Update Python 3 to 3.13.13

commit_hash:526db1f6570443324e2690db042314848cd47d2e

3 files changed, 16 insertions, 9 deletions

diff --git a/contrib/tools/python3/Modules/_sqlite/blob.c b/contrib/tools/python3/Modules/_sqlite/blob.c
index 6ad3f9c0968..4db1ac474ef 100644
--- a/contrib/tools/python3/Modules/_sqlite/blob.c
+++ b/contrib/tools/python3/Modules/_sqlite/blob.c
@@ -428,6 +428,10 @@ subscript_slice(pysqlite_Blob *self, PyObject *item)
         return NULL;
     }
 
+    if (len == 0) {
+        return PyBytes_FromStringAndSize(NULL, 0);
+    }
+
     if (step == 1) {
         return read_multiple(self, len, start);
     }
diff --git a/contrib/tools/python3/Modules/_sqlite/connection.c b/contrib/tools/python3/Modules/_sqlite/connection.c
index b83dc9ae0cc..5f888ac19ec 100644
--- a/contrib/tools/python3/Modules/_sqlite/connection.c
+++ b/contrib/tools/python3/Modules/_sqlite/connection.c
@@ -1103,13 +1103,16 @@ static callback_context *
 create_callback_context(PyTypeObject *cls, PyObject *callable)
 {
     callback_context *ctx = PyMem_Malloc(sizeof(callback_context));
-    if (ctx != NULL) {
-        PyObject *module = PyType_GetModule(cls);
-        ctx->refcount = 1;
-        ctx->callable = Py_NewRef(callable);
-        ctx->module = Py_NewRef(module);
-        ctx->state = pysqlite_get_state(module);
+    if (ctx == NULL) {
+        PyErr_NoMemory();
+        return NULL;
     }
+
+    PyObject *module = PyType_GetModule(cls);
+    ctx->refcount = 1;
+    ctx->callable = Py_NewRef(callable);
+    ctx->module = Py_NewRef(module);
+    ctx->state = pysqlite_get_state(module);
     return ctx;
 }
 
@@ -2212,7 +2215,7 @@ pysqlite_connection_create_collation_impl(pysqlite_Connection *self,
          * the context before returning.
          */
         if (callable != Py_None) {
-            free_callback_context(ctx);
+            decref_callback_context(ctx);
         }
         _pysqlite_seterror(self->state, self->db);
         return NULL;
diff --git a/contrib/tools/python3/Modules/_sqlite/ya.make b/contrib/tools/python3/Modules/_sqlite/ya.make
index 52461066edb..56ee483669e 100644
--- a/contrib/tools/python3/Modules/_sqlite/ya.make
+++ b/contrib/tools/python3/Modules/_sqlite/ya.make
@@ -2,9 +2,9 @@
 
 PY3_LIBRARY()
 
-VERSION(3.13.12)
+VERSION(3.13.13)
 
-ORIGINAL_SOURCE(https://github.com/python/cpython/archive/v3.13.12.tar.gz)
+ORIGINAL_SOURCE(https://github.com/python/cpython/archive/v3.13.13.tar.gz)
 
 LICENSE(Python-2.0)