Merge branch 'main' into supermon

* main: (29 commits)
  pythongh-101819: Fix _io clinic input for unused base class method stubs (python#104418)
  pythongh-101819: Isolate `_io` (python#101948)
  Bump mypy from 1.2.0 to 1.3.0 in /Tools/clinic (python#104501)
  pythongh-104494: Update certain Tkinter pack/place tests for Tk 8.7 errors (python#104495)
  pythongh-104050: Run mypy on `clinic.py` in CI (python#104421)
  pythongh-104490: Consistently define phony make targets (python#104491)
  pythongh-67056: document that registering/unregistering an atexit func from within an atexit func is undefined (python#104473)
  pythongh-104487: PYTHON_FOR_REGEN must be minimum Python 3.10 (python#104488)
  pythongh-101282: move BOLT config after PGO (pythongh-104493)
  pythongh-104469 Convert _testcapi/float.c to use AC (pythongh-104470)
  pythongh-104456: Fix ref leak in _ctypes.COMError (python#104457)
  pythongh-98539: Make _SSLTransportProtocol.abort() safe to call when closed (python#104474)
  pythongh-104337: Clarify random.gammavariate doc entry  (python#104410)
  Minor improvements to typing docs (python#104465)
  pythongh-87092: avoid gcc warning on uninitialized struct field in assemble.c (python#104460)
  pythonGH-71383: IDLE - Document testing subsets of modules (python#104463)
  pythongh-104454: Fix refleak in AttributeError_reduce (python#104455)
  pythongh-75710: IDLE - add docstrings and comments to editor module (python#104446)
  pythongh-91896: Revert some very noisy DeprecationWarnings for `ByteString` (python#104424)
  Add a mention of PYTHONBREAKPOINT to breakpoint() docs (python#104430)
  ...

.github/dependabot.yml

@@ -12,3 +12,10 @@ updates:
         update-types:
           - "version-update:semver-minor"
           - "version-update:semver-patch"
+  - package-ecosystem: "pip"
+    directory: "/Tools/clinic/"
+    schedule:
+      interval: "monthly"
+    labels:
+      - "skip issue"
+      - "skip news"

.github/workflows/build.yml

@@ -377,6 +377,8 @@ jobs:
         # failing when executed from inside a virtual environment.
         ${{ env.VENV_PYTHON }} -m test \
           -W \
+          -o \
+          -j4 \
           -x test_asyncio \
           -x test_multiprocessing_fork \
           -x test_multiprocessing_forkserver \

.github/workflows/mypy.yml

@@ -0,0 +1,39 @@
+# Workflow to run mypy on select parts of the CPython repo
+name: mypy
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    paths:
+      - "Tools/clinic/**"
+      - ".github/workflows/mypy.yml"
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+env:
+  PIP_DISABLE_PIP_VERSION_CHECK: 1
+  FORCE_COLOR: 1
+  TERM: xterm-256color  # needed for FORCE_COLOR to work on mypy on Ubuntu, see https://github.com/python/mypy/issues/13817
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  mypy:
+    name: Run mypy on Tools/clinic/
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: "3.x"
+          cache: pip
+          cache-dependency-path: Tools/clinic/requirements-dev.txt
+      - run: pip install -r Tools/clinic/requirements-dev.txt
+      - run: mypy --config-file Tools/clinic/mypy.ini

Doc/library/atexit.rst

@@ -20,6 +20,9 @@ at interpreter termination time they will be run in the order ``C``, ``B``,
 program is killed by a signal not handled by Python, when a Python fatal
 internal error is detected, or when :func:`os._exit` is called.
 
+**Note:** The effect of registering or unregistering functions from within
+a cleanup function is undefined.
+
 .. versionchanged:: 3.7
     When used with C-API subinterpreters, registered functions
     are local to the interpreter they were registered in.

Doc/library/collections.abc.rst

@@ -14,10 +14,7 @@
 
 .. testsetup:: *
 
-   import warnings
-   # Ignore warning when ByteString is imported
-   with warnings.catch_warnings(action='ignore', category=DeprecationWarning):
-       from collections.abc import *
+   from collections.abc import *
    import itertools
    __name__ = '<doctest>'
 

Doc/library/functions.rst

@@ -168,6 +168,13 @@ are always available.  They are listed here in alphabetical order.
    If :func:`sys.breakpointhook` is not accessible, this function will
    raise :exc:`RuntimeError`.
 
+   By default, the behavior of :func:`breakpoint` can be changed with
+   the :envvar:`PYTHONBREAKPOINT` environment variable.
+   See :func:`sys.breakpointhook` for usage details.
+
+   Note that this is not guaranteed if :func:`sys.breakpointhook`
+   has been replaced.
+
    .. audit-event:: builtins.breakpoint breakpointhook breakpoint
 
    .. versionadded:: 3.7

Doc/library/random.rst

@@ -334,8 +334,10 @@ be found in any statistics text.
 
 .. function:: gammavariate(alpha, beta)
 
-   Gamma distribution.  (*Not* the gamma function!)  Conditions on the
-   parameters are ``alpha > 0`` and ``beta > 0``.
+   Gamma distribution.  (*Not* the gamma function!)  The shape and
+   scale parameters, *alpha* and *beta*, must have positive values.
+   (Calling conventions vary and some sources define 'beta'
+   as the inverse of the scale).
 
    The probability distribution function is::
 
@@ -346,7 +348,8 @@ be found in any statistics text.
 
 .. function:: gauss(mu=0.0, sigma=1.0)
 
-   Normal distribution, also called the Gaussian distribution.  *mu* is the mean,
+   Normal distribution, also called the Gaussian distribution.
+   *mu* is the mean,
    and *sigma* is the standard deviation.  This is slightly faster than
    the :func:`normalvariate` function defined below.
 

Doc/library/typing.rst

@@ -19,7 +19,7 @@
 
 This module provides runtime support for type hints. The most fundamental
 support consists of the types :data:`Any`, :data:`Union`, :data:`Callable`,
-:class:`TypeVar`, and :class:`Generic`. For a full specification, please see
+:class:`TypeVar`, and :class:`Generic`. For a specification, please see
 :pep:`484`. For a simplified introduction to type hints, see :pep:`483`.
 
 
@@ -592,7 +592,7 @@ The module defines the following classes, functions and decorators.
    when the checked program targets Python 3.9 or newer.
 
    The deprecated types will be removed from the :mod:`typing` module
-   in the first Python version released 5 years after the release of Python 3.9.0.
+   no sooner than the first Python version released 5 years after the release of Python 3.9.0.
    See details in :pep:`585`—*Type Hinting Generics In Standard Collections*.
 
 
@@ -1291,6 +1291,8 @@ These are not used in annotations. They are building blocks for creating generic
        U = TypeVar('U', bound=str|bytes)  # Can be any subtype of the union str|bytes
        V = TypeVar('V', bound=SupportsAbs)  # Can be anything with an __abs__ method
 
+.. _typing-constrained-typevar:
+
     Using a *constrained* type variable, however, means that the ``TypeVar``
     can only ever be solved as being exactly one of the constraints given::
 
@@ -1550,7 +1552,7 @@ These are not used in annotations. They are building blocks for creating generic
 
 .. data:: AnyStr
 
-   ``AnyStr`` is a :class:`constrained type variable <TypeVar>` defined as
+   ``AnyStr`` is a :ref:`constrained type variable <typing-constrained-typevar>` defined as
    ``AnyStr = TypeVar('AnyStr', str, bytes)``.
 
    It is meant to be used for functions that may accept any kind of string
@@ -2112,7 +2114,7 @@ Other concrete types
       Python 2 is no longer supported, and most type checkers also no longer
       support type checking Python 2 code. Removal of the alias is not
       currently planned, but users are encouraged to use
-      :class:`str` instead of ``Text`` wherever possible.
+      :class:`str` instead of ``Text``.
 
 Abstract Base Classes
 ---------------------

Doc/whatsnew/3.12.rst

@@ -831,8 +831,8 @@ Pending Removal in Python 3.14
   For use in typing, prefer a union, like ``bytes | bytearray``, or :class:`collections.abc.Buffer`.
   (Contributed by Shantanu Jain in :gh:`91896`.)
 
-* :class:`typing.ByteString`, deprecated since Python 3.9, now causes an
-  :exc:`DeprecationWarning` to be emitted when it is used or accessed.
+* :class:`typing.ByteString`, deprecated since Python 3.9, now causes a
+  :exc:`DeprecationWarning` to be emitted when it is used.
 
 * Creating immutable types (:data:`Py_TPFLAGS_IMMUTABLETYPE`) with mutable
   bases using the C API.
@@ -1204,6 +1204,8 @@ Build Changes
 
   (Contributed by Zhang Na in :gh:`90656`.)
 
+* ``PYTHON_FOR_REGEN`` now require Python 3.10 or newer.
+
 
 C API Changes
 =============

Lib/asyncio/sslproto.py

@@ -244,7 +244,8 @@ def abort(self):
         called with None as its argument.
         """
         self._closed = True
-        self._ssl_protocol._abort()
+        if self._ssl_protocol is not None:
+            self._ssl_protocol._abort()
 
     def _force_close(self, exc):
         self._closed = True

Lib/collections/abc.py

@@ -1,12 +1,3 @@
 from _collections_abc import *
 from _collections_abc import __all__
 from _collections_abc import _CallableGenericAlias
-
-_deprecated_ByteString = globals().pop("ByteString")
-
-def __getattr__(attr):
-    if attr == "ByteString":
-        import warnings
-        warnings._deprecated("collections.abc.ByteString", remove=(3, 14))
-        return _deprecated_ByteString
-    raise AttributeError(f"module 'collections.abc' has no attribute {attr!r}")

Lib/http/server.py

@@ -300,6 +300,10 @@ def parse_request(self):
                 #   - Leading zeros MUST be ignored by recipients.
                 if len(version_number) != 2:
                     raise ValueError
+                if any(not component.isdigit() for component in version_number):
+                    raise ValueError("non digit in http version")
+                if any(len(component) > 10 for component in version_number):
+                    raise ValueError("unreasonable length http version")
                 version_number = int(version_number[0]), int(version_number[1])
             except (ValueError, IndexError):
                 self.send_error(

Lib/idlelib/NEWS.txt

@@ -1,9 +1,20 @@
+What's New in IDLE 3.12.0
+(since 3.11.0)
+Released on 2023-10-02
+=========================
+
+
+gh-88496 Fix IDLE test hang on macOS.
+
+gh-103314 Support sys.last_exc after exceptions in Shell.
+Patch by Irit Katriel.
+
+
 What's New in IDLE 3.11.0
 (since 3.10.0)
-Released on 2022-10-03
+Released on 2022-10-24
 =========================
 
-
 gh-97527: Fix a bug in the previous bugfix that caused IDLE to not
 start when run with 3.10.8, 3.12.0a1, and at least Microsoft Python
 3.10.2288.0 installed without the Lib/test package.  3.11.0 was never