Update Python from 3.11.8 to 3.12.2

1 files changed, 27 insertions, 51 deletions

diff --git a/contrib/tools/python3/src/Python/context.c b/contrib/tools/python3/src/Python/context.c
index ef9db6a9cd..1ffae9871b 100644
--- a/contrib/tools/python3/src/Python/context.c
+++ b/contrib/tools/python3/src/Python/context.c
@@ -124,8 +124,7 @@ _PyContext_Enter(PyThreadState *ts, PyObject *octx)
     ctx->ctx_prev = (PyContext *)ts->context;  /* borrow */
     ctx->ctx_entered = 1;
 
-    Py_INCREF(ctx);
-    ts->context = (PyObject *)ctx;
+    ts->context = Py_NewRef(ctx);
     ts->context_ver++;
 
     return 0;
@@ -400,8 +399,7 @@ context_new_from_vars(PyHamtObject *vars)
         return NULL;
     }
 
-    Py_INCREF(vars);
-    ctx->ctx_vars = vars;
+    ctx->ctx_vars = (PyHamtObject*)Py_NewRef(vars);
 
     _PyObject_GC_TRACK(ctx);
     return ctx;
@@ -546,8 +544,7 @@ context_tp_subscript(PyContext *self, PyObject *key)
         PyErr_SetObject(PyExc_KeyError, key);
         return NULL;
     }
-    Py_INCREF(val);
-    return val;
+    return Py_NewRef(val);
 }
 
 static int
@@ -588,11 +585,9 @@ _contextvars_Context_get_impl(PyContext *self, PyObject *key,
         return NULL;
     }
     if (found == 0) {
-        Py_INCREF(default_value);
-        return default_value;
+        return Py_NewRef(default_value);
     }
-    Py_INCREF(val);
-    return val;
+    return Py_NewRef(val);
 }
 
 
@@ -831,11 +826,9 @@ contextvar_new(PyObject *name, PyObject *def)
         return NULL;
     }
 
-    Py_INCREF(name);
-    var->var_name = name;
+    var->var_name = Py_NewRef(name);
 
-    Py_XINCREF(def);
-    var->var_default = def;
+    var->var_default = Py_XNewRef(def);
 
     var->var_cached = NULL;
     var->var_cached_tsid = 0;
@@ -1176,8 +1169,7 @@ error:
 static PyObject *
 token_get_var(PyContextToken *self, void *Py_UNUSED(ignored))
 {
-    Py_INCREF(self->tok_var);
-    return (PyObject *)self->tok_var;
+    return Py_NewRef(self->tok_var);;
 }
 
 static PyObject *
@@ -1187,8 +1179,7 @@ token_get_old_value(PyContextToken *self, void *Py_UNUSED(ignored))
         return get_token_missing();
     }
 
-    Py_INCREF(self->tok_oldval);
-    return self->tok_oldval;
+    return Py_NewRef(self->tok_oldval);
 }
 
 static PyGetSetDef PyContextTokenType_getsetlist[] = {
@@ -1228,14 +1219,11 @@ token_new(PyContext *ctx, PyContextVar *var, PyObject *val)
         return NULL;
     }
 
-    Py_INCREF(ctx);
-    tok->tok_ctx = ctx;
+    tok->tok_ctx = (PyContext*)Py_NewRef(ctx);
 
-    Py_INCREF(var);
-    tok->tok_var = var;
+    tok->tok_var = (PyContextVar*)Py_NewRef(var);
 
-    Py_XINCREF(val);
-    tok->tok_oldval = val;
+    tok->tok_oldval = Py_XNewRef(val);
 
     tok->tok_used = 0;
 
@@ -1247,25 +1235,29 @@ token_new(PyContext *ctx, PyContextVar *var, PyObject *val)
 /////////////////////////// Token.MISSING
 
 
-static PyObject *_token_missing;
-
-
-typedef struct {
-    PyObject_HEAD
-} PyContextTokenMissing;
-
-
 static PyObject *
 context_token_missing_tp_repr(PyObject *self)
 {
     return PyUnicode_FromString("<Token.MISSING>");
 }
 
+static void
+context_token_missing_tp_dealloc(_PyContextTokenMissing *Py_UNUSED(self))
+{
+#ifdef Py_DEBUG
+    /* The singleton is statically allocated. */
+    _Py_FatalRefcountError("deallocating the token missing singleton");
+#else
+    return;
+#endif
+}
+
 
 PyTypeObject _PyContextTokenMissing_Type = {
     PyVarObject_HEAD_INIT(&PyType_Type, 0)
     "Token.MISSING",
-    sizeof(PyContextTokenMissing),
+    sizeof(_PyContextTokenMissing),
+    .tp_dealloc = (destructor)context_token_missing_tp_dealloc,
     .tp_getattro = PyObject_GenericGetAttr,
     .tp_flags = Py_TPFLAGS_DEFAULT,
     .tp_repr = context_token_missing_tp_repr,
@@ -1275,19 +1267,7 @@ PyTypeObject _PyContextTokenMissing_Type = {
 static PyObject *
 get_token_missing(void)
 {
-    if (_token_missing != NULL) {
-        Py_INCREF(_token_missing);
-        return _token_missing;
-    }
-
-    _token_missing = (PyObject *)PyObject_New(
-        PyContextTokenMissing, &_PyContextTokenMissing_Type);
-    if (_token_missing == NULL) {
-        return NULL;
-    }
-
-    Py_INCREF(_token_missing);
-    return _token_missing;
+    return Py_NewRef(&_Py_SINGLETON(context_token_missing));
 }
 
 
@@ -1312,15 +1292,11 @@ _PyContext_ClearFreeList(PyInterpreterState *interp)
 void
 _PyContext_Fini(PyInterpreterState *interp)
 {
-    if (_Py_IsMainInterpreter(interp)) {
-        Py_CLEAR(_token_missing);
-    }
     _PyContext_ClearFreeList(interp);
 #if defined(Py_DEBUG) && PyContext_MAXFREELIST > 0
     struct _Py_context_state *state = &interp->context;
     state->numfree = -1;
 #endif
-    _PyHamt_Fini(interp);
 }
 
 
@@ -1333,7 +1309,7 @@ _PyContext_Init(PyInterpreterState *interp)
 
     PyObject *missing = get_token_missing();
     if (PyDict_SetItemString(
-        PyContextToken_Type.tp_dict, "MISSING", missing))
+        _PyType_GetDict(&PyContextToken_Type), "MISSING", missing))
     {
         Py_DECREF(missing);
         return _PyStatus_ERR("can't init context types");