Merge 'origin/main' into gh-127266-type-slots-ts

Author: nascheme

Doc/library/sys.rst

@@ -1247,6 +1247,9 @@ always available. Unless explicitly noted otherwise, all variables are read-only
 
    .. versionadded:: 3.13
 
+   .. impl-detail::
+
+      It is not guaranteed to exist in all implementations of Python.
 
 .. function:: is_finalizing()
 

Doc/library/uuid.rst

@@ -377,6 +377,13 @@ The following options are accepted:
    The name used as part of generating the uuid. Only required for
    :func:`uuid3` / :func:`uuid5` functions.
 
+.. option:: -C <num>
+            --count <num>
+
+   Generate *num* fresh UUIDs.
+
+   .. versionadded:: next
+
 
 .. _uuid-example:
 
@@ -432,16 +439,18 @@ Here are some examples of typical usage of the :mod:`uuid` module::
 Command-Line Example
 --------------------
 
-Here are some examples of typical usage of the :mod:`uuid` command line interface:
+Here are some examples of typical usage of the :mod:`uuid` command-line interface:
 
 .. code-block:: shell
 
-   # generate a random uuid - by default uuid4() is used
+   # generate a random UUID - by default uuid4() is used
    $ python -m uuid
 
-   # generate a uuid using uuid1()
+   # generate a UUID using uuid1()
    $ python -m uuid -u uuid1
 
-   # generate a uuid using uuid5
+   # generate a UUID using uuid5
    $ python -m uuid -u uuid5 -n @url -N example.com
 
+   # generate 42 random UUIDs
+   $ python -m uuid -C 42

Doc/whatsnew/3.12.rst

@@ -811,6 +811,14 @@ pathlib
   :meth:`pathlib.Path.rglob` and :meth:`pathlib.PurePath.match` for matching
   the path's case sensitivity, allowing for more precise control over the matching process.
 
+platform
+--------
+
+* Add support for detecting Windows 11 and Windows Server releases past 2012.
+  Previously, lookups on Windows Server platforms newer than Windows Server 2012
+  and on Windows 11 would return ``Windows-10``.
+  (Contributed by Steve Dower in :gh:`89545`.)
+
 pdb
 ---
 

Doc/whatsnew/3.14.rst

@@ -1017,6 +1017,9 @@ uuid
   Nil and Max UUID formats as defined by :rfc:`9562`.
   (Contributed by Nick Pope in :gh:`128427`.)
 
+* Allow to generate multiple UUIDs at once via :option:`python -m uuid --count <uuid --count>`.
+  (Contributed by Simon Legner in :gh:`131236`.)
+
 
 zipinfo
 -------

Include/internal/pycore_cell.h

@@ -2,6 +2,8 @@
 #define Py_INTERNAL_CELL_H
 
 #include "pycore_critical_section.h"
+#include "pycore_object.h"
+#include "pycore_stackref.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -19,7 +21,7 @@ PyCell_SwapTakeRef(PyCellObject *cell, PyObject *value)
     PyObject *old_value;
     Py_BEGIN_CRITICAL_SECTION(cell);
     old_value = cell->ob_ref;
-    cell->ob_ref = value;
+    FT_ATOMIC_STORE_PTR_RELEASE(cell->ob_ref, value);
     Py_END_CRITICAL_SECTION();
     return old_value;
 }
@@ -37,11 +39,36 @@ PyCell_GetRef(PyCellObject *cell)
 {
     PyObject *res;
     Py_BEGIN_CRITICAL_SECTION(cell);
+#ifdef Py_GIL_DISABLED
+    res = _Py_XNewRefWithLock(cell->ob_ref);
+#else
     res = Py_XNewRef(cell->ob_ref);
+#endif
     Py_END_CRITICAL_SECTION();
     return res;
 }
 
+static inline _PyStackRef
+_PyCell_GetStackRef(PyCellObject *cell)
+{
+    PyObject *value;
+#ifdef Py_GIL_DISABLED
+    value = _Py_atomic_load_ptr(&cell->ob_ref);
+    if (value == NULL) {
+        return PyStackRef_NULL;
+    }
+    _PyStackRef ref;
+    if (_Py_TryIncrefCompareStackRef(&cell->ob_ref, value, &ref)) {
+        return ref;
+    }
+#endif
+    value = PyCell_GetRef(cell);
+    if (value == NULL) {
+        return PyStackRef_NULL;
+    }
+    return PyStackRef_FromPyObjectSteal(value);
+}
+
 #ifdef __cplusplus
 }
 #endif

Include/internal/pycore_global_objects_fini_generated.h

@@ -89,6 +89,7 @@ struct _Py_global_strings {
         STRUCT_FOR_ID(__bytes__)
         STRUCT_FOR_ID(__call__)
         STRUCT_FOR_ID(__cantrace__)
+        STRUCT_FOR_ID(__ceil__)
         STRUCT_FOR_ID(__class__)
         STRUCT_FOR_ID(__class_getitem__)
         STRUCT_FOR_ID(__classcell__)
@@ -113,6 +114,7 @@ struct _Py_global_strings {
         STRUCT_FOR_ID(__file__)
         STRUCT_FOR_ID(__firstlineno__)
         STRUCT_FOR_ID(__float__)
+        STRUCT_FOR_ID(__floor__)
         STRUCT_FOR_ID(__floordiv__)
         STRUCT_FOR_ID(__format__)
         STRUCT_FOR_ID(__fspath__)
@@ -218,6 +220,7 @@ struct _Py_global_strings {
         STRUCT_FOR_ID(__subclasscheck__)
         STRUCT_FOR_ID(__subclasshook__)
         STRUCT_FOR_ID(__truediv__)
+        STRUCT_FOR_ID(__trunc__)
         STRUCT_FOR_ID(__type_params__)
         STRUCT_FOR_ID(__typing_is_unpacked_typevartuple__)
         STRUCT_FOR_ID(__typing_prepare_subst__)

Include/internal/pycore_global_strings.h

@@ -163,15 +163,17 @@ _PyFrame_GetLocalsArray(_PyInterpreterFrame *frame)
     return frame->localsplus;
 }
 
-/* Fetches the stack pointer, and sets stackpointer to NULL.
-   Having stackpointer == NULL ensures that invalid
-   values are not visible to the cycle GC. */
+// Fetches the stack pointer, and (on debug builds) sets stackpointer to NULL.
+// Having stackpointer == NULL makes it easier to catch missing stack pointer
+// spills/restores (which could expose invalid values to the GC) using asserts.
 static inline _PyStackRef*
 _PyFrame_GetStackPointer(_PyInterpreterFrame *frame)
 {
     assert(frame->stackpointer != NULL);
     _PyStackRef *sp = frame->stackpointer;
+#ifndef NDEBUG
     frame->stackpointer = NULL;
+#endif
     return sp;
 }
 

Include/internal/pycore_interpframe.h

@@ -891,6 +891,12 @@ extern bool _PyObject_TryGetInstanceAttribute(PyObject *obj, PyObject *name,
 extern PyObject *_PyType_LookupRefAndVersion(PyTypeObject *, PyObject *,
                                              unsigned int *);
 
+// Internal API to look for a name through the MRO.
+// This stores a stack reference in out and returns the value of
+// type->tp_version or zero if name is missing. It doesn't set an exception!
+extern unsigned int
+_PyType_LookupStackRefAndVersion(PyTypeObject *type, PyObject *name, _PyStackRef *out);
+
 // Cache the provided init method in the specialization cache of type if the
 // provided type version matches the current version of the type.
 //
@@ -946,6 +952,14 @@ extern int _PyObject_IsInstanceDictEmpty(PyObject *);
 PyAPI_FUNC(PyObject*) _PyObject_LookupSpecial(PyObject *, PyObject *);
 PyAPI_FUNC(PyObject*) _PyObject_LookupSpecialMethod(PyObject *self, PyObject *attr, PyObject **self_or_null);
 
+// Calls the method named `attr` on `self`, but does not set an exception if
+// the attribute does not exist.
+PyAPI_FUNC(PyObject *)
+_PyObject_MaybeCallSpecialNoArgs(PyObject *self, PyObject *attr);
+
+PyAPI_FUNC(PyObject *)
+_PyObject_MaybeCallSpecialOneArg(PyObject *self, PyObject *attr, PyObject *arg);
+
 extern int _PyObject_IsAbstract(PyObject *);
 
 PyAPI_FUNC(int) _PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method);