Add a minimal CI

Lib/test/test_capi/test_abstract.py

@@ -116,7 +116,7 @@ def test_object_setattr(self):
         self.assertRaises(RuntimeError, xsetattr, obj, 'evil', NULL)
 
         self.assertRaises(RuntimeError, xsetattr, obj, 'evil', 'good')
-        self.assertRaises(NotWriteableError, xsetattr, 42, 'a', 5)
+        self.assertRaises(AttributeError, xsetattr, 42, 'a', 5)
         self.assertRaises(TypeError, xsetattr, obj, 1, 5)
         # CRASHES xsetattr(obj, NULL, 5)
         # CRASHES xsetattr(NULL, 'a', 5)
@@ -136,7 +136,7 @@ def test_object_setattrstring(self):
         self.assertRaises(RuntimeError, setattrstring, obj, b'evil', NULL)
 
         self.assertRaises(RuntimeError, setattrstring, obj, b'evil', 'good')
-        self.assertRaises(NotWriteableError, setattrstring, 42, b'a', 5)
+        self.assertRaises(AttributeError, setattrstring, 42, b'a', 5)
         self.assertRaises(TypeError, setattrstring, obj, 1, 5)
         self.assertRaises(UnicodeDecodeError, setattrstring, obj, b'\xff', 5)
         # CRASHES setattrstring(obj, NULL, 5)
@@ -153,7 +153,7 @@ def test_object_delattr(self):
         xdelattr(obj, '\U0001f40d')
         self.assertFalse(hasattr(obj, '\U0001f40d'))
 
-        self.assertRaises(NotWriteableError, xdelattr, 42, 'numerator')
+        self.assertRaises(AttributeError, xdelattr, 42, 'numerator')
         self.assertRaises(RuntimeError, xdelattr, obj, 'evil')
         self.assertRaises(TypeError, xdelattr, obj, 1)
         # CRASHES xdelattr(obj, NULL)
@@ -170,7 +170,7 @@ def test_object_delattrstring(self):
         delattrstring(obj, '\U0001f40d'.encode())
         self.assertFalse(hasattr(obj, '\U0001f40d'))
 
-        self.assertRaises(NotWriteableError, delattrstring, 42, b'numerator')
+        self.assertRaises(AttributeError, delattrstring, 42, b'numerator')
         self.assertRaises(RuntimeError, delattrstring, obj, b'evil')
         self.assertRaises(UnicodeDecodeError, delattrstring, obj, b'\xff')
         # CRASHES delattrstring(obj, NULL)

Lib/test/test_descr.py

@@ -1076,7 +1076,7 @@ class SubType(types.ModuleType):
 
         class MyInt(int):
             __slots__ = ()
-        with self.assertRaises(NotWriteableError):
+        with self.assertRaises(TypeError):
             (1).__class__ = MyInt
 
         class MyFloat(float):
@@ -1091,7 +1091,7 @@ class MyComplex(complex):
 
         class MyStr(str):
             __slots__ = ()
-        with self.assertRaises(NotWriteableError):
+        with self.assertRaises(TypeError):
             "a".__class__ = MyStr
 
         class MyBytes(bytes):

Misc/stable_abi.toml

@@ -2406,3 +2406,6 @@
     added = '3.12'
 [const.Py_TPFLAGS_ITEMS_AT_END]
     added = '3.12'
+
+[data.PyExc_NotWriteableError]
+    added = '4.0'

Objects/exceptions.c

@@ -3430,7 +3430,9 @@ PyObject *PyExc_MemoryError = (PyObject *) &_PyExc_MemoryError;
  */
 SimpleExtendsException(PyExc_Exception, BufferError, "Buffer error.");
 
-
+/*
+ *    NotWriteableError extends Exception
+ */
 SimpleExtendsException(PyExc_Exception, NotWriteableError, "Object is not writeable.");
 
 

Objects/regions.c

@@ -20,7 +20,7 @@ typedef struct stack_s {
     node* head;
 } stack;
 
-stack* stack_new(void){
+static stack* stack_new(void){
     stack* s = (stack*)malloc(sizeof(stack));
     if(s == NULL){
         return NULL;
@@ -31,7 +31,7 @@ stack* stack_new(void){
     return s;
 }
 
-bool stack_push(stack* s, PyObject* object){
+static bool stack_push(stack* s, PyObject* object){
     node* n = (node*)malloc(sizeof(node));
     if(n == NULL){
         Py_DECREF(object);
@@ -48,7 +48,7 @@ bool stack_push(stack* s, PyObject* object){
     return false;
 }
 
-PyObject* stack_pop(stack* s){
+static PyObject* stack_pop(stack* s){
     if(s->head == NULL){
         return NULL;
     }
@@ -61,7 +61,7 @@ PyObject* stack_pop(stack* s){
     return object;
 }
 
-void stack_free(stack* s){
+static void stack_free(stack* s){
     while(s->head != NULL){
         PyObject* op = stack_pop(s);
         Py_DECREF(op);
@@ -70,11 +70,11 @@ void stack_free(stack* s){
     free(s);
 }
 
-bool stack_empty(stack* s){
+static bool stack_empty(stack* s){
     return s->head == NULL;
 }
 
-void stack_print(stack* s){
+static void stack_print(stack* s){
     _Py_VPYDBG("stack: ");
     node* n = s->head;
     while(n != NULL){
@@ -84,7 +84,7 @@ void stack_print(stack* s){
     }
 }
 
-bool is_c_wrapper(PyObject* obj){
+static bool is_c_wrapper(PyObject* obj){
     return PyCFunction_Check(obj) || Py_IS_TYPE(obj, &_PyMethodWrapper_Type) || Py_IS_TYPE(obj, &PyWrapperDescr_Type);
 }
 
@@ -97,7 +97,7 @@ bool is_c_wrapper(PyObject* obj){
     } \
 } while(0)
 
-PyObject* make_global_immutable(PyObject* globals, PyObject* name)
+static PyObject* make_global_immutable(PyObject* globals, PyObject* name)
 {
     PyObject* value = PyDict_GetItem(globals, name); // value.rc = x
     _Py_VPYDBG("value(");
@@ -127,7 +127,7 @@ PyObject* make_global_immutable(PyObject* globals, PyObject* name)
  * just those, and prevent those keys from being updated in the global dictionary
  * from this point onwards.
  */
-PyObject* walk_function(PyObject* op, stack* frontier)
+static PyObject* walk_function(PyObject* op, stack* frontier)
 {
     PyObject* builtins;
     PyObject* globals;
@@ -360,7 +360,7 @@ PyObject* walk_function(PyObject* op, stack* frontier)
     }                                                  \
 } while(0)
 
-int _makeimmutable_visit(PyObject* obj, void* frontier)
+static int _makeimmutable_visit(PyObject* obj, void* frontier)
 {
     _Py_VPYDBG("visit(");
     _Py_VPYDBGPRINT(obj);

Python/bltinmodule.c

@@ -2770,7 +2770,7 @@ Make 'obj' and its entire reachable object graph immutable.
 
 static PyObject *
 builtin_makeimmutable(PyObject *module, PyObject *obj)
-/*[clinic end generated code: output=4e665122542dfd24 input=21a50256fa4fb099]*/
+/*[clinic end generated code: output=4e665122542dfd24 input=bec4cf1797c848d4]*/
 {
     return Py_MakeImmutable(obj);
 }

Tools/c-analyzer/cpython/ignored.tsv

@@ -306,6 +306,8 @@ Modules/timemodule.c	init_timezone	YEAR	-
 Objects/bytearrayobject.c	-	_PyByteArray_empty_string	-
 Objects/complexobject.c	-	c_1	-
 Objects/exceptions.c	-	static_exceptions	-
+Objects/exceptions.c	-	_PyExc_NotWriteableError	-
+Objects/exceptions.c	-	PyExc_NotWriteableError	-
 Objects/genobject.c	-	ASYNC_GEN_IGNORED_EXIT_MSG	-
 Objects/genobject.c	-	NON_INIT_CORO_MSG	-
 Objects/longobject.c	-	_PyLong_DigitValue	-