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# SOME DESCRIPTIVE TITLE.
# Copyright (C) 2001-2024, Python Software Foundation
# This file is distributed under the same license as the Python package.
# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: Python 3.12\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2025-12-04 09:48+0200\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <LL@li.org>\n"
"Language: \n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
#: whatsnew/3.12.rst:4
msgid "What's New In Python 3.12"
msgstr ""
#: whatsnew/3.12.rst:0
msgid "Editor"
msgstr ""
#: whatsnew/3.12.rst:6
msgid "Adam Turner"
msgstr ""
#: whatsnew/3.12.rst:48
msgid ""
"This article explains the new features in Python 3.12, compared to 3.11. "
"Python 3.12 was released on October 2, 2023. For full details, see the :ref:"
"`changelog <changelog>`."
msgstr ""
#: whatsnew/3.12.rst:54
msgid ":pep:`693` -- Python 3.12 Release Schedule"
msgstr ""
#: whatsnew/3.12.rst:57
msgid "Summary -- Release highlights"
msgstr ""
#: whatsnew/3.12.rst:62
msgid ""
"Python 3.12 is a stable release of the Python programming language, with a "
"mix of changes to the language and the standard library. The library changes "
"focus on cleaning up deprecated APIs, usability, and correctness. Of note, "
"the :mod:`!distutils` package has been removed from the standard library. "
"Filesystem support in :mod:`os` and :mod:`pathlib` has seen a number of "
"improvements, and several modules have better performance."
msgstr ""
#: whatsnew/3.12.rst:69
msgid ""
"The language changes focus on usability, as :term:`f-strings <f-string>` "
"have had many limitations removed and 'Did you mean ...' suggestions "
"continue to improve. The new :ref:`type parameter syntax <whatsnew312-"
"pep695>` and :keyword:`type` statement improve ergonomics for using :term:"
"`generic types <generic type>` and :term:`type aliases <type alias>` with "
"static type checkers."
msgstr ""
#: whatsnew/3.12.rst:76
msgid ""
"This article doesn't attempt to provide a complete specification of all new "
"features, but instead gives a convenient overview. For full details, you "
"should refer to the documentation, such as the :ref:`Library Reference "
"<library-index>` and :ref:`Language Reference <reference-index>`. If you "
"want to understand the complete implementation and design rationale for a "
"change, refer to the PEP for a particular new feature; but note that PEPs "
"usually are not kept up-to-date once a feature has been fully implemented."
msgstr ""
#: whatsnew/3.12.rst:90
msgid "New syntax features:"
msgstr ""
#: whatsnew/3.12.rst:92
msgid ""
":ref:`PEP 695 <whatsnew312-pep695>`, type parameter syntax and the :keyword:"
"`type` statement"
msgstr ""
#: whatsnew/3.12.rst:94
msgid "New grammar features:"
msgstr ""
#: whatsnew/3.12.rst:96
msgid ""
":ref:`PEP 701 <whatsnew312-pep701>`, :term:`f-strings <f-string>` in the "
"grammar"
msgstr ""
#: whatsnew/3.12.rst:98
msgid "Interpreter improvements:"
msgstr ""
#: whatsnew/3.12.rst:100
msgid ""
":ref:`PEP 684 <whatsnew312-pep684>`, a unique per-interpreter :term:`GIL "
"<global interpreter lock>`"
msgstr ""
#: whatsnew/3.12.rst:102
msgid ":ref:`PEP 669 <whatsnew312-pep669>`, low impact monitoring"
msgstr ""
#: whatsnew/3.12.rst:103
msgid ""
"`Improved 'Did you mean ...' suggestions <improved error messages_>`_ for :"
"exc:`NameError`, :exc:`ImportError`, and :exc:`SyntaxError` exceptions"
msgstr ""
#: whatsnew/3.12.rst:106
msgid "Python data model improvements:"
msgstr ""
#: whatsnew/3.12.rst:108
msgid ""
":ref:`PEP 688 <whatsnew312-pep688>`, using the :ref:`buffer protocol "
"<bufferobjects>` from Python"
msgstr ""
#: whatsnew/3.12.rst:111
msgid "Significant improvements in the standard library:"
msgstr ""
#: whatsnew/3.12.rst:113
msgid "The :class:`pathlib.Path` class now supports subclassing"
msgstr ""
#: whatsnew/3.12.rst:114
msgid "The :mod:`os` module received several improvements for Windows support"
msgstr ""
#: whatsnew/3.12.rst:115
msgid ""
"A :ref:`command-line interface <sqlite3-cli>` has been added to the :mod:"
"`sqlite3` module"
msgstr ""
#: whatsnew/3.12.rst:117
msgid ""
":func:`isinstance` checks against :func:`runtime-checkable protocols <typing."
"runtime_checkable>` enjoy a speed up of between two and 20 times"
msgstr ""
#: whatsnew/3.12.rst:119
msgid ""
"The :mod:`asyncio` package has had a number of performance improvements, "
"with some benchmarks showing a 75% speed up."
msgstr ""
#: whatsnew/3.12.rst:121
msgid ""
"A :ref:`command-line interface <uuid-cli>` has been added to the :mod:`uuid` "
"module"
msgstr ""
#: whatsnew/3.12.rst:123
msgid ""
"Due to the changes in :ref:`PEP 701 <whatsnew312-pep701>`, producing tokens "
"via the :mod:`tokenize` module is up to 64% faster."
msgstr ""
#: whatsnew/3.12.rst:126
msgid "Security improvements:"
msgstr ""
#: whatsnew/3.12.rst:128
msgid ""
"Replace the builtin :mod:`hashlib` implementations of SHA1, SHA3, SHA2-384, "
"SHA2-512, and MD5 with formally verified code from the `HACL* <https://"
"github.com/hacl-star/hacl-star/>`__ project. These builtin implementations "
"remain as fallbacks that are only used when OpenSSL does not provide them."
msgstr ""
#: whatsnew/3.12.rst:134
msgid "C API improvements:"
msgstr ""
#: whatsnew/3.12.rst:136
msgid ":ref:`PEP 697 <whatsnew312-pep697>`, unstable C API tier"
msgstr ""
#: whatsnew/3.12.rst:137
msgid ":ref:`PEP 683 <whatsnew312-pep683>`, immortal objects"
msgstr ""
#: whatsnew/3.12.rst:139
msgid "CPython implementation improvements:"
msgstr ""
#: whatsnew/3.12.rst:141
msgid ":ref:`PEP 709 <whatsnew312-pep709>`, comprehension inlining"
msgstr ""
#: whatsnew/3.12.rst:142
msgid ":ref:`CPython support <perf_profiling>` for the Linux ``perf`` profiler"
msgstr ""
#: whatsnew/3.12.rst:143
msgid "Implement stack overflow protection on supported platforms"
msgstr ""
#: whatsnew/3.12.rst:145
msgid "New typing features:"
msgstr ""
#: whatsnew/3.12.rst:147
msgid ""
":ref:`PEP 692 <whatsnew312-pep692>`, using :class:`~typing.TypedDict` to "
"annotate :term:`**kwargs <argument>`"
msgstr ""
#: whatsnew/3.12.rst:149
msgid ":ref:`PEP 698 <whatsnew312-pep698>`, :func:`typing.override` decorator"
msgstr ""
#: whatsnew/3.12.rst:151
msgid "Important deprecations, removals or restrictions:"
msgstr ""
#: whatsnew/3.12.rst:153
msgid ""
":pep:`623`: Remove ``wstr`` from Unicode objects in Python's C API, reducing "
"the size of every :class:`str` object by at least 8 bytes."
msgstr ""
#: whatsnew/3.12.rst:156
msgid ""
":pep:`632`: Remove the :mod:`!distutils` package. See :pep:`the migration "
"guide <0632#migration-advice>` for advice replacing the APIs it provided. "
"The third-party `Setuptools <https://setuptools.pypa.io/en/latest/deprecated/"
"distutils-legacy.html>`__ package continues to provide :mod:`!distutils`, if "
"you still require it in Python 3.12 and beyond."
msgstr ""
#: whatsnew/3.12.rst:163
msgid ""
":gh:`95299`: Do not pre-install ``setuptools`` in virtual environments "
"created with :mod:`venv`. This means that ``distutils``, ``setuptools``, "
"``pkg_resources``, and ``easy_install`` will no longer available by default; "
"to access these run ``pip install setuptools`` in the :ref:`activated <venv-"
"explanation>` virtual environment."
msgstr ""
#: whatsnew/3.12.rst:170
msgid ""
"The :mod:`!asynchat`, :mod:`!asyncore`, and :mod:`!imp` modules have been "
"removed, along with several :class:`unittest.TestCase` `method aliases "
"<unittest-TestCase-removed-aliases_>`_."
msgstr ""
#: whatsnew/3.12.rst:1856
msgid "New Features"
msgstr ""
#: whatsnew/3.12.rst:181
msgid "PEP 695: Type Parameter Syntax"
msgstr ""
#: whatsnew/3.12.rst:183
msgid ""
"Generic classes and functions under :pep:`484` were declared using a verbose "
"syntax that left the scope of type parameters unclear and required explicit "
"declarations of variance."
msgstr ""
#: whatsnew/3.12.rst:187
msgid ""
":pep:`695` introduces a new, more compact and explicit way to create :ref:"
"`generic classes <generic-classes>` and :ref:`functions <generic-"
"functions>`::"
msgstr ""
#: whatsnew/3.12.rst:190
msgid ""
"def max[T](args: Iterable[T]) -> T:\n"
" ...\n"
"\n"
"class list[T]:\n"
" def __getitem__(self, index: int, /) -> T:\n"
" ...\n"
"\n"
" def append(self, element: T) -> None:\n"
" ..."
msgstr ""
#: whatsnew/3.12.rst:200
msgid ""
"In addition, the PEP introduces a new way to declare :ref:`type aliases "
"<type-aliases>` using the :keyword:`type` statement, which creates an "
"instance of :class:`~typing.TypeAliasType`::"
msgstr ""
#: whatsnew/3.12.rst:204
msgid "type Point = tuple[float, float]"
msgstr ""
#: whatsnew/3.12.rst:206
msgid "Type aliases can also be :ref:`generic <generic-type-aliases>`::"
msgstr ""
#: whatsnew/3.12.rst:208
msgid "type Point[T] = tuple[T, T]"
msgstr ""
#: whatsnew/3.12.rst:210
msgid ""
"The new syntax allows declaring :class:`~typing.TypeVarTuple` and :class:"
"`~typing.ParamSpec` parameters, as well as :class:`~typing.TypeVar` "
"parameters with bounds or constraints::"
msgstr ""
#: whatsnew/3.12.rst:214
msgid ""
"type IntFunc[**P] = Callable[P, int] # ParamSpec\n"
"type LabeledTuple[*Ts] = tuple[str, *Ts] # TypeVarTuple\n"
"type HashableSequence[T: Hashable] = Sequence[T] # TypeVar with bound\n"
"type IntOrStrSequence[T: (int, str)] = Sequence[T] # TypeVar with "
"constraints"
msgstr ""
#: whatsnew/3.12.rst:219
msgid ""
"The value of type aliases and the bound and constraints of type variables "
"created through this syntax are evaluated only on demand (see :ref:`lazy "
"evaluation <lazy-evaluation>`). This means type aliases are able to refer to "
"other types defined later in the file."
msgstr ""
#: whatsnew/3.12.rst:224
msgid ""
"Type parameters declared through a type parameter list are visible within "
"the scope of the declaration and any nested scopes, but not in the outer "
"scope. For example, they can be used in the type annotations for the methods "
"of a generic class or in the class body. However, they cannot be used in the "
"module scope after the class is defined. See :ref:`type-params` for a "
"detailed description of the runtime semantics of type parameters."
msgstr ""
#: whatsnew/3.12.rst:231
msgid ""
"In order to support these scoping semantics, a new kind of scope is "
"introduced, the :ref:`annotation scope <annotation-scopes>`. Annotation "
"scopes behave for the most part like function scopes, but interact "
"differently with enclosing class scopes. In Python 3.13, :term:`annotations "
"<annotation>` will also be evaluated in annotation scopes."
msgstr ""
#: whatsnew/3.12.rst:237
msgid "See :pep:`695` for more details."
msgstr ""
#: whatsnew/3.12.rst:239
msgid ""
"(PEP written by Eric Traut. Implementation by Jelle Zijlstra, Eric Traut, "
"and others in :gh:`103764`.)"
msgstr ""
#: whatsnew/3.12.rst:245
msgid "PEP 701: Syntactic formalization of f-strings"
msgstr ""
#: whatsnew/3.12.rst:247
msgid ""
":pep:`701` lifts some restrictions on the usage of :term:`f-strings <f-"
"string>`. Expression components inside f-strings can now be any valid Python "
"expression, including strings reusing the same quote as the containing f-"
"string, multi-line expressions, comments, backslashes, and unicode escape "
"sequences. Let's cover these in detail:"
msgstr ""
#: whatsnew/3.12.rst:253
msgid ""
"Quote reuse: in Python 3.11, reusing the same quotes as the enclosing f-"
"string raises a :exc:`SyntaxError`, forcing the user to either use other "
"available quotes (like using double quotes or triple quotes if the f-string "
"uses single quotes). In Python 3.12, you can now do things like this:"
msgstr ""
#: whatsnew/3.12.rst:262
msgid ""
"Note that before this change there was no explicit limit in how f-strings "
"can be nested, but the fact that string quotes cannot be reused inside the "
"expression component of f-strings made it impossible to nest f-strings "
"arbitrarily. In fact, this is the most nested f-string that could be written:"
msgstr ""
#: whatsnew/3.12.rst:270
msgid ""
"As now f-strings can contain any valid Python expression inside expression "
"components, it is now possible to nest f-strings arbitrarily:"
msgstr ""
#: whatsnew/3.12.rst:276
msgid ""
"Multi-line expressions and comments: In Python 3.11, f-string expressions "
"must be defined in a single line, even if the expression within the f-string "
"could normally span multiple lines (like literal lists being defined over "
"multiple lines), making them harder to read. In Python 3.12 you can now "
"define f-strings spanning multiple lines, and add inline comments:"
msgstr ""
#: whatsnew/3.12.rst:290
msgid ""
"Backslashes and unicode characters: before Python 3.12 f-string expressions "
"couldn't contain any ``\\`` character. This also affected unicode :ref:"
"`escape sequences <escape-sequences>` (such as ``\\N{snowman}``) as these "
"contain the ``\\N`` part that previously could not be part of expression "
"components of f-strings. Now, you can define expressions like this:"
msgstr ""
#: whatsnew/3.12.rst:303
msgid "See :pep:`701` for more details."
msgstr ""
#: whatsnew/3.12.rst:305
msgid ""
"As a positive side-effect of how this feature has been implemented (by "
"parsing f-strings with :pep:`the PEG parser <617>`), now error messages for "
"f-strings are more precise and include the exact location of the error. For "
"example, in Python 3.11, the following f-string raises a :exc:`SyntaxError`:"
msgstr ""
#: whatsnew/3.12.rst:310
msgid ""
">>> my_string = f\"{x z y}\" + f\"{1 + 1}\"\n"
" File \"<stdin>\", line 1\n"
" (x z y)\n"
" ^^^\n"
"SyntaxError: f-string: invalid syntax. Perhaps you forgot a comma?"
msgstr ""
#: whatsnew/3.12.rst:318
msgid ""
"but the error message doesn't include the exact location of the error within "
"the line and also has the expression artificially surrounded by parentheses. "
"In Python 3.12, as f-strings are parsed with the PEG parser, error messages "
"can be more precise and show the entire line:"
msgstr ""
#: whatsnew/3.12.rst:322
msgid ""
">>> my_string = f\"{x z y}\" + f\"{1 + 1}\"\n"
" File \"<stdin>\", line 1\n"
" my_string = f\"{x z y}\" + f\"{1 + 1}\"\n"
" ^^^\n"
"SyntaxError: invalid syntax. Perhaps you forgot a comma?"
msgstr ""
#: whatsnew/3.12.rst:330
msgid ""
"(Contributed by Pablo Galindo, Batuhan Taskaya, Lysandros Nikolaou, Cristián "
"Maureira-Fredes and Marta Gómez in :gh:`102856`. PEP written by Pablo "
"Galindo, Batuhan Taskaya, Lysandros Nikolaou and Marta Gómez)."
msgstr ""
#: whatsnew/3.12.rst:337
msgid "PEP 684: A Per-Interpreter GIL"
msgstr ""
#: whatsnew/3.12.rst:339
msgid ""
":pep:`684` introduces a per-interpreter :term:`GIL <global interpreter "
"lock>`, so that sub-interpreters may now be created with a unique GIL per "
"interpreter. This allows Python programs to take full advantage of multiple "
"CPU cores. This is currently only available through the C-API, though a "
"Python API is :pep:`anticipated for 3.13 <554>`."
msgstr ""
#: whatsnew/3.12.rst:345
msgid ""
"Use the new :c:func:`Py_NewInterpreterFromConfig` function to create an "
"interpreter with its own GIL:"
msgstr ""
#: whatsnew/3.12.rst:348
msgid ""
"PyInterpreterConfig config = {\n"
" .check_multi_interp_extensions = 1,\n"
" .gil = PyInterpreterConfig_OWN_GIL,\n"
"};\n"
"PyThreadState *tstate = NULL;\n"
"PyStatus status = Py_NewInterpreterFromConfig(&tstate, &config);\n"
"if (PyStatus_Exception(status)) {\n"
" return -1;\n"
"}\n"
"/* The new interpreter is now active in the current thread. */"
msgstr ""
#: whatsnew/3.12.rst:361
msgid ""
"For further examples how to use the C-API for sub-interpreters with a per-"
"interpreter GIL, see ``Modules/_xxsubinterpretersmodule.c``."
msgstr ""
#: whatsnew/3.12.rst:364
msgid "(Contributed by Eric Snow in :gh:`104210`, etc.)"
msgstr ""
#: whatsnew/3.12.rst:369
msgid "PEP 669: Low impact monitoring for CPython"
msgstr ""
#: whatsnew/3.12.rst:371
msgid ""
":pep:`669` defines a new :mod:`API <sys.monitoring>` for profilers, "
"debuggers, and other tools to monitor events in CPython. It covers a wide "
"range of events, including calls, returns, lines, exceptions, jumps, and "
"more. This means that you only pay for what you use, providing support for "
"near-zero overhead debuggers and coverage tools. See :mod:`sys.monitoring` "
"for details."
msgstr ""
#: whatsnew/3.12.rst:379
msgid "(Contributed by Mark Shannon in :gh:`103082`.)"
msgstr ""
#: whatsnew/3.12.rst:384
msgid "PEP 688: Making the buffer protocol accessible in Python"
msgstr ""
#: whatsnew/3.12.rst:386
msgid ""
":pep:`688` introduces a way to use the :ref:`buffer protocol "
"<bufferobjects>` from Python code. Classes that implement the :meth:`~object."
"__buffer__` method are now usable as buffer types."
msgstr ""
#: whatsnew/3.12.rst:390
msgid ""
"The new :class:`collections.abc.Buffer` ABC provides a standard way to "
"represent buffer objects, for example in type annotations. The new :class:"
"`inspect.BufferFlags` enum represents the flags that can be used to "
"customize buffer creation. (Contributed by Jelle Zijlstra in :gh:`102500`.)"
msgstr ""
#: whatsnew/3.12.rst:399
msgid "PEP 709: Comprehension inlining"
msgstr ""
#: whatsnew/3.12.rst:401
msgid ""
"Dictionary, list, and set comprehensions are now inlined, rather than "
"creating a new single-use function object for each execution of the "
"comprehension. This speeds up execution of a comprehension by up to two "
"times. See :pep:`709` for further details."
msgstr ""
#: whatsnew/3.12.rst:406
msgid ""
"Comprehension iteration variables remain isolated and don't overwrite a "
"variable of the same name in the outer scope, nor are they visible after the "
"comprehension. Inlining does result in a few visible behavior changes:"
msgstr ""
#: whatsnew/3.12.rst:410
msgid ""
"There is no longer a separate frame for the comprehension in tracebacks, and "
"tracing/profiling no longer shows the comprehension as a function call."
msgstr ""
#: whatsnew/3.12.rst:412
msgid ""
"The :mod:`symtable` module will no longer produce child symbol tables for "
"each comprehension; instead, the comprehension's locals will be included in "
"the parent function's symbol table."
msgstr ""
#: whatsnew/3.12.rst:415
msgid ""
"Calling :func:`locals` inside a comprehension now includes variables from "
"outside the comprehension, and no longer includes the synthetic ``.0`` "
"variable for the comprehension \"argument\"."
msgstr ""
#: whatsnew/3.12.rst:418
msgid ""
"A comprehension iterating directly over ``locals()`` (e.g. ``[k for k in "
"locals()]``) may see \"RuntimeError: dictionary changed size during "
"iteration\" when run under tracing (e.g. code coverage measurement). This is "
"the same behavior already seen in e.g. ``for k in locals():``. To avoid the "
"error, first create a list of keys to iterate over: ``keys = list(locals()); "
"[k for k in keys]``."
msgstr ""
#: whatsnew/3.12.rst:425
msgid "(Contributed by Carl Meyer and Vladimir Matveev in :pep:`709`.)"
msgstr ""
#: whatsnew/3.12.rst:428
msgid "Improved Error Messages"
msgstr ""
#: whatsnew/3.12.rst:430
msgid ""
"Modules from the standard library are now potentially suggested as part of "
"the error messages displayed by the interpreter when a :exc:`NameError` is "
"raised to the top level. (Contributed by Pablo Galindo in :gh:`98254`.)"
msgstr ""
#: whatsnew/3.12.rst:439
msgid ""
"Improve the error suggestion for :exc:`NameError` exceptions for instances. "
"Now if a :exc:`NameError` is raised in a method and the instance has an "
"attribute that's exactly equal to the name in the exception, the suggestion "
"will include ``self.<NAME>`` instead of the closest match in the method "
"scope. (Contributed by Pablo Galindo in :gh:`99139`.)"
msgstr ""
#: whatsnew/3.12.rst:459
msgid ""
"Improve the :exc:`SyntaxError` error message when the user types ``import x "
"from y`` instead of ``from y import x``. (Contributed by Pablo Galindo in :"
"gh:`98931`.)"
msgstr ""
#: whatsnew/3.12.rst:469
msgid ""
":exc:`ImportError` exceptions raised from failed ``from <module> import "
"<name>`` statements now include suggestions for the value of ``<name>`` "
"based on the available names in ``<module>``. (Contributed by Pablo Galindo "
"in :gh:`91058`.)"
msgstr ""
#: whatsnew/3.12.rst:480
msgid "New Features Related to Type Hints"
msgstr ""
#: whatsnew/3.12.rst:482
msgid ""
"This section covers major changes affecting :pep:`type hints <484>` and the :"
"mod:`typing` module."
msgstr ""
#: whatsnew/3.12.rst:488
msgid "PEP 692: Using ``TypedDict`` for more precise ``**kwargs`` typing"
msgstr ""
#: whatsnew/3.12.rst:490
msgid ""
"Typing ``**kwargs`` in a function signature as introduced by :pep:`484` "
"allowed for valid annotations only in cases where all of the ``**kwargs`` "
"were of the same type."
msgstr ""
#: whatsnew/3.12.rst:494
msgid ""
":pep:`692` specifies a more precise way of typing ``**kwargs`` by relying on "
"typed dictionaries::"
msgstr ""
#: whatsnew/3.12.rst:497
msgid ""
"from typing import TypedDict, Unpack\n"
"\n"
"class Movie(TypedDict):\n"
" name: str\n"
" year: int\n"
"\n"
"def foo(**kwargs: Unpack[Movie]): ..."
msgstr ""
#: whatsnew/3.12.rst:505
msgid "See :pep:`692` for more details."
msgstr ""
#: whatsnew/3.12.rst:507
msgid "(Contributed by Franek Magiera in :gh:`103629`.)"
msgstr ""
#: whatsnew/3.12.rst:512
msgid "PEP 698: Override Decorator for Static Typing"
msgstr ""
#: whatsnew/3.12.rst:514
msgid ""
"A new decorator :func:`typing.override` has been added to the :mod:`typing` "
"module. It indicates to type checkers that the method is intended to "
"override a method in a superclass. This allows type checkers to catch "
"mistakes where a method that is intended to override something in a base "
"class does not in fact do so."
msgstr ""
#: whatsnew/3.12.rst:520
msgid "Example::"
msgstr ""
#: whatsnew/3.12.rst:522
msgid ""
"from typing import override\n"
"\n"
"class Base:\n"
" def get_color(self) -> str:\n"
" return \"blue\"\n"
"\n"
"class GoodChild(Base):\n"
" @override # ok: overrides Base.get_color\n"
" def get_color(self) -> str:\n"
" return \"yellow\"\n"
"\n"
"class BadChild(Base):\n"
" @override # type checker error: does not override Base.get_color\n"
" def get_colour(self) -> str:\n"
" return \"red\""
msgstr ""
#: whatsnew/3.12.rst:538
msgid "See :pep:`698` for more details."
msgstr ""
#: whatsnew/3.12.rst:540
msgid "(Contributed by Steven Troxler in :gh:`101561`.)"
msgstr ""
#: whatsnew/3.12.rst:543
msgid "Other Language Changes"
msgstr ""
#: whatsnew/3.12.rst:545
msgid ""
"The parser now raises :exc:`SyntaxError` when parsing source code containing "
"null bytes. (Contributed by Pablo Galindo in :gh:`96670`.)"
msgstr ""
#: whatsnew/3.12.rst:548
msgid ""
"A backslash-character pair that is not a valid escape sequence now generates "
"a :exc:`SyntaxWarning`, instead of :exc:`DeprecationWarning`. For example, "
"``re.compile(\"\\d+\\.\\d+\")`` now emits a :exc:`SyntaxWarning` "
"(``\"\\d\"`` is an invalid escape sequence, use raw strings for regular "
"expression: ``re.compile(r\"\\d+\\.\\d+\")``). In a future Python version, :"
"exc:`SyntaxError` will eventually be raised, instead of :exc:"
"`SyntaxWarning`. (Contributed by Victor Stinner in :gh:`98401`.)"
msgstr ""
#: whatsnew/3.12.rst:557
msgid ""
"Octal escapes with value larger than ``0o377`` (ex: ``\"\\477\"``), "
"deprecated in Python 3.11, now produce a :exc:`SyntaxWarning`, instead of :"
"exc:`DeprecationWarning`. In a future Python version they will be eventually "
"a :exc:`SyntaxError`. (Contributed by Victor Stinner in :gh:`98401`.)"
msgstr ""
#: whatsnew/3.12.rst:563
msgid ""
"Variables used in the target part of comprehensions that are not stored to "
"can now be used in assignment expressions (``:=``). For example, in ``[(b := "
"1) for a, b.prop in some_iter]``, the assignment to ``b`` is now allowed. "
"Note that assigning to variables stored to in the target part of "
"comprehensions (like ``a``) is still disallowed, as per :pep:`572`. "
"(Contributed by Nikita Sobolev in :gh:`100581`.)"
msgstr ""
#: whatsnew/3.12.rst:570
msgid ""
"Exceptions raised in a class or type's ``__set_name__`` method are no longer "
"wrapped by a :exc:`RuntimeError`. Context information is added to the "
"exception as a :pep:`678` note. (Contributed by Irit Katriel in :gh:`77757`.)"
msgstr ""
#: whatsnew/3.12.rst:574
msgid ""
"When a ``try-except*`` construct handles the entire :exc:`ExceptionGroup` "
"and raises one other exception, that exception is no longer wrapped in an :"
"exc:`ExceptionGroup`. Also changed in version 3.11.4. (Contributed by Irit "
"Katriel in :gh:`103590`.)"
msgstr ""
#: whatsnew/3.12.rst:579
msgid ""
"The Garbage Collector now runs only on the eval breaker mechanism of the "
"Python bytecode evaluation loop instead of object allocations. The GC can "
"also run when :c:func:`PyErr_CheckSignals` is called so C extensions that "
"need to run for a long time without executing any Python code also have a "
"chance to execute the GC periodically. (Contributed by Pablo Galindo in :gh:"
"`97922`.)"
msgstr ""
#: whatsnew/3.12.rst:586
msgid ""
"All builtin and extension callables expecting boolean parameters now accept "
"arguments of any type instead of just :class:`bool` and :class:`int`. "
"(Contributed by Serhiy Storchaka in :gh:`60203`.)"
msgstr ""
#: whatsnew/3.12.rst:590
msgid ""
":class:`memoryview` now supports the half-float type (the \"e\" format "
"code). (Contributed by Donghee Na and Antoine Pitrou in :gh:`90751`.)"
msgstr ""
#: whatsnew/3.12.rst:593
msgid ""
":class:`slice` objects are now hashable, allowing them to be used as dict "
"keys and set items. (Contributed by Will Bradshaw, Furkan Onder, and Raymond "
"Hettinger in :gh:`101264`.)"
msgstr ""
#: whatsnew/3.12.rst:596
msgid ""
":func:`sum` now uses Neumaier summation to improve accuracy and "
"commutativity when summing floats or mixed ints and floats. (Contributed by "
"Raymond Hettinger in :gh:`100425`.)"
msgstr ""
#: whatsnew/3.12.rst:600
msgid ""
":func:`ast.parse` now raises :exc:`SyntaxError` instead of :exc:`ValueError` "
"when parsing source code containing null bytes. (Contributed by Pablo "
"Galindo in :gh:`96670`.)"
msgstr ""
#: whatsnew/3.12.rst:604
msgid ""
"The extraction methods in :mod:`tarfile`, and :func:`shutil.unpack_archive`, "
"have a new a *filter* argument that allows limiting tar features than may be "
"surprising or dangerous, such as creating files outside the destination "
"directory. See :ref:`tarfile extraction filters <tarfile-extraction-filter>` "
"for details. In Python 3.14, the default will switch to ``'data'``. "
"(Contributed by Petr Viktorin in :pep:`706`.)"
msgstr ""
#: whatsnew/3.12.rst:612
msgid ""
":class:`types.MappingProxyType` instances are now hashable if the underlying "
"mapping is hashable. (Contributed by Serhiy Storchaka in :gh:`87995`.)"
msgstr ""
#: whatsnew/3.12.rst:616
msgid ""
"Add :ref:`support for the perf profiler <perf_profiling>` through the new "
"environment variable :envvar:`PYTHONPERFSUPPORT` and command-line option :"
"option:`-X perf <-X>`, as well as the new :func:`sys."
"activate_stack_trampoline`, :func:`sys.deactivate_stack_trampoline`, and :"
"func:`sys.is_stack_trampoline_active` functions. (Design by Pablo Galindo. "
"Contributed by Pablo Galindo and Christian Heimes with contributions from "
"Gregory P. Smith [Google] and Mark Shannon in :gh:`96123`.)"
msgstr ""
#: whatsnew/3.12.rst:628
msgid "New Modules"
msgstr ""
#: whatsnew/3.12.rst:630
msgid "None."
msgstr ""
#: whatsnew/3.12.rst:634
msgid "Improved Modules"
msgstr ""
#: whatsnew/3.12.rst:637
msgid "array"
msgstr ""
#: whatsnew/3.12.rst:639
msgid ""
"The :class:`array.array` class now supports subscripting, making it a :term:"
"`generic type`. (Contributed by Jelle Zijlstra in :gh:`98658`.)"
msgstr ""
#: whatsnew/3.12.rst:643
msgid "asyncio"
msgstr ""
#: whatsnew/3.12.rst:645
msgid ""
"The performance of writing to sockets in :mod:`asyncio` has been "
"significantly improved. ``asyncio`` now avoids unnecessary copying when "
"writing to sockets and uses :meth:`~socket.socket.sendmsg` if the platform "
"supports it. (Contributed by Kumar Aditya in :gh:`91166`.)"
msgstr ""
#: whatsnew/3.12.rst:650
msgid ""
"Add :func:`asyncio.eager_task_factory` and :func:`asyncio."
"create_eager_task_factory` functions to allow opting an event loop in to "
"eager task execution, making some use-cases 2x to 5x faster. (Contributed by "
"Jacob Bower & Itamar Oren in :gh:`102853`, :gh:`104140`, and :gh:`104138`)"
msgstr ""
#: whatsnew/3.12.rst:655
msgid ""
"On Linux, :mod:`asyncio` uses :class:`!asyncio.PidfdChildWatcher` by default "
"if :func:`os.pidfd_open` is available and functional instead of :class:`!"
"asyncio.ThreadedChildWatcher`. (Contributed by Kumar Aditya in :gh:`98024`.)"
msgstr ""
#: whatsnew/3.12.rst:660
msgid ""
"The event loop now uses the best available child watcher for each platform (:"
"class:`!asyncio.PidfdChildWatcher` if supported and :class:`!asyncio."
"ThreadedChildWatcher` otherwise), so manually configuring a child watcher is "
"not recommended. (Contributed by Kumar Aditya in :gh:`94597`.)"
msgstr ""
#: whatsnew/3.12.rst:666
msgid ""
"Add *loop_factory* parameter to :func:`asyncio.run` to allow specifying a "
"custom event loop factory. (Contributed by Kumar Aditya in :gh:`99388`.)"
msgstr ""
#: whatsnew/3.12.rst:670
msgid ""
"Add C implementation of :func:`asyncio.current_task` for 4x-6x speedup. "
"(Contributed by Itamar Oren and Pranav Thulasiram Bhat in :gh:`100344`.)"
msgstr ""
#: whatsnew/3.12.rst:673
msgid ""
":func:`asyncio.iscoroutine` now returns ``False`` for generators as :mod:"
"`asyncio` does not support legacy generator-based coroutines. (Contributed "
"by Kumar Aditya in :gh:`102748`.)"
msgstr ""
#: whatsnew/3.12.rst:677
msgid ""
":func:`asyncio.wait` and :func:`asyncio.as_completed` now accepts generators "
"yielding tasks. (Contributed by Kumar Aditya in :gh:`78530`.)"
msgstr ""
#: whatsnew/3.12.rst:682
msgid "calendar"
msgstr ""
#: whatsnew/3.12.rst:684
msgid ""
"Add enums :data:`calendar.Month` and :data:`calendar.Day` defining months of "
"the year and days of the week. (Contributed by Prince Roshan in :gh:"
"`103636`.)"
msgstr ""
#: whatsnew/3.12.rst:689
msgid "csv"
msgstr ""
#: whatsnew/3.12.rst:691
msgid ""
"Add :const:`csv.QUOTE_NOTNULL` and :const:`csv.QUOTE_STRINGS` flags to "
"provide finer grained control of ``None`` and empty strings by :class:`~csv."
"reader` and :class:`~csv.writer` objects."
msgstr ""
#: whatsnew/3.12.rst:696
msgid "dis"
msgstr ""
#: whatsnew/3.12.rst:698
msgid ""
"Pseudo instruction opcodes (which are used by the compiler but do not appear "
"in executable bytecode) are now exposed in the :mod:`dis` module. :opcode:"
"`HAVE_ARGUMENT` is still relevant to real opcodes, but it is not useful for "
"pseudo instructions. Use the new :data:`dis.hasarg` collection instead. "
"(Contributed by Irit Katriel in :gh:`94216`.)"
msgstr ""
#: whatsnew/3.12.rst:706
msgid ""
"Add the :data:`dis.hasexc` collection to signify instructions that set an "
"exception handler. (Contributed by Irit Katriel in :gh:`94216`.)"
msgstr ""
#: whatsnew/3.12.rst:710
msgid "fractions"
msgstr ""
#: whatsnew/3.12.rst:712
msgid ""
"Objects of type :class:`fractions.Fraction` now support float-style "
"formatting. (Contributed by Mark Dickinson in :gh:`100161`.)"
msgstr ""
#: whatsnew/3.12.rst:716
msgid "importlib.resources"
msgstr ""
#: whatsnew/3.12.rst:718
msgid ""
":func:`importlib.resources.as_file` now supports resource directories. "
"(Contributed by Jason R. Coombs in :gh:`97930`.)"
msgstr ""
#: whatsnew/3.12.rst:721
msgid ""
"Rename first parameter of :func:`importlib.resources.files` to *anchor*. "
"(Contributed by Jason R. Coombs in :gh:`100598`.)"
msgstr ""
#: whatsnew/3.12.rst:725
msgid "inspect"
msgstr ""
#: whatsnew/3.12.rst:727