From 2ac07e5cdbb2fbdb84bafc962660f141090ff4f0 Mon Sep 17 00:00:00 2001
From: Christopher Chianelli <christopher@timefold.ai>
Date: Sun, 5 Nov 2023 21:26:28 -0500
Subject: [PATCH] fix: Use original code when Python version is less than 3.12.

---
 native/common/jp_primitivetype.cpp |  4 ++++
 native/python/pyjp_char.cpp        | 22 ++++++++++++++++++++++
 native/python/pyjp_module.cpp      |  8 ++++++++
 3 files changed, 34 insertions(+)

diff --git a/native/common/jp_primitivetype.cpp b/native/common/jp_primitivetype.cpp
index 9dbc31e78..d0eb8b12b 100644
--- a/native/common/jp_primitivetype.cpp
+++ b/native/common/jp_primitivetype.cpp
@@ -47,7 +47,11 @@ PyObject *JPPrimitiveType::convertLong(PyTypeObject* wrapper, PyLongObject* tmp)
 	((PyVarObject*) newobj)->ob_size = Py_SIZE(tmp);
 	for (Py_ssize_t i = 0; i < n; i++)
 	{
+        #if PY_VERSION_HEX<0x030C0000
+        newobj->ob_digit[i] = tmp->ob_digit[i];
+        #else
         ((PyLongObject*)newobj)->long_value.ob_digit[i] = ((PyLongObject*)tmp)->long_value.ob_digit[i];
+        #endif
 	}
 	return (PyObject*) newobj;
 }
diff --git a/native/python/pyjp_char.cpp b/native/python/pyjp_char.cpp
index f3e136187..1e4fc808b 100644
--- a/native/python/pyjp_char.cpp
+++ b/native/python/pyjp_char.cpp
@@ -34,6 +34,10 @@ struct PyJPChar
 #define _PyUnicode_LENGTH(op) (((PyASCIIObject *)(op))->length)
 #define _PyUnicode_STATE(op) (((PyASCIIObject *)(op))->state)
 #define _PyUnicode_HASH(op) (((PyASCIIObject *)(op))->hash)
+#if PY_VERSION_HEX<0x030C0000
+#define _PyUnicode_WSTR(op) (((PyASCIIObject*)(op))->wstr)
+#define _PyUnicode_WSTR_LENGTH(op)  (((PyCompactUnicodeObject*)(op))->wstr_length)
+#endif
 
 static Py_UCS4 ord(PyObject *c)
 {
@@ -92,6 +96,9 @@ PyObject *PyJPChar_Create(PyTypeObject *type, Py_UCS2 p)
 	_PyUnicode_STATE(self).ascii = 0;
 	_PyUnicode_STATE(self).interned = 0;
 	_PyUnicode_STATE(self).compact = 1;
+    #if PY_VERSION_HEX<0x030C0000
+    _PyUnicode_STATE(self).ready = 1;
+    #endif
 
 	if (p < 128)
 	{
@@ -105,6 +112,10 @@ PyObject *PyJPChar_Create(PyTypeObject *type, Py_UCS2 p)
 		char *data = (char*) ( ((PyCompactUnicodeObject*) self) + 1);
 		data[0] = p;
 		data[1] = 0;
+        #if PY_VERSION_HEX<0x030C0000
+        _PyUnicode_WSTR_LENGTH(self) = 0;
+        _PyUnicode_WSTR(self) = NULL;
+        #endif
 		self->m_Obj.utf8 = NULL;
 		self->m_Obj.utf8_length = 0;
 	} else
@@ -114,6 +125,17 @@ PyObject *PyJPChar_Create(PyTypeObject *type, Py_UCS2 p)
 		data[0] = p;
 		data[1] = 0;
 		_PyUnicode_STATE(self).kind = PyUnicode_2BYTE_KIND;
+        #if PY_VERSION_HEX<0x030C0000
+        if (sizeof (wchar_t) == 2)
+        {
+            _PyUnicode_WSTR_LENGTH(self) = 1;
+            _PyUnicode_WSTR(self) = (wchar_t *) data;
+        } else
+        {
+            _PyUnicode_WSTR_LENGTH(self) = 0;
+            _PyUnicode_WSTR(self) = NULL;
+        }
+        #endif
 		self->m_Obj.utf8 = NULL;
 		self->m_Obj.utf8_length = 0;
 	}
diff --git a/native/python/pyjp_module.cpp b/native/python/pyjp_module.cpp
index e2a50b1f3..0cd5a85f5 100644
--- a/native/python/pyjp_module.cpp
+++ b/native/python/pyjp_module.cpp
@@ -174,7 +174,11 @@ PyObject* PyJP_GetAttrDescriptor(PyTypeObject *type, PyObject *attr_name)
 	for (Py_ssize_t i = 0; i < n; ++i)
 	{
 		PyTypeObject *type2 = (PyTypeObject*) PyTuple_GetItem(mro, i);
+        #if PY_VERSION_HEX<0x030C0000
+        PyObject *res = PyDict_GetItem(type2->tp_dict, attr_name);
+        #else
 		PyObject *res = PyDict_GetItem(PyType_GetDict(type2), attr_name);
+        #endif
 		if (res)
 		{
 			Py_INCREF(res);
@@ -184,7 +188,11 @@ PyObject* PyJP_GetAttrDescriptor(PyTypeObject *type, PyObject *attr_name)
 
 	// Last check is id in the parent
 	{
+        #if PY_VERSION_HEX<0x030C0000
+        PyObject *res = PyDict_GetItem(Py_TYPE(type)->tp_dict, attr_name);
+        #else
 		PyObject *res = PyDict_GetItem(PyType_GetDict(Py_TYPE(type)), attr_name);
+        #endif
 		if (res)
 		{
 			Py_INCREF(res);