Update Python 3 to 3.13.12

commit_hash:71d3efea437a769b2b7910d196120bb02587046e

2 files changed, 12 insertions, 1 deletions

diff --git a/contrib/tools/python3/Include/cpython/object.h b/contrib/tools/python3/Include/cpython/object.h
index 6cb2c40fe2e..5b3b890dcf3 100644
--- a/contrib/tools/python3/Include/cpython/object.h
+++ b/contrib/tools/python3/Include/cpython/object.h
@@ -221,7 +221,9 @@ struct _typeobject {
     PyObject *tp_weaklist; /* not used for static builtin types */
     destructor tp_del;
 
-    /* Type attribute cache version tag. Added in version 2.6 */
+    /* Type attribute cache version tag. Added in version 2.6.
+     * If zero, the cache is invalid and must be initialized.
+     */
     unsigned int tp_version_tag;
 
     destructor tp_finalize;
@@ -229,9 +231,17 @@ struct _typeobject {
 
     /* bitset of which type-watchers care about this type */
     unsigned char tp_watched;
+
+    /* Number of tp_version_tag values used.
+     * Set to _Py_ATTR_CACHE_UNUSED if the attribute cache is
+     * disabled for this type (e.g. due to custom MRO entries).
+     * Otherwise, limited to MAX_VERSIONS_PER_CLASS (defined elsewhere).
+     */
     uint16_t tp_versions_used;
 };
 
+#define _Py_ATTR_CACHE_UNUSED (30000)  // (see tp_versions_used)
+
 /* This struct is used by the specializer
  * It should be treated as an opaque blob
  * by code other than the specializer and interpreter. */
diff --git a/contrib/tools/python3/Include/cpython/pyerrors.h b/contrib/tools/python3/Include/cpython/pyerrors.h
index b36b4681f5d..422391c3222 100644
--- a/contrib/tools/python3/Include/cpython/pyerrors.h
+++ b/contrib/tools/python3/Include/cpython/pyerrors.h
@@ -18,6 +18,7 @@ typedef struct {
     PyException_HEAD
     PyObject *msg;
     PyObject *excs;
+    PyObject *excs_str;
 } PyBaseExceptionGroupObject;
 
 typedef struct {