Merge branch 'main' into pthread_jit_write_protect_np

.azure-pipelines/ci.yml

@@ -5,7 +5,7 @@ jobs:
   displayName: Pre-build checks
 
   pool:
-    vmImage: ubuntu-22.04
+    vmImage: ubuntu-24.04
 
   steps:
   - template: ./prebuild-checks.yml

.github/workflows/build.yml

@@ -88,7 +88,7 @@ jobs:
     name: 'Check if generated files are up to date'
     # Don't use ubuntu-latest but a specific version to make the job
     # reproducible: to get the same tools versions (autoconf, aclocal, ...)
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     timeout-minutes: 60
     needs: check_source
     if: needs.check_source.outputs.run_tests == 'true'
@@ -237,7 +237,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-22.04]
+        os: [ubuntu-24.04]
         openssl_ver: [3.0.15, 3.1.7, 3.2.3, 3.3.2]
     env:
       OPENSSL_VER: ${{ matrix.openssl_ver }}
@@ -297,7 +297,7 @@ jobs:
 
   test_hypothesis:
     name: "Hypothesis tests on Ubuntu"
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     timeout-minutes: 60
     needs: check_source
     if: needs.check_source.outputs.run_tests == 'true' && needs.check_source.outputs.run_hypothesis == 'true'
@@ -417,7 +417,7 @@ jobs:
     if: needs.check_source.outputs.run_tests == 'true'
     strategy:
       matrix:
-        os: [ubuntu-22.04]
+        os: [ubuntu-24.04]
     env:
       OPENSSL_VER: 3.0.15
       PYTHONSTRICTEXTENSIONBUILD: 1

.github/workflows/jit.yml

@@ -131,8 +131,8 @@ jobs:
           brew update
           find /usr/local/bin -lname '*/Library/Frameworks/Python.framework/*' -delete
           brew install llvm@${{ matrix.llvm }}
-          SDKROOT="$(xcrun --show-sdk-path)" \
-            ./configure --enable-experimental-jit ${{ matrix.debug && '--with-pydebug' || '--enable-optimizations --with-lto' }}
+          export SDKROOT="$(xcrun --show-sdk-path)"
+          ./configure --enable-experimental-jit ${{ matrix.debug && '--with-pydebug' || '--enable-optimizations --with-lto' }}
           make all --jobs 4
           ./python.exe -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3
 

.github/workflows/posix-deps-apt.sh

@@ -13,7 +13,6 @@ apt-get -yq install \
     libgdbm-dev \
     libgdbm-compat-dev \
     liblzma-dev \
-    libmpdec-dev \
     libncurses5-dev \
     libreadline6-dev \
     libsqlite3-dev \

.github/workflows/reusable-tsan.yml

@@ -21,7 +21,7 @@ on:
 jobs:
   build_tsan_reusable:
     name: 'Thread sanitizer'
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     timeout-minutes: 60
     steps:
     - uses: actions/checkout@v4

.github/workflows/reusable-ubuntu.yml

@@ -20,7 +20,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-22.04]
+        os: [ubuntu-24.04]
     env:
       FORCE_COLOR: 1
       OPENSSL_VER: 3.0.15

.github/workflows/reusable-wasi.yml

@@ -11,7 +11,7 @@ jobs:
   build_wasi_reusable:
     name: 'build and test'
     timeout-minutes: 60
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     env:
       WASMTIME_VERSION: 22.0.0
       WASI_SDK_VERSION: 24

Doc/c-api/allocation.rst

@@ -15,10 +15,8 @@ Allocating Objects on the Heap
 .. c:function:: PyObject* PyObject_Init(PyObject *op, PyTypeObject *type)
 
    Initialize a newly allocated object *op* with its type and initial
-   reference.  Returns the initialized object.  If *type* indicates that the
-   object participates in the cyclic garbage detector, it is added to the
-   detector's set of observed objects. Other fields of the object are not
-   affected.
+   reference.  Returns the initialized object.  Other fields of the object are
+   not affected.
 
 
 .. c:function:: PyVarObject* PyObject_InitVar(PyVarObject *op, PyTypeObject *type, Py_ssize_t size)

Doc/c-api/typeobj.rst

@@ -2230,7 +2230,7 @@ This is done by filling a :c:type:`PyType_Spec` structure and calling
 .. _number-structs:
 
 Number Object Structures
-========================
+------------------------
 
 .. sectionauthor:: Amaury Forgeot d'Arc
 
@@ -2344,7 +2344,7 @@ Number Object Structures
 .. _mapping-structs:
 
 Mapping Object Structures
-=========================
+-------------------------
 
 .. sectionauthor:: Amaury Forgeot d'Arc
 
@@ -2381,7 +2381,7 @@ Mapping Object Structures
 .. _sequence-structs:
 
 Sequence Object Structures
-==========================
+--------------------------
 
 .. sectionauthor:: Amaury Forgeot d'Arc
 
@@ -2461,7 +2461,7 @@ Sequence Object Structures
 .. _buffer-structs:
 
 Buffer Object Structures
-========================
+------------------------
 
 .. sectionauthor:: Greg J. Stein <[email protected]>
 .. sectionauthor:: Benjamin Peterson
@@ -2556,7 +2556,7 @@ Buffer Object Structures
 
 
 Async Object Structures
-=======================
+-----------------------
 
 .. sectionauthor:: Yury Selivanov <[email protected]>
 
@@ -2624,7 +2624,7 @@ Async Object Structures
 .. _slot-typedefs:
 
 Slot Type typedefs
-==================
+------------------
 
 .. c:type:: PyObject *(*allocfunc)(PyTypeObject *cls, Py_ssize_t nitems)
 
@@ -2733,7 +2733,7 @@ Slot Type typedefs
 .. _typedef-examples:
 
 Examples
-========
+--------
 
 The following are simple examples of Python type definitions.  They
 include common usage you may encounter.  Some demonstrate tricky corner

Doc/deprecations/pending-removal-in-3.14.rst

@@ -103,13 +103,6 @@ Pending removal in Python 3.14
     if :ref:`named placeholders <sqlite3-placeholders>` are used and
     *parameters* is a sequence instead of a :class:`dict`.
 
-* :class:`types.CodeType`: Accessing :attr:`~codeobject.co_lnotab` was
-  deprecated in :pep:`626`
-  since 3.10 and was planned to be removed in 3.12,
-  but it only got a proper :exc:`DeprecationWarning` in 3.12.
-  May be removed in 3.14.
-  (Contributed by Nikita Sobolev in :gh:`101866`.)
-
 * :mod:`typing`: :class:`!typing.ByteString`, deprecated since Python 3.9,
   now causes a :exc:`DeprecationWarning` to be emitted when it is used.
 

Doc/deprecations/pending-removal-in-3.15.rst

@@ -59,6 +59,15 @@ Pending removal in Python 3.15
     but the C version allows any number of positional or keyword arguments,
     ignoring every argument.
 
+* :mod:`types`:
+
+  * :class:`types.CodeType`: Accessing :attr:`~codeobject.co_lnotab` was
+    deprecated in :pep:`626`
+    since 3.10 and was planned to be removed in 3.12,
+    but it only got a proper :exc:`DeprecationWarning` in 3.12.
+    May be removed in 3.15.
+    (Contributed by Nikita Sobolev in :gh:`101866`.)
+
 * :mod:`typing`:
 
   * The undocumented keyword argument syntax for creating

Doc/howto/logging-cookbook.rst

@@ -1267,11 +1267,8 @@ to adapt in your own applications.
 
 You could also write your own handler which uses the :class:`~multiprocessing.Lock`
 class from the :mod:`multiprocessing` module to serialize access to the
-file from your processes. The existing :class:`FileHandler` and subclasses do
-not make use of :mod:`multiprocessing` at present, though they may do so in the
-future. Note that at present, the :mod:`multiprocessing` module does not provide
-working lock functionality on all platforms (see
-https://bugs.python.org/issue3770).
+file from your processes. The stdlib :class:`FileHandler` and subclasses do
+not make use of :mod:`multiprocessing`.
 
 .. currentmodule:: logging.handlers
 

Doc/library/configparser.rst

@@ -942,7 +942,13 @@ interpolation if an option used is not defined elsewhere. ::
 ConfigParser Objects
 --------------------
 
-.. class:: ConfigParser(defaults=None, dict_type=dict, allow_no_value=False, delimiters=('=', ':'), comment_prefixes=('#', ';'), inline_comment_prefixes=None, strict=True, empty_lines_in_values=True, default_section=configparser.DEFAULTSECT, interpolation=BasicInterpolation(), converters={})
+.. class:: ConfigParser(defaults=None, dict_type=dict, allow_no_value=False, *, \
+                        delimiters=('=', ':'), comment_prefixes=('#', ';'), \
+                        inline_comment_prefixes=None, strict=True, \
+                        empty_lines_in_values=True, \
+                        default_section=configparser.DEFAULTSECT, \
+                        interpolation=BasicInterpolation(), converters={}, \
+                        allow_unnamed_section=False)
 
    The main configuration parser.  When *defaults* is given, it is initialized
    into the dictionary of intrinsic defaults.  When *dict_type* is given, it
@@ -990,6 +996,10 @@ ConfigParser Objects
    converter gets its own corresponding :meth:`!get*` method on the parser
    object and section proxies.
 
+   When *allow_unnamed_section* is ``True`` (default: ``False``),
+   the first section name can be omitted. See the
+   `"Unnamed Sections" section <#unnamed-sections>`_.
+
    It is possible to read several configurations into a single
    :class:`ConfigParser`, where the most recently added configuration has the
    highest priority. Any conflicting keys are taken from the more recent
@@ -1039,6 +1049,9 @@ ConfigParser Objects
       Raise a :exc:`MultilineContinuationError` when *allow_no_value* is
       ``True``, and a key without a value is continued with an indented line.
 
+   .. versionchanged:: 3.13
+      The *allow_unnamed_section* argument was added.
+
    .. method:: defaults()
 
       Return a dictionary containing the instance-wide defaults.
@@ -1295,18 +1308,30 @@ RawConfigParser Objects
                            comment_prefixes=('#', ';'), \
                            inline_comment_prefixes=None, strict=True, \
                            empty_lines_in_values=True, \
-                           default_section=configparser.DEFAULTSECT[, \
-                           interpolation])
+                           default_section=configparser.DEFAULTSECT, \
+                           interpolation=BasicInterpolation(), converters={}, \
+                           allow_unnamed_section=False)
 
    Legacy variant of the :class:`ConfigParser`.  It has interpolation
    disabled by default and allows for non-string section names, option
    names, and values via its unsafe ``add_section`` and ``set`` methods,
    as well as the legacy ``defaults=`` keyword argument handling.
 
+   .. versionchanged:: 3.2
+      *allow_no_value*, *delimiters*, *comment_prefixes*, *strict*,
+      *empty_lines_in_values*, *default_section* and *interpolation* were
+      added.
+
+   .. versionchanged:: 3.5
+      The *converters* argument was added.
+
    .. versionchanged:: 3.8
       The default *dict_type* is :class:`dict`, since it now preserves
       insertion order.
 
+   .. versionchanged:: 3.13
+      The *allow_unnamed_section* argument was added.
+
    .. note::
       Consider using :class:`ConfigParser` instead which checks types of
       the values to be stored internally.  If you don't want interpolation, you

Doc/library/dis.rst

@@ -1395,6 +1395,13 @@ iterations of the loop.
       This opcode is now only used in situations where the local variable is
       guaranteed to be initialized. It cannot raise :exc:`UnboundLocalError`.
 
+.. opcode:: LOAD_FAST_LOAD_FAST (var_nums)
+
+   Pushes references to ``co_varnames[var_nums >> 4]`` and
+   ``co_varnames[var_nums & 15]`` onto the stack.
+
+   .. versionadded:: 3.13
+
 .. opcode:: LOAD_FAST_CHECK (var_num)
 
    Pushes a reference to the local ``co_varnames[var_num]`` onto the stack,
@@ -1415,6 +1422,20 @@ iterations of the loop.
 
    Stores ``STACK.pop()`` into the local ``co_varnames[var_num]``.
 
+.. opcode:: STORE_FAST_STORE_FAST (var_nums)
+
+   Stores ``STACK[-1]`` into ``co_varnames[var_nums >> 4]``
+   and ``STACK[-2]`` into ``co_varnames[var_nums & 15]``.
+
+   .. versionadded:: 3.13
+
+.. opcode:: STORE_FAST_LOAD_FAST (var_nums)
+
+   Stores ``STACK.pop()`` into the local ``co_varnames[var_nums >> 4]``
+   and pushes a reference to the local ``co_varnames[var_nums & 15]``
+   onto the stack.
+
+   .. versionadded:: 3.13
 
 .. opcode:: DELETE_FAST (var_num)
 
@@ -1562,7 +1583,7 @@ iterations of the loop.
 
 .. opcode:: MAKE_FUNCTION
 
-   Pushes a new function object on the stack built from the code object at ``STACK[1]``.
+   Pushes a new function object on the stack built from the code object at ``STACK[-1]``.
 
    .. versionchanged:: 3.10
       Flag value ``0x04`` is a tuple of strings instead of dictionary

Doc/library/math.rst

@@ -406,7 +406,7 @@ Number-theoretic and representation functions
 
    Roughly equivalent to::
 
-       sum(itertools.starmap(operator.mul, zip(p, q, strict=True)))
+       sum(map(operator.mul, p, q, strict=True))
 
    For float and mixed int/float inputs, the intermediate products
    and sums are computed with extended precision.