Merge branch 'main' into test_importlib

Author: ringobanana-3900

.github/workflows/jit.yml

@@ -183,6 +183,9 @@ jobs:
           - name: JIT without optimizations (Debug)
             configure_flags: --enable-experimental-jit --with-pydebug
             test_env: "PYTHON_UOPS_OPTIMIZE=0"
+          - name: JIT with stress testing (Debug)
+            configure_flags: --enable-experimental-jit --with-pydebug
+            test_env: "PYTHON_JIT_STRESS=1"
           - name: JIT with tail calling interpreter
             configure_flags: --enable-experimental-jit --with-tail-call-interp --with-pydebug
             use_clang: true

.github/workflows/reusable-san.yml

@@ -86,12 +86,12 @@ jobs:
       run: >-
         ./python -m test
         ${{ inputs.sanitizer == 'TSan' && '--tsan' || '' }}
-        -j4 -W
+        -j4 -W --timeout=900 --slowest
     - name: Parallel tests
       if: >-
         inputs.sanitizer == 'TSan'
         && fromJSON(inputs.free-threading)
-      run: ./python -m test --tsan-parallel --parallel-threads=4 -j4 -W
+      run: ./python -m test --tsan-parallel --parallel-threads=4 -j4 -W --timeout=600 --slowest
     - name: Display logs
       if: always()
       run: find "${GITHUB_WORKSPACE}" -name 'san_log.*' | xargs head -n 1000

Doc/c-api/bytes.rst

@@ -384,14 +384,18 @@ Getters
 
    Get the writer size.
 
+   The function does not invalidate pointers returned by
+   :c:func:`PyBytesWriter_GetData`.
+
    The function cannot fail.
 
 .. c:function:: void* PyBytesWriter_GetData(PyBytesWriter *writer)
 
    Get the writer data: start of the internal buffer.
 
-   The pointer is valid until :c:func:`PyBytesWriter_Finish` or
-   :c:func:`PyBytesWriter_Discard` is called on *writer*.
+   The pointer remains valid until a :c:type:`PyBytesWriter` function other
+   than :c:func:`PyBytesWriter_GetData` or :c:func:`PyBytesWriter_GetSize` is
+   called on *writer*.
 
    The function cannot fail.
 

Doc/c-api/type.rst

@@ -563,10 +563,10 @@ but need extra remarks for use as slots:
    :c:member:`Slot ID <PySlot.sl_id>` for the name of the type,
    used to set :c:member:`PyTypeObject.tp_name`.
 
-   This slot (or :c:func:`PyType_Spec.name`) is required to create a type.
+   This slot (or :c:member:`PyType_Spec.name`) is required to create a type.
 
    This may not be used in :c:member:`PyType_Spec.slots`.
-   Use :c:func:`PyType_Spec.name` instead.
+   Use :c:member:`PyType_Spec.name` instead.
 
    .. impl-detail::
 
@@ -585,7 +585,7 @@ but need extra remarks for use as slots:
    The value must be positive.
 
    This may not be used in :c:member:`PyType_Spec.slots`.
-   Use :c:func:`PyType_Spec.basicsize` instead.
+   Use :c:member:`PyType_Spec.basicsize` instead.
 
    This slot may not be used with :c:func:`PyType_GetSlot`.
    Use :c:member:`PyTypeObject.tp_basicsize` instead if needed, but be aware
@@ -616,7 +616,7 @@ but need extra remarks for use as slots:
    :c:macro:`!Py_tp_extra_basicsize` is an error.
 
    This may not be used in :c:member:`PyType_Spec.slots`.
-   Use negative :c:func:`PyType_Spec.basicsize` instead.
+   Use negative :c:member:`PyType_Spec.basicsize` instead.
 
    This slot may not be used with :c:func:`PyType_GetSlot`.
 
@@ -648,7 +648,7 @@ but need extra remarks for use as slots:
    - With the :c:macro:`Py_TPFLAGS_ITEMS_AT_END` flag.
 
    This may not be used in :c:member:`PyType_Spec.slots`.
-   Use :c:func:`PyType_Spec.itemsize` instead.
+   Use :c:member:`PyType_Spec.itemsize` instead.
 
    This slot may not be used with :c:func:`PyType_GetSlot`.
 
@@ -663,13 +663,44 @@ but need extra remarks for use as slots:
    :c:func:`PyType_FromSpecWithBases` sets it automatically.
 
    This may not be used in :c:member:`PyType_Spec.slots`.
-   Use negative :c:func:`PyType_Spec.basicsize` instead.
+   Use negative :c:member:`PyType_Spec.basicsize` instead.
 
    This slot may not be used with :c:func:`PyType_GetSlot`.
    Use :c:func:`PyType_GetFlags` instead.
 
    .. versionadded:: 3.15
 
+.. c:macro:: Py_tp_bases
+
+   :c:member:`Slot ID <PySlot.sl_id>` for type flags, used to set
+   :c:member:`PyTypeObject.tp_bases`.
+
+   The slot can be set to a tuple of type objects which the newly created
+   type should inherit from, like the "positional arguments" of
+   a Python :ref:`class definition <class>`.
+
+   Alternately, the slot can be set to a single type object to specify
+   a single base.
+   The effect is the same as specifying a one-element tuple.
+
+   .. versionchanged:: 3.15
+
+      Previously, :c:macro:`!Py_tp_bases` required a tuple of types.
+
+.. c:macro:: Py_tp_base
+
+   Equivalent to :c:macro:`Py_tp_bases` (with ``s`` at the end).
+   If both are specified, :c:macro:`!Py_tp_bases` takes priority and
+   this slot is ignored.
+
+   .. versionchanged:: 3.15
+
+      Previously, :c:macro:`!Py_tp_base` required a single type, not a tuple.
+
+   .. soft-deprecated:: 3.15
+
+      When not targetting older Python versions, pefer :c:macro:`!Py_tp_bases`.
+
 The following slots do not correspond to public fields in the
 underlying structures:
 

Doc/c-api/typeobj.rst

@@ -1936,12 +1936,12 @@ and :c:data:`PyType_Type` effectively act as defaults.)
 
 .. c:member:: PyTypeObject* PyTypeObject.tp_base
 
-   .. corresponding-type-slot:: Py_tp_base
-
    An optional pointer to a base type from which type properties are inherited.  At
    this level, only single inheritance is supported; multiple inheritance require
    dynamically creating a type object by calling the metatype.
 
+   For the corresponding slot ID, see :c:macro:`Py_tp_base`.
+
    .. note::
 
        .. from Modules/xxmodule.c
@@ -2253,17 +2253,12 @@ and :c:data:`PyType_Type` effectively act as defaults.)
 
 .. c:member:: PyObject* PyTypeObject.tp_bases
 
-   .. corresponding-type-slot:: Py_tp_bases
-
    Tuple of base types.
 
    This field should be set to ``NULL`` and treated as read-only.
    Python will fill it in when the type is :c:func:`initialized <PyType_Ready>`.
 
-   For dynamically created classes, the :c:data:`Py_tp_bases`
-   :c:type:`slot <PyType_Slot>` can be used instead of the *bases* argument
-   of :c:func:`PyType_FromSpecWithBases`.
-   The argument form is preferred.
+   For the corresponding slot ID, see :c:macro:`Py_tp_bases`.
 
    .. warning::
 

Doc/library/curses.ascii.rst

@@ -114,7 +114,7 @@ C library:
 
 .. function:: isblank(c)
 
-   Checks for an ASCII whitespace character; space or horizontal tab.
+   Checks for an ASCII blank character; space or horizontal tab.
 
 
 .. function:: iscntrl(c)
@@ -168,7 +168,8 @@ C library:
 
 .. function:: isctrl(c)
 
-   Checks for an ASCII control character (ordinal values 0 to 31).
+   Checks for an ASCII control character (ordinal values 0 to 31).  Unlike
+   :func:`iscntrl`, this does not include the delete character (0x7f).
 
 
 .. function:: ismeta(c)

Doc/library/curses.panel.rst

@@ -26,7 +26,8 @@ The module :mod:`!curses.panel` defines the following functions:
 
 .. function:: new_panel(win)
 
-   Returns a panel object, associating it with the given window *win*. Be aware
+   Returns a panel object, associating it with the given window *win* and
+   placing the new panel on top of the panel stack.  Be aware
    that you need to keep the returned panel object referenced explicitly.  If you
    don't, the panel object is garbage collected and removed from the panel stack.
 
@@ -44,7 +45,7 @@ The module :mod:`!curses.panel` defines the following functions:
 
 .. _curses-panel-objects:
 
-Panel Objects
+Panel objects
 -------------
 
 Panel objects, as returned by :func:`new_panel` above, are windows with a
@@ -99,7 +100,8 @@ Panel objects have the following methods:
 
 .. method:: Panel.show()
 
-   Display the panel (which might have been hidden).
+   Display the panel (which might have been hidden), placing it on top of
+   the panel stack.
 
 
 .. method:: Panel.top()