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# SOME DESCRIPTIVE TITLE.
# Copyright (C) 2001 Python Software Foundation
# This file is distributed under the same license as the Python package.
# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
#
# Translators:
# TANIGUCHI Taichi, 2025
# Takanori Suzuki <takanori@takanory.net>, 2025
# Inada Naoki <songofacandy@gmail.com>, 2026
# Cheesecake, 2026
# python-doc bot, 2026
# qqfunc, 2026
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: Python 3.15\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2026-09-11 17:24+0000\n"
"PO-Revision-Date: 2025-09-16 00:02+0000\n"
"Last-Translator: qqfunc, 2026\n"
"Language-Team: Japanese (https://app.transifex.com/python-doc/teams/5390/"
"ja/)\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Language: ja\n"
"Plural-Forms: nplurals=1; plural=0;\n"
#: ../../whatsnew/3.13.rst:4
msgid "What's New In Python 3.13"
msgstr "What's New In Python 3.13"
#: ../../whatsnew/3.13.rst:0
msgid "Editors"
msgstr "エディタ"
#: ../../whatsnew/3.13.rst:6
msgid "Adam Turner and Thomas Wouters"
msgstr "Adam Turner と Thomas Wouters"
#: ../../whatsnew/3.13.rst:48
msgid ""
"This article explains the new features in Python 3.13, compared to 3.12. "
"Python 3.13 was released on October 7, 2024. For full details, see the :ref:"
"`changelog <changelog>`."
msgstr ""
"この記事では Python 3.12 と比較した Python 3.13 の新機能を解説します。Python "
"3.13 は2024年10月7日にリリースされました。全詳細については :ref:`変更履歴 "
"<changelog>` をご覧ください。"
#: ../../whatsnew/3.13.rst:54
msgid ":pep:`719` -- Python 3.13 Release Schedule"
msgstr ":pep:`719` -- Python 3.13 リリーススケジュール"
#: ../../whatsnew/3.13.rst:58
msgid "Summary -- Release Highlights"
msgstr "概要 -- リリースハイライト"
#: ../../whatsnew/3.13.rst:63
msgid ""
"Python 3.13 is a stable release of the Python programming language, with a "
"mix of changes to the language, the implementation and the standard library. "
"The biggest changes include a new `interactive interpreter <whatsnew313-"
"better-interactive-interpreter_>`_, experimental support for running in a "
"`free-threaded mode <whatsnew313-free-threaded-cpython_>`_ (:pep:`703`), and "
"a `Just-In-Time compiler <whatsnew313-jit-compiler_>`_ (:pep:`744`)."
msgstr ""
"Python 3.13 はプログラミング言語 Python の安定版のリリースです。言語自体への"
"変更や、実装、標準ライブラリのアップデートが含まれます。一番大きな変更点は、"
"新しい `対話型インタープリタ <whatsnew313-better-interactive-"
"interpreter_>`_ 、 `フリースレッドモード <whatsnew313-free-threaded-"
"cpython_>`_ (:pep:`703`) 実行の実験的なサポート、 `Just-In-Time コンパイラ "
"<whatsnew313-jit-compiler_>`_ (:pep:`744`) です。"
#: ../../whatsnew/3.13.rst:72
msgid ""
"Error messages continue to improve, with tracebacks now highlighted in color "
"by default. The :func:`locals` builtin now has :ref:`defined semantics "
"<whatsnew313-locals-semantics>` for changing the returned mapping, and type "
"parameters now support default values."
msgstr ""
"エラーメッセージも引き続き改善され、トレースバックがデフォルトで色付き表示に"
"なりました。また、組み込み関数 :func:`locals` の戻り値のマッピングに変更を加"
"えた際の :ref:`セマンティクスの定義 <whatsnew313-locals-semantics>` が追加さ"
"れました。他にも、型引数がデフォルト値をサポートするようになりました。"
#: ../../whatsnew/3.13.rst:77
msgid ""
"The library changes contain removal of deprecated APIs and modules, as well "
"as the usual improvements in user-friendliness and correctness. Several "
"legacy standard library modules have now `been removed <whatsnew313-"
"pep594_>`_ following their deprecation in Python 3.11 (:pep:`594`)."
msgstr ""
"ライブラリの変更点としては、非推奨 API ・モジュールの削除や、従来通り使いやす"
"さの改善・バグ修正も行いました。Python 3.11 の廃止に伴い、レガシー標準ライブ"
"ラリモジュールもいくつか `削除されました <whatsnew313-pep594_>`_ (:pep:"
"`594`) 。"
#: ../../whatsnew/3.13.rst:82
msgid ""
"This article doesn't attempt to provide a complete specification of all new "
"features, but instead gives a convenient overview. For full details refer to "
"the documentation, such as the :ref:`Library Reference <library-index>` and :"
"ref:`Language Reference <reference-index>`. 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. See `Porting to Python 3.13`_ for "
"guidance on upgrading from earlier versions of Python."
msgstr ""
"本記事は、全ての新機能の仕様をを網羅的に説明する代わりに、分かりやすく概要を"
"説明するものとなっています。詳細については :ref:`ライブラリリファレンス "
"<library-index>` や :ref:`言語レファレンス <reference-index>` などを参照して"
"ください。各変更点の実装や設計の理由を網羅的に理解したい方は、該当の PEP を参"
"照してください。ただし、 PEP は機能が実装されたあとは Python の最新バージョン"
"に合わせて更新されないことが多いので注意してください。Python を以前のバージョ"
"ンからアップグレードする際の注意点は `Porting to Python 3.13`_ を参照してくだ"
"さい。"
#: ../../whatsnew/3.13.rst:98
msgid "Interpreter improvements:"
msgstr "インタープリタの改善点:"
#: ../../whatsnew/3.13.rst:100
msgid ""
"A greatly improved :ref:`interactive interpreter <whatsnew313-better-"
"interactive-interpreter>` and :ref:`improved error messages <whatsnew313-"
"improved-error-messages>`."
msgstr ""
":ref:`対話的インタープリタ <whatsnew313-better-interactive-interpreter>` の大"
"幅改善と :ref:`エラーメッセージの改善 <whatsnew313-improved-error-"
"messages>` 。"
#: ../../whatsnew/3.13.rst:103
msgid ""
":pep:`667`: The :func:`locals` builtin now has :ref:`defined semantics "
"<whatsnew313-locals-semantics>` when mutating the returned mapping. Python "
"debuggers and similar tools may now more reliably update local variables in "
"optimized scopes even during concurrent code execution."
msgstr ""
":pep:`667`: 組み込み関数 :func:`locals` の戻り値のマッピングに変更を加えた際"
"の :ref:`セマンティクスの定義 <whatsnew313-locals-semantics>` が言語仕様に追"
"加されました。これにより、Python デバッガーなどのツールが最適化されたスコープ"
"内のローカル変数を更新する際、たとえ並行処理だとしても、確実に更新することが"
"できるようになります。"
#: ../../whatsnew/3.13.rst:108
msgid ""
":pep:`703`: CPython 3.13 has experimental support for running with the :term:"
"`global interpreter lock` disabled. See :ref:`Free-threaded CPython "
"<whatsnew313-free-threaded-cpython>` for more details."
msgstr ""
":pep:`703`: CPython 3.13 では :term:`global interpreter lock` を無効化した状"
"態で実行する機能が実験的に追加されています。詳細は :ref:`フリースレッドの "
"CPython <whatsnew313-free-threaded-cpython>` を参照してください。"
#: ../../whatsnew/3.13.rst:111
msgid ""
":pep:`744`: A basic :ref:`JIT compiler <whatsnew313-jit-compiler>` was "
"added. It is currently disabled by default (though we may turn it on later). "
"Performance improvements are modest -- we expect to improve this over the "
"next few releases."
msgstr ""
":pep:`744`: 簡易的な :ref:`JIT コンパイラ <whatsnew313-jit-compiler>` が追加"
"されました。現在、デフォルトでは無効になっています (が、今後有効になる可能性"
"があります)。これによるパフォーマンスの向上は軽度ですが、以降のリリースで改善"
"される見込みです。"
#: ../../whatsnew/3.13.rst:115
msgid ""
"Color support in the new :ref:`interactive interpreter <whatsnew313-better-"
"interactive-interpreter>`, as well as in :ref:`tracebacks <whatsnew313-"
"improved-error-messages>` and :ref:`doctest <whatsnew313-doctest>` output. "
"This can be disabled through the :envvar:`PYTHON_COLORS` and |NO_COLOR|_ "
"environment variables."
msgstr ""
"新しい :ref:`対話的インタープリタ <whatsnew313-better-interactive-"
"interpreter>` や :ref:`トレースバック <whatsnew313-improved-error-"
"messages>` 、 :ref:`doctest <whatsnew313-doctest>` の出力において色付き文字に"
"対応しました。この機能は環境変数 :envvar:`PYTHON_COLORS` または |NO_COLOR|_ "
"で無効化できます。"
#: ../../whatsnew/3.13.rst:122
msgid "Python data model improvements:"
msgstr "Python のデータモデルの改善点:"
#: ../../whatsnew/3.13.rst:124
msgid ""
":attr:`~type.__static_attributes__` stores the names of attributes accessed "
"through ``self.X`` in any function in a class body."
msgstr ""
"クラスのボディ内の関数で ``self.X`` という形でアクセスされる属性がすべて :"
"attr:`~type.__static_attributes__` に格納されるようになりました。"
#: ../../whatsnew/3.13.rst:126
msgid ""
":attr:`~type.__firstlineno__` records the first line number of a class "
"definition."
msgstr ""
"クラス定義の最初の行の行番号が :attr:`~type.__firstlineno__` に格納されるよう"
"になりました。"
#: ../../whatsnew/3.13.rst:129
msgid "Significant improvements in the standard library:"
msgstr "標準ライブラリーの顕著な改善点:"
#: ../../whatsnew/3.13.rst:131
msgid ""
"Add a new :exc:`PythonFinalizationError` exception, raised when an operation "
"is blocked during :term:`finalization <interpreter shutdown>`."
msgstr ""
"Python の :term:`終了処理 <interpreter shutdown>` において処理がブロックされ"
"ているときに発生する新しい例外 :exc:`PythonFinalizationError` が追加されまし"
"た。"
#: ../../whatsnew/3.13.rst:133
msgid ""
"The :mod:`argparse` module now supports deprecating command-line options, "
"positional arguments, and subcommands."
msgstr ""
":mod:`argparse` モジュールでコマンドラインオプションや位置引数、サブコマンド"
"を非推奨として指定する機能が追加されました。"
#: ../../whatsnew/3.13.rst:135
msgid ""
"The new functions :func:`base64.z85encode` and :func:`base64.z85decode` "
"support encoding and decoding `Z85 data`_."
msgstr ""
"`Z85 data`_ のエンコード・デコードを行う関数 :func:`base64.z85encode` と :"
"func:`base64.z85decode` が追加されました。"
#: ../../whatsnew/3.13.rst:137
msgid ""
"The :mod:`copy` module now has a :func:`copy.replace` function, with support "
"for many builtin types and any class defining the :func:`~object."
"__replace__` method."
msgstr ""
"多くの組み込み型や :func:`~object.__replace__` メソッドを定義している任意のク"
"ラスに対して使用できる関数 :func:`copy.replace` が :mod:`copy` モジュールに追"
"加されました。"
#: ../../whatsnew/3.13.rst:140
msgid ""
"The new :mod:`dbm.sqlite3` module is now the default :mod:`dbm` backend."
msgstr ""
":mod:`dbm.sqlite3` モジュールが追加され、 :mod:`dbm` のデフォルトのバックエン"
"ドがこれに変更されました。"
#: ../../whatsnew/3.13.rst:141
msgid ""
"The :mod:`os` module has a :ref:`suite of new functions <os-timerfd>` for "
"working with Linux's timer notification file descriptors."
msgstr ""
"Linux のタイマー通知機能をもつファイル記述子を扱うための :ref:`様々な関数 "
"<os-timerfd>` が :mod:`os` モジュールに追加されました。"
#: ../../whatsnew/3.13.rst:143
msgid ""
"The :mod:`random` module now has a :ref:`command-line interface <random-"
"cli>`."
msgstr ""
":mod:`random` モジュールが :ref:`コマンドラインインターフェース <random-"
"cli>` を持つようになりました。"
#: ../../whatsnew/3.13.rst:145
msgid "Security improvements:"
msgstr "セキュリティの改善点:"
#: ../../whatsnew/3.13.rst:147
msgid ""
":func:`ssl.create_default_context` sets :data:`ssl."
"VERIFY_X509_PARTIAL_CHAIN` and :data:`ssl.VERIFY_X509_STRICT` as default "
"flags."
msgstr ""
":func:`ssl.create_default_context` がデフォルトのフラグとして :data:`ssl."
"VERIFY_X509_PARTIAL_CHAIN` と:data:`ssl.VERIFY_X509_STRICT` をセットするよう"
"になりました。"
#: ../../whatsnew/3.13.rst:150
msgid "C API improvements:"
msgstr "C API の改善点:"
#: ../../whatsnew/3.13.rst:152
msgid ""
"The :c:data:`Py_mod_gil` slot is now used to indicate that an extension "
"module supports running with the :term:`GIL` disabled."
msgstr ""
":c:data:`Py_mod_gil` スロットは、拡張モジュールが :term:`GIL` を無効化した状"
"態での実行をサポート"
#: ../../whatsnew/3.13.rst:154
msgid ""
"The :doc:`PyTime C API </c-api/time>` has been added, providing access to "
"system clocks."
msgstr ""
":doc:`PyTime C API </c-api/time>` が追加され、システムクロックへのアクセスが"
"提供されるようになりました。"
#: ../../whatsnew/3.13.rst:156
msgid ""
":c:type:`PyMutex` is a new lightweight mutex that occupies a single byte."
msgstr ""
":c:type:`PyMutex` は1バイトのみを占有する新しい軽量ミューテックスとなりまし"
"た。"
#: ../../whatsnew/3.13.rst:157
msgid ""
"There is a new :ref:`suite of functions <c-api-monitoring>` for generating :"
"pep:`669` monitoring events in the C API."
msgstr ""
"新しい :ref:`関数群 <c-api-monitoring>` が、C API において :pep:`669` の監視"
"イベントを生成するために追加されました。"
#: ../../whatsnew/3.13.rst:160
msgid "New typing features:"
msgstr "新しい型ヒントの機能:"
#: ../../whatsnew/3.13.rst:162
msgid ""
":pep:`696`: Type parameters (:data:`typing.TypeVar`, :data:`typing."
"ParamSpec`, and :data:`typing.TypeVarTuple`) now support defaults."
msgstr ""
":pep:`696`: 型引数（:data:`typing.TypeVar`、:data:`typing.ParamSpec`、:data:"
"`typing.TypeVarTuple`）をデフォルトでサポートします。 "
#: ../../whatsnew/3.13.rst:164
msgid ""
":pep:`702`: The new :func:`warnings.deprecated` decorator adds support for "
"marking deprecations in the type system and at runtime."
msgstr ""
":pep:`702`: 新たに追加された :func:`warnings.deprecated` デコレータは、型シス"
"テムおよび実行時における非推奨のマーク付けをサポートします。"
#: ../../whatsnew/3.13.rst:166
msgid ""
":pep:`705`: :data:`typing.ReadOnly` can be used to mark an item of a :class:"
"`typing.TypedDict` as read-only for type checkers."
msgstr ""
":pep:`705`: :data:`typing.ReadOnly` は、型チェッカーに対して :class:`typing."
"TypedDict` の項目を読み取り専用としてマークするために使用できます。"
#: ../../whatsnew/3.13.rst:168
msgid ""
":pep:`742`: :data:`typing.TypeIs` provides more intuitive type narrowing "
"behavior, as an alternative to :data:`typing.TypeGuard`."
msgstr ""
":pep:`742`: :data:`typing.TypeIs` は、:data:`typing.TypeGuard` の代替として、"
"より直感的な型の絞り込みの挙動を提供します。"
#: ../../whatsnew/3.13.rst:171
msgid "Platform support:"
msgstr "プラットフォームのサポート:"
#: ../../whatsnew/3.13.rst:173
msgid ""
":pep:`730`: Apple's iOS is now an :ref:`officially supported platform "
"<whatsnew313-platform-support>`, at :pep:`tier 3 <11#tier-3>`."
msgstr ""
":pep:`730`: Apple の iOS が :pep:`tier 3 <11#tier-3>` として :ref:`公式にサ"
"ポートされるプラットフォーム <whatsnew313-platform-support>` となりました。"
#: ../../whatsnew/3.13.rst:175
msgid ""
":pep:`738`: Android is now an :ref:`officially supported platform "
"<whatsnew313-platform-support>`, at :pep:`tier 3 <11#tier-3>`."
msgstr ""
":pep:`738` : Android が :pep:`tier 3 <11#tier-3>` として :ref:`公式にサポート"
"されるプラットフォーム <whatsnew313-platform-support>` となりました。"
#: ../../whatsnew/3.13.rst:177
msgid ""
"``wasm32-wasi`` is now supported as a :pep:`tier 2 <11#tier-2>` platform."
msgstr ""
"``wasm32-wasi`` :pep:`tier 2 <11#tier-2>` プラットフォームとしてサポートされ"
"るようになりました。"
#: ../../whatsnew/3.13.rst:178
msgid "``wasm32-emscripten`` is no longer an officially supported platform."
msgstr ""
"``wasm32-emscripten`` が公式にサポートされるプラットフォームではなくなりまし"
"た。"
#: ../../whatsnew/3.13.rst:180
msgid "Important removals:"
msgstr "重要な削除"
#: ../../whatsnew/3.13.rst:182
msgid ""
":ref:`PEP 594 <whatsnew313-pep594>`: The remaining 19 \"dead "
"batteries\" (legacy stdlib modules) have been removed from the standard "
"library: :mod:`!aifc`, :mod:`!audioop`, :mod:`!cgi`, :mod:`!cgitb`, :mod:`!"
"chunk`, :mod:`!crypt`, :mod:`!imghdr`, :mod:`!mailcap`, :mod:`!msilib`, :mod:"
"`!nis`, :mod:`!nntplib`, :mod:`!ossaudiodev`, :mod:`!pipes`, :mod:`!"
"sndhdr`, :mod:`!spwd`, :mod:`!sunau`, :mod:`!telnetlib`, :mod:`!uu` and :mod:"
"`!xdrlib`."
msgstr ""
":ref:`PEP 594 <whatsnew313-pep594>`: 残っていた 19 個の「不要なバッテリー」"
"（旧式の標準ライブラリモジュール）が標準ライブラリから削除されました。削除さ"
"れたモジュールは次のとおりです: :mod:`!aifc`、:mod:`!audioop`、:mod:`!cgi`、:"
"mod:`!cgitb`、:mod:`!chunk`、:mod:`!crypt`、:mod:`!imghdr`、:mod:`!"
"mailcap`、:mod:`!msilib`、:mod:`!nis`、:mod:`!nntplib`、:mod:`!"
"ossaudiodev`、:mod:`!pipes`、:mod:`!sndhdr`、:mod:`!spwd`、:mod:`!sunau`、:"
"mod:`!telnetlib`、:mod:`!uu`、:mod:`!xdrlib`。"
#: ../../whatsnew/3.13.rst:188
msgid ""
"Remove the :program:`2to3` tool and :mod:`!lib2to3` module (deprecated in "
"Python 3.11)."
msgstr ""
":program:`2to3` ツールと :mod:`!lib2to3` モジュールが削除されました（ Python "
"3.11 で非推奨となりました）"
#: ../../whatsnew/3.13.rst:190
msgid "Remove the :mod:`!tkinter.tix` module (deprecated in Python 3.6)."
msgstr ""
":mod:`!tkinter.tix` モジュールが削除されました（ Python 3.6 で非推奨でした）"
#: ../../whatsnew/3.13.rst:191
msgid "Remove the :func:`!locale.resetlocale` function."
msgstr ":func:`!locale.resetlocale` 機能が削除されました。"
#: ../../whatsnew/3.13.rst:192
msgid "Remove the :mod:`!typing.io` and :mod:`!typing.re` namespaces."
msgstr ":mod:`!typing.io` と :mod:`!typing.re` 名前空間が削除されました。"
#: ../../whatsnew/3.13.rst:193
msgid "Remove chained :class:`classmethod` descriptors."
msgstr "連鎖した :class:`classmethod` デスクリプタが削除されました。"
#: ../../whatsnew/3.13.rst:195
msgid "Release schedule changes:"
msgstr "リリーススケジュールの変更:"
#: ../../whatsnew/3.13.rst:197
msgid ""
":pep:`602` (\"Annual Release Cycle for Python\") has been updated to extend "
"the full support ('bugfix') period for new releases to two years. This "
"updated policy means that:"
msgstr ""
":pep:`602` （「Python の年間リリースサイクル」）が更新され、新しいリリースの"
"完全サポート（バグ修正）期間が 2 年に延長されました。この更新されたポリシーに"
"より、次のような変更が適用されます:"
#: ../../whatsnew/3.13.rst:201
msgid ""
"Python 3.9--3.12 have one and a half years of full support, followed by "
"three and a half years of security fixes."
msgstr ""
"Python 3.9--3.12 は1年半のフルサポート期間ののち、3年半のセキュリティ修正期間"
"となります。"
#: ../../whatsnew/3.13.rst:203
msgid ""
"Python 3.13 and later have two years of full support, followed by three "
"years of security fixes."
msgstr ""
"Python 3.13 以降のバージョンでは2年間のフルサポート期間、その後3年間のセキュ"
"リティ修正期間となります。"
#: ../../whatsnew/3.13.rst:208 ../../whatsnew/3.13.rst:2050
msgid "New Features"
msgstr "新しい機能"
#: ../../whatsnew/3.13.rst:214
msgid "A better interactive interpreter"
msgstr "改善された対話的インタープリタ"
#: ../../whatsnew/3.13.rst:216
msgid ""
"Python now uses a new :term:`interactive` shell by default, based on code "
"from the `PyPy project`_. When the user starts the :term:`REPL` from an "
"interactive terminal, the following new features are now supported:"
msgstr ""
"`PyPy project`_ のコードをベースに作られた新しい Python :term:`interactive` "
"シェルがデフォルトで使われるようになりました。これからは、ターミナル上で :"
"term:`REPL` を起動すると、以下の機能が使えます:"
#: ../../whatsnew/3.13.rst:221
msgid "Multiline editing with history preservation."
msgstr "複数行の編集。履歴機能もサポート。"
#: ../../whatsnew/3.13.rst:222
msgid ""
"Direct support for REPL-specific commands like :kbd:`help`, :kbd:`exit`, "
"and :kbd:`quit`, without the need to call them as functions."
msgstr ""
":kbd:`help` や :kbd:`exit` 、 :kbd:`quit` といったREPL 固有のコマンドが直接"
"サポートされるようになり、関数として呼び出す必要がなくなりました。"
#: ../../whatsnew/3.13.rst:224
msgid ""
"Prompts and tracebacks with :ref:`color enabled by default <using-on-"
"controlling-color>`."
msgstr ""
"デフォルトでプロンプトやトレースバックが :ref:`色付きで表示 <using-on-"
"controlling-color>` されるようになりました。"
#: ../../whatsnew/3.13.rst:226
msgid ""
"Interactive help browsing using :kbd:`F1` with a separate command history."
msgstr ""
"インタラクティブなヘルプが :kbd:`F1` で閲覧できるようになり、REPLとは別にコマ"
"ンド履歴が記録されるようになりました。"
#: ../../whatsnew/3.13.rst:228
msgid ""
"History browsing using :kbd:`F2` that skips output as well as the :term:"
"`>>>` and :term:`...` prompts."
msgstr ""
":kbd:`F2` で履歴を閲覧できるようになりました。出力や プロンプト内の :term:"
"`>>>` と :term:`...` は表示されません。"
#: ../../whatsnew/3.13.rst:230
msgid ""
"\"Paste mode\" with :kbd:`F3` that makes pasting larger blocks of code "
"easier (press :kbd:`F3` again to return to the regular prompt)."
msgstr ""
":kbd:`F3` で「ペーストモード」に切り替え、長いコードブロックをより簡単に貼り"
"付けることができるようになりました (:kbd:`F3` をもう一度押すことで通常のプロ"
"ンプトに戻ることができます)。"
#: ../../whatsnew/3.13.rst:233
msgid ""
"To disable the new interactive shell, set the :envvar:`PYTHON_BASIC_REPL` "
"environment variable. For more on interactive mode, see :ref:`tut-interac`."
msgstr ""
"新しいインタラクティブシェルを無効化するには、環境変数 :envvar:"
"`PYTHON_BASIC_REPL` をセットします。インタラクティブモードの詳細については :"
"ref:`tut-interac` を参照してください。"
#: ../../whatsnew/3.13.rst:237
msgid ""
"(Contributed by Pablo Galindo Salgado, Łukasz Langa, and Lysandros Nikolaou "
"in :gh:`111201` based on code from the PyPy project. Windows support "
"contributed by Dino Viehland and Anthony Shaw.)"
msgstr ""
"（:gh:`111201` の Pablo Galindo Salgado, Łukasz Langa, and Lysandros "
"Nikolaou らの PyPy プロジェクトのコードに基づく貢献。 Windows へのサポートは "
"Dino Viehland, Anthony Shaw らによる貢献。）"
#: ../../whatsnew/3.13.rst:247
msgid "Improved error messages"
msgstr "エラーメッセージの改善"
#: ../../whatsnew/3.13.rst:249
msgid ""
"The interpreter now uses color by default when displaying tracebacks in the "
"terminal. This feature :ref:`can be controlled <using-on-controlling-color>` "
"via the new :envvar:`PYTHON_COLORS` environment variable as well as the "
"canonical |NO_COLOR|_ and |FORCE_COLOR|_ environment variables. (Contributed "
"by Pablo Galindo Salgado in :gh:`112730`.)"
msgstr ""
"インタープリタは、端末にトレースバックを表示する際に デフォルトでカラー表示を"
"使用するようになりました。この機能は、新たに導入された :envvar:"
"`PYTHON_COLORS` 環境変数、および標準の |NO_COLOR|_ と |FORCE_COLOR|_ 環境変数"
"を通じて :ref:`制御できます <using-on-controlling-color>`。（この機能は "
"Pablo Galindo Salgado により、:gh:`112730` にて貢献されました。）"
#: ../../whatsnew/3.13.rst:255
msgid ""
"A common mistake is to write a script with the same name as a standard "
"library module. When this results in errors, we now display a more helpful "
"error message:"
msgstr ""
"よくある間違いとして、標準ライブラリのモジュールと同じ名前のスクリプトを作成"
"してしまうことがあります。その結果エラーが発生した場合、Python はこれまでより"
"わかりやすいエラーメッセージを表示するようになりました:"
#: ../../whatsnew/3.13.rst:259
msgid ""
"$ python random.py\n"
"Traceback (most recent call last):\n"
" File \"/home/me/random.py\", line 1, in <module>\n"
" import random\n"
" File \"/home/me/random.py\", line 3, in <module>\n"
" print(random.randint(5))\n"
" ^^^^^^^^^^^^^^\n"
"AttributeError: module 'random' has no attribute 'randint' (consider "
"renaming '/home/me/random.py' since it has the same name as the standard "
"library module named 'random' and prevents importing that standard library "
"module)"
msgstr ""
"$ python random.py\n"
"Traceback (most recent call last):\n"
" File \"/home/me/random.py\", line 1, in <module>\n"
" import random\n"
" File \"/home/me/random.py\", line 3, in <module>\n"
" print(random.randint(5))\n"
" ^^^^^^^^^^^^^^\n"
"AttributeError: module 'random' has no attribute 'randint' (consider "
"renaming '/home/me/random.py' since it has the same name as the standard "
"library module named 'random' and prevents importing that standard library "
"module)"
#: ../../whatsnew/3.13.rst:270
msgid ""
"Similarly, if a script has the same name as a third-party module that it "
"attempts to import and this results in errors, we also display a more "
"helpful error message:"
msgstr ""
"同様に、スクリプトがインポートしようとするサードパーティ製モジュールと同じ名"
"前を持ち、それによってエラーが発生した場合にも、Python はよりわかりやすいエ"
"ラーメッセージを表示するようになりました:"
#: ../../whatsnew/3.13.rst:274
msgid ""
"$ python numpy.py\n"
"Traceback (most recent call last):\n"
" File \"/home/me/numpy.py\", line 1, in <module>\n"
" import numpy as np\n"
" File \"/home/me/numpy.py\", line 3, in <module>\n"
" np.array([1, 2, 3])\n"
" ^^^^^^^^\n"
"AttributeError: module 'numpy' has no attribute 'array' (consider renaming '/"
"home/me/numpy.py' if it has the same name as a library you intended to "
"import)"
msgstr ""
"$ python numpy.py\n"
"Traceback (most recent call last):\n"
" File \"/home/me/numpy.py\", line 1, in <module>\n"
" import numpy as np\n"
" File \"/home/me/numpy.py\", line 3, in <module>\n"
" np.array([1, 2, 3])\n"
" ^^^^^^^^\n"
"AttributeError: module 'numpy' has no attribute 'array' (consider renaming '/"
"home/me/numpy.py' if it has the same name as a library you intended to "
"import)"
#: ../../whatsnew/3.13.rst:285
msgid "(Contributed by Shantanu Jain in :gh:`95754`.)"
msgstr "(Shantanu Jain による :gh:`95754` での貢献)"
#: ../../whatsnew/3.13.rst:287
msgid ""
"The error message now tries to suggest the correct keyword argument when an "
"incorrect keyword argument is passed to a function."
msgstr ""
"エラーメッセージは、関数に誤ったキーワード引数が渡された場合に、正しいキー"
"ワード引数を提案するようになりました:"
#: ../../whatsnew/3.13.rst:290
msgid ""
">>> \"Better error messages!\".split(max_split=1)\n"
"Traceback (most recent call last):\n"
" File \"<python-input-0>\", line 1, in <module>\n"
" \"Better error messages!\".split(max_split=1)\n"
" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^\n"
"TypeError: split() got an unexpected keyword argument 'max_split'. Did you "
"mean 'maxsplit'?"
msgstr ""
">>> \"Better error messages!\".split(max_split=1)\n"
"Traceback (most recent call last):\n"
" File \"<python-input-0>\", line 1, in <module>\n"
" \"Better error messages!\".split(max_split=1)\n"
" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^\n"
"TypeError: split() got an unexpected keyword argument 'max_split'. Did you "
"mean 'maxsplit'?"
#: ../../whatsnew/3.13.rst:299
msgid ""
"(Contributed by Pablo Galindo Salgado and Shantanu Jain in :gh:`107944`.)"
msgstr "(Pablo Galindo Salgado と Shantanu Jain による :gh:`107944` での貢献)"
#: ../../whatsnew/3.13.rst:305
msgid "Free-threaded CPython"
msgstr "フリースレッドの CPython"
#: ../../whatsnew/3.13.rst:307
msgid ""
"CPython now has experimental support for running in a free-threaded mode, "
"with the :term:`global interpreter lock` (GIL) disabled. This is an "
"experimental feature and therefore is not enabled by default. The free-"
"threaded mode requires a different executable, usually called "
"``python3.13t`` or ``python3.13t.exe``. Pre-built binaries marked as *free-"
"threaded* can be installed as part of the official :ref:`Windows <install-"
"freethreaded-windows>` and :ref:`macOS <install-freethreaded-macos>` "
"installers, or CPython can be built from source with the :option:`--disable-"
"gil` option."
msgstr ""
":term:`global interpreter lock` (GIL) を無効化するフリースレッドモードで "
"CPython を実行する機能が実験的に追加されました。これは実験的機能のため、デ"
"フォルトで有効にはなっていません。フリースレッドモードで実行するには別の実行"
"ファイルが必要で、通常 ``python3.13t`` か ``python3.13t.exe`` という名前で"
"す。入手するには、公式の :ref:`Windows <install-freethreaded-windows>` 版・ :"
"ref:`macOS <install-freethreaded-macos>` 版インストーラで *フリースレッド* と"
"ラベルのついたビルド済みバイナリをインストールするか、もしくは CPython のソー"
"スコードを :option:`--disable-gil` オプション付きでビルドすることもできます。"
#: ../../whatsnew/3.13.rst:317
msgid ""
"Free-threaded execution allows for full utilization of the available "
"processing power by running threads in parallel on available CPU cores. "
"While not all software will benefit from this automatically, programs "
"designed with threading in mind will run faster on multi-core hardware. "
"**The free-threaded mode is experimental** and work is ongoing to improve "
"it: expect some bugs and a substantial single-threaded performance hit. Free-"
"threaded builds of CPython support optionally running with the GIL enabled "
"at runtime using the environment variable :envvar:`PYTHON_GIL` or the "
"command-line option :option:`-X gil=1`."
msgstr ""
"フリースレッドで実行することで、CPU コアの上で並列にスレッドを実行できるた"
"め、使用可能な処理性能をフルに活かすことができます。フリースレッドモードを使"
"うだけでどのようなソフトウェアも恩恵を受けられるわけではないものの、スレッド"
"を活用するように設計されたプログラムであれば、マルチコアのハードウェアでより"
"高速に実行できることになります。ただし、 **フリースレッドモードは実験的機能"
"** であり、改善が行われている最中です。バグに遭遇したり、シングルスレッドのパ"
"フォーマンスが大きく悪化する可能性があるので、注意してください。CPython のフ"
"リースレッド版ビルドでも、GIL を有効にした実行に対応しており、環境変数 :"
"envvar:`PYTHON_GIL` かコマンドラインオプション :option:`-X gil=1` によって有"
"効化できます。"
#: ../../whatsnew/3.13.rst:327
msgid ""
"To check if the current interpreter supports free-threading, :option:`python "
"-VV <-V>` and :data:`sys.version` contain \"experimental free-threading "
"build\". The new :func:`!sys._is_gil_enabled` function can be used to check "
"whether the GIL is actually disabled in the running process."
msgstr ""
"使用しているインタープリタがフリースレッドに対応しているかどうかは、 :option:"
"`python -VV <-V>` を実行するか、 :data:`sys.version` に 「experimental free-"
"threading build」が含まれているかどうかで確認できます。新しく追加された :"
"func:`!sys._is_gil_enabled` 関数により、 GIL が現在のプロセスで実際に有効に"
"なっているかを確認できます。"
#: ../../whatsnew/3.13.rst:332
msgid ""
"C-API extension modules need to be built specifically for the free-threaded "
"build. Extensions that support running with the :term:`GIL` disabled should "
"use the :c:data:`Py_mod_gil` slot. Extensions using single-phase init should "
"use :c:func:`PyUnstable_Module_SetGIL` to indicate whether they support "
"running with the GIL disabled. Importing C extensions that don't use these "
"mechanisms will cause the GIL to be enabled, unless the GIL was explicitly "
"disabled with the :envvar:`PYTHON_GIL` environment variable or the :option:`-"
"X gil=0` option. pip 24.1 or newer is required to install packages with C "
"extensions in the free-threaded build."
msgstr ""
"C-API 拡張モジュールは、フリースレッド用に別にビルドする必要があります。 :"
"term:`GIL` 無効状態での実行に対応している拡張モジュールは、 :c:data:"
"`Py_mod_gil` を使用してください。一段階初期化を使用する C 拡張は :c:func:"
"`PyUnstable_Module_SetGIL` を使用することで、 GIL 無効状態での実行に対応して"
"いるかどうかを指定してください。このような仕組みをいずれも使用しないモジュー"
"ルがインポートされると、環境変数 :envvar:`PYTHON_GIL` か :option:`-X gil=0` "
"オプションが指定されていない限り、GIL が有効化されます。フリースレッド版の "
"Python で C 拡張を含むパッケージをインストールするには、pip のバージョン が "
"24.1 以上である必要があります。"
#: ../../whatsnew/3.13.rst:343
msgid ""
"This work was made possible thanks to many individuals and organizations, "
"including the large community of contributors to Python and third-party "
"projects to test and enable free-threading support. Notable contributors "
"include: Sam Gross, Ken Jin, Donghee Na, Itamar Oren, Matt Page, Brett "
"Simmers, Dino Viehland, Carl Meyer, Nathan Goldbaum, Ralf Gommers, Lysandros "
"Nikolaou, and many others. Many of these contributors are employed by Meta, "
"which has provided significant engineering resources to support this project."
msgstr ""
"この機能が実現に至ったのは、たくさんの個人開発者の方や組織のおかげです。"
"Python やサードパーティのプロジェクトに貢献する開発者の巨大なコミュニティが、"
"フリースレッドへの対応やテストを行ってくださいました。特に大きな貢献のあった"
"方は以下です: Sam Gross、Ken Jin、Donghee Na、Itamar Oren、Matt Page、Brett "
"Simmers、Dino Viehland、Carl Meyer、Nathan Goldbaum、Ralf Gommers、Lysandros "
"Nikolaou、ほか多数。このうちの多くが Meta の従業員であり、Meta はこのプロジェ"
"クトに多大な技術的な支援をしてくださいました。"
#: ../../whatsnew/3.13.rst:355
msgid ""
":pep:`703` \"Making the Global Interpreter Lock Optional in CPython\" "
"contains rationale and information surrounding this work."
msgstr ""
#: ../../whatsnew/3.13.rst:358
msgid ""
"`Porting Extension Modules to Support Free-Threading <https://py-free-"
"threading.github.io/porting/>`_: A community-maintained porting guide for "
"extension authors."
msgstr ""
#: ../../whatsnew/3.13.rst:366
msgid "An experimental just-in-time (JIT) compiler"
msgstr "実験的な Just-in-time (JIT) コンパイラ:"
#: ../../whatsnew/3.13.rst:368
msgid ""
"When CPython is configured and built using the :option:`!--enable-"
"experimental-jit` option, a just-in-time (JIT) compiler is added which may "
"speed up some Python programs. On Windows, use ``PCbuild/build.bat --"
"experimental-jit`` to enable the JIT or ``--experimental-jit-interpreter`` "
"to enable the Tier 2 interpreter. Build requirements and further supporting "
"information `are contained at`__ :file:`Tools/jit/README.md`."
msgstr ""
"CPython を :option:`!--enable-experimental-jit` オプション付きで `configure` "
"してからビルドすると、just-in-time (JIT) コンパイラが追加され、Python プログ"
"ラムの実行が速くなる可能性があります。Windows では ``PCbuild/build.bat --"
"experimental-jit`` で JIT を有効化するか、 ``--experimental-jit-"
"interpreter`` でティア2インタープリタを有効化してください。ビルドの必要事項や"
"その他の補足情報は :file:`Tools/jit/README.md` `に掲載されています`__ 。"
#: ../../whatsnew/3.13.rst:378
msgid ""
"The :option:`!--enable-experimental-jit` option takes these (optional) "
"values, defaulting to ``yes`` if :option:`!--enable-experimental-jit` is "
"present without the optional value."
msgstr ""
#: ../../whatsnew/3.13.rst:382
msgid "``no``: Disable the entire Tier 2 and JIT pipeline."
msgstr ""
#: ../../whatsnew/3.13.rst:383
msgid ""
"``yes``: Enable the JIT. To disable the JIT at runtime, pass the environment "
"variable ``PYTHON_JIT=0``."
msgstr ""
#: ../../whatsnew/3.13.rst:385
msgid ""
"``yes-off``: Build the JIT but disable it by default. To enable the JIT at "
"runtime, pass the environment variable ``PYTHON_JIT=1``."
msgstr ""
#: ../../whatsnew/3.13.rst:387
msgid ""
"``interpreter``: Enable the Tier 2 interpreter but disable the JIT. The "
"interpreter can be disabled by running with ``PYTHON_JIT=0``."
msgstr ""
#: ../../whatsnew/3.13.rst:390
msgid "The internal architecture is roughly as follows:"
msgstr ""
#: ../../whatsnew/3.13.rst:392
msgid ""
"We start with specialized *Tier 1 bytecode*. See :ref:`What's new in 3.11 "
"<whatsnew311-pep659>` for details."
msgstr ""
#: ../../whatsnew/3.13.rst:394
msgid ""
"When the Tier 1 bytecode gets hot enough, it gets translated to a new purely "
"internal intermediate representation (IR), called the *Tier 2 IR*, and "
"sometimes referred to as micro-ops (\"uops\")."
msgstr ""
#: ../../whatsnew/3.13.rst:397
msgid ""
"The Tier 2 IR uses the same stack-based virtual machine as Tier 1, but the "
"instruction format is better suited to translation to machine code."
msgstr ""
#: ../../whatsnew/3.13.rst:399
msgid ""
"We have several optimization passes for Tier 2 IR, which are applied before "
"it is interpreted or translated to machine code."
msgstr ""
#: ../../whatsnew/3.13.rst:401
msgid ""
"There is a Tier 2 interpreter, but it is mostly intended for debugging the "
"earlier stages of the optimization pipeline. The Tier 2 interpreter can be "
"enabled by configuring Python with ``--enable-experimental-jit=interpreter``."
msgstr ""
#: ../../whatsnew/3.13.rst:405
msgid ""
"When the JIT is enabled, the optimized Tier 2 IR is translated to machine "
"code, which is then executed."
msgstr ""
#: ../../whatsnew/3.13.rst:407
msgid ""
"The machine code translation process uses a technique called *copy-and-"
"patch*. It has no runtime dependencies, but there is a new build-time "
"dependency on LLVM."
msgstr ""
#: ../../whatsnew/3.13.rst:411
msgid ":pep:`744`"
msgstr ""
#: ../../whatsnew/3.13.rst:413
msgid ""
"(JIT by Brandt Bucher, inspired by a paper by Haoran Xu and Fredrik "
"Kjolstad. Tier 2 IR by Mark Shannon and Guido van Rossum. Tier 2 optimizer "
"by Ken Jin.)"
msgstr ""
#: ../../whatsnew/3.13.rst:421
msgid "Defined mutation semantics for :py:func:`locals`"
msgstr ""
#: ../../whatsnew/3.13.rst:423
msgid ""
"Historically, the expected result of mutating the return value of :func:"
"`locals` has been left to individual Python implementations to define. "
"Starting from Python 3.13, :pep:`667` standardises the historical behavior "
"of CPython for most code execution scopes, but changes :term:`optimized "
"scopes <optimized scope>` (functions, generators, coroutines, "
"comprehensions, and generator expressions) to explicitly return independent "
"snapshots of the currently assigned local variables, including locally "
"referenced nonlocal variables captured in closures."
msgstr ""
#: ../../whatsnew/3.13.rst:432
msgid ""
"This change to the semantics of :func:`locals` in optimized scopes also "
"affects the default behavior of code execution functions that implicitly "
"target :func:`!locals` if no explicit namespace is provided (such as :func:"
"`exec` and :func:`eval`). In previous versions, whether or not changes could "
"be accessed by calling :func:`!locals` after calling the code execution "
"function was implementation-dependent. In CPython specifically, such code "
"would typically appear to work as desired, but could sometimes fail in "
"optimized scopes based on other code (including debuggers and code execution "
"tracing tools) potentially resetting the shared snapshot in that scope. Now, "
"the code will always run against an independent snapshot of the local "
"variables in optimized scopes, and hence the changes will never be visible "
"in subsequent calls to :func:`!locals`. To access the changes made in these "
"cases, an explicit namespace reference must now be passed to the relevant "
"function. Alternatively, it may make sense to update affected code to use a "
"higher level code execution API that returns the resulting code execution "
"namespace (e.g. :func:`runpy.run_path` when executing Python files from "
"disk)."
msgstr ""
#: ../../whatsnew/3.13.rst:451
msgid ""
"To ensure debuggers and similar tools can reliably update local variables in "
"scopes affected by this change, :attr:`FrameType.f_locals <frame.f_locals>` "
"now returns a write-through proxy to the frame's local and locally "
"referenced nonlocal variables in these scopes, rather than returning an "
"inconsistently updated shared ``dict`` instance with undefined runtime "
"semantics."
msgstr ""
#: ../../whatsnew/3.13.rst:457
msgid ""
"See :pep:`667` for more details, including related C API changes and "
"deprecations. Porting notes are also provided below for the affected :ref:"
"`Python APIs <pep667-porting-notes-py>` and :ref:`C APIs <pep667-porting-"
"notes-c>`."
msgstr ""
#: ../../whatsnew/3.13.rst:462
msgid ""
"(PEP and implementation contributed by Mark Shannon and Tian Gao in :gh:"
"`74929`. Documentation updates provided by Guido van Rossum and Alyssa "
"Coghlan.)"
msgstr ""
#: ../../whatsnew/3.13.rst:470
msgid "Support for mobile platforms"
msgstr ""
#: ../../whatsnew/3.13.rst:472
msgid ""
":pep:`730`: iOS is now a :pep:`11` supported platform, with the ``arm64-"
"apple-ios`` and ``arm64-apple-ios-simulator`` targets at tier 3 (iPhone and "
"iPad devices released after 2013 and the Xcode iOS simulator running on "
"Apple silicon hardware, respectively). ``x86_64-apple-ios-simulator`` (the "
"Xcode iOS simulator running on older ``x86_64`` hardware) is not a tier 3 "
"supported platform, but will have best-effort support. (PEP written and "
"implementation contributed by Russell Keith-Magee in :gh:`114099`.)"
msgstr ""
#: ../../whatsnew/3.13.rst:482
msgid ""
":pep:`738`: Android is now a :pep:`11` supported platform, with the "
"``aarch64-linux-android`` and ``x86_64-linux-android`` targets at tier 3. "
"The 32-bit targets ``arm-linux-androideabi`` and ``i686-linux-android`` are "
"not tier 3 supported platforms, but will have best-effort support. (PEP "
"written and implementation contributed by Malcolm Smith in :gh:`116622`.)"
msgstr ""
#: ../../whatsnew/3.13.rst:489
msgid ":pep:`730`, :pep:`738`"
msgstr ""
#: ../../whatsnew/3.13.rst:493
msgid "Other Language Changes"
msgstr "その他の言語変更"
#: ../../whatsnew/3.13.rst:495
msgid ""
"The compiler now strips common leading whitespace from every line in a "
"docstring. This reduces the size of the :term:`bytecode cache <bytecode>` "
"(such as ``.pyc`` files), with reductions in file size of around 5%, for "
"example in :mod:`!sqlalchemy.orm.session` from SQLAlchemy 2.0. This change "
"affects tools that use docstrings, such as :mod:`doctest`."
msgstr ""
#: ../../whatsnew/3.13.rst:502
msgid ""
">>> def spam():\n"
"... \"\"\"\n"
"... This is a docstring with\n"
"... leading whitespace.\n"
"...\n"
"... It even has multiple paragraphs!\n"
"... \"\"\"\n"
"...\n"
">>> spam.__doc__\n"