($input)) {
@@ -634,12 +628,21 @@ template <> bool SetNumberFromPyObject<double>(double &number, PyObject *obj) {
   }
 }
 
-// These two pybuffer macros are copied out of swig/Lib/python/pybuffer.i,
+#if SWIG_VERSION < 0x040100
+// The two pybuffer macros below are copied out of swig/Lib/python/pybuffer.i,
 // and fixed so they will not crash if PyObject_GetBuffer fails.
 // https://github.com/swig/swig/issues/1640
-//
-// I've also moved the call to PyBuffer_Release to the end of the SWIG wrapper,
-// doing it right away is not legal according to the python buffer protocol.
+
+struct Py_buffer_RAII {
+  Py_buffer buffer = {};
+  Py_buffer_RAII(){};
+  Py_buffer &operator=(const Py_buffer_RAII &) = delete;
+  Py_buffer_RAII(const Py_buffer_RAII &) = delete;
+  ~Py_buffer_RAII() {
+    if (buffer.obj)
+      PyBuffer_Release(&buffer);
+  }
+};
 
 %define %pybuffer_mutable_binary(TYPEMAP, SIZE)
 %typemap(in) (TYPEMAP, SIZE) (Py_buffer_RAII view) {
@@ -674,6 +677,9 @@ template <> bool SetNumberFromPyObject<double>(double &number, PyObject *obj) {
   $2 = ($2_ltype)(size / sizeof($*1_type));
 }
 %enddef
+#else
+%include <pybuffer.i>
+#endif
 
 %pybuffer_binary(const uint8_t *buf, size_t num_bytes);
 %pybuffer_mutable_binary(uint8_t *buf, size_t num_bytes);