3.9.po

# SOME DESCRIPTIVE TITLE.
# Copyright (C) 2001-2025, Python Software Foundation
# This file is distributed under the same license as the Python package.
# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
#
# Translators:
# Osamu NAKAMURA, 2021
# Shin Saito, 2021
# yaakiyu, 2022
# Arihiro TAKASE, 2023
# Takanori Suzuki <takanori@takanory.net>, 2024
# tomo, 2024
# Yasuyuki ARAKI, 2024
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: Python 3.13\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2025-02-14 14:17+0000\n"
"PO-Revision-Date: 2021-06-29 13:04+0000\n"
"Last-Translator: Yasuyuki ARAKI, 2024\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/3.9.rst:3
msgid "What's New In Python 3.9"
msgstr "What's New In Python 3.9"

#: ../../whatsnew/3.9.rst:0
msgid "Editor"
msgstr "編集者"

#: ../../whatsnew/3.9.rst:5
msgid "Łukasz Langa"
msgstr "Łukasz Langa"

#: ../../whatsnew/3.9.rst:45
msgid ""
"This article explains the new features in Python 3.9, compared to 3.8. "
"Python 3.9 was released on October 5, 2020. For full details, see the :ref:"
"`changelog <changelog>`."
msgstr ""

#: ../../whatsnew/3.9.rst:51
msgid ":pep:`596` - Python 3.9 Release Schedule"
msgstr ":pep:`596` - Python 3.9 リリーススケジュール"

#: ../../whatsnew/3.9.rst:55
msgid "Summary -- Release highlights"
msgstr "概要 -- リリースハイライト"

#: ../../whatsnew/3.9.rst:60
msgid "New syntax features:"
msgstr "新たな文法機能:"

#: ../../whatsnew/3.9.rst:62
msgid ":pep:`584`, union operators added to ``dict``;"
msgstr ":pep:`584`、 ``dict`` に和集合の演算子が追加されました。"

#: ../../whatsnew/3.9.rst:63
msgid ":pep:`585`, type hinting generics in standard collections;"
msgstr ""
":pep:`585`、標準コレクション型の型ヒントにおける総称型 (generics) の使用。"

#: ../../whatsnew/3.9.rst:64
msgid ":pep:`614`, relaxed grammar restrictions on decorators."
msgstr ":pep:`614`、デコレータの適用における文法的制約の緩和。"

#: ../../whatsnew/3.9.rst:66
msgid "New built-in features:"
msgstr "新たな組み込み機能:"

#: ../../whatsnew/3.9.rst:68
msgid ":pep:`616`, string methods to remove prefixes and suffixes."
msgstr ":pep:`616`、prefixとsuffixを削除する文字列メソッド。"

#: ../../whatsnew/3.9.rst:70
msgid "New features in the standard library:"
msgstr "標準ライブラリの新機能:"

#: ../../whatsnew/3.9.rst:72
msgid ":pep:`593`, flexible function and variable annotations;"
msgstr ""
":pep:`593`、より柔軟な変数・関数アノテーション (訳注: ``Annotated`` の導入)。"

#: ../../whatsnew/3.9.rst:73
msgid ""
":func:`os.pidfd_open` added that allows process management without races and "
"signals."
msgstr ""
":func:`os.pidfd_open` が追加され、レースやシグナルを使わずにプロセス管理がで"
"きるようになりました。"

#: ../../whatsnew/3.9.rst:76
msgid "Interpreter improvements:"
msgstr "インタプリタの改善:"

#: ../../whatsnew/3.9.rst:78
msgid ""
":pep:`573`, fast access to module state from methods of C extension types;"
msgstr ""

#: ../../whatsnew/3.9.rst:80
msgid ":pep:`617`, CPython now uses a new parser based on PEG;"
msgstr ""
":pep:`617`、CPython における PEG (Parser Expression Grammar) ベースの新しい構"
"文解析器の使用。"

#: ../../whatsnew/3.9.rst:81
msgid ""
"a number of Python builtins (range, tuple, set, frozenset, list, dict) are "
"now sped up using :pep:`590` vectorcall;"
msgstr ""
"いくつかのPythonの組み込み型（range, tuple, set, frozenset, list, dict） を :"
"pep:`590` vectorcall を用いて高速化しました。"

#: ../../whatsnew/3.9.rst:83
msgid "garbage collection does not block on resurrected objects;"
msgstr ""

#: ../../whatsnew/3.9.rst:84
msgid ""
"a number of Python modules (:mod:`!_abc`, :mod:`!audioop`, :mod:`!_bz2`, :"
"mod:`!_codecs`, :mod:`!_contextvars`, :mod:`!_crypt`, :mod:`!_functools`, :"
"mod:`!_json`, :mod:`!_locale`, :mod:`math`, :mod:`operator`, :mod:"
"`resource`, :mod:`time`, :mod:`!_weakref`) now use multiphase initialization "
"as defined by PEP 489;"
msgstr ""

#: ../../whatsnew/3.9.rst:89
msgid ""
"a number of standard library modules (:mod:`!audioop`, :mod:`ast`, :mod:"
"`grp`, :mod:`!_hashlib`, :mod:`pwd`, :mod:`!_posixsubprocess`, :mod:"
"`random`, :mod:`select`, :mod:`struct`, :mod:`termios`, :mod:`zlib`) are now "
"using the stable ABI defined by PEP 384."
msgstr ""

#: ../../whatsnew/3.9.rst:94
msgid "New library modules:"
msgstr "新たなライブラリモジュール:"

#: ../../whatsnew/3.9.rst:96
msgid ""
":pep:`615`, the IANA Time Zone Database is now present in the standard "
"library in the :mod:`zoneinfo` module;"
msgstr ""
":pep:`615`、IANAのTime Zone Databaseが標準ライブラリの :mod:`zoneinfo` モ"
"ジュールで提供されるようになりました。"

#: ../../whatsnew/3.9.rst:98
msgid ""
"an implementation of a topological sort of a graph is now provided in the "
"new :mod:`graphlib` module."
msgstr ""

#: ../../whatsnew/3.9.rst:101
msgid "Release process changes:"
msgstr "リリースプロセスの変更:"

#: ../../whatsnew/3.9.rst:103
msgid ":pep:`602`, CPython adopts an annual release cycle."
msgstr ":pep:`602`、CPythonは年次のリリースサイクルを採用します。"

#: ../../whatsnew/3.9.rst:107
msgid "You should check for DeprecationWarning in your code"
msgstr "コード中の非推奨警告(DeprecationWarning)をチェックして下さい"

#: ../../whatsnew/3.9.rst:109
msgid ""
"When Python 2.7 was still supported, a lot of functionality in Python 3 was "
"kept for backward compatibility with Python 2.7. With the end of Python 2 "
"support, these backward compatibility layers have been removed, or will be "
"removed soon. Most of them emitted a :exc:`DeprecationWarning` warning for "
"several years. For example, using ``collections.Mapping`` instead of "
"``collections.abc.Mapping`` emits a :exc:`DeprecationWarning` since Python "
"3.3, released in 2012."
msgstr ""
"Python 2.7がまだサポートされていた期間、Python 3の多くの機能はPython 2.7との"
"後方互換性を保っていました。Python 2サポートの終了とともに、この後方互換性レ"
"イヤは除去されたか、間もなく除去されます。ここ数年で、それらの多くは警告 :"
"exc:`DeprecationWarning` を出すようになりました。例えば、2012年にリリースされ"
"たPython 3.3以降、``collections.abc.Mapping`` の代りに ``collections."
"Mapping`` を使うと、警告 :exc:`DeprecationWarning` が出ます。"

#: ../../whatsnew/3.9.rst:117
msgid ""
"Test your application with the :option:`-W` ``default`` command-line option "
"to see :exc:`DeprecationWarning` and :exc:`PendingDeprecationWarning`, or "
"even with :option:`-W` ``error`` to treat them as errors. :ref:`Warnings "
"Filter <warning-filter>` can be used to ignore warnings from third-party "
"code."
msgstr ""
"警告 :exc:`DeprecationWarning` および :exc:`PendingDeprecationWarning` を確認"
"するために、 :option:`-W` ``default`` コマンドラインオプションを付けて、あな"
"たのアプリケーションをテストして下さい。あるいは、:option:`-W` ``error`` で警"
"告をエラーとして扱うこともできます。サードパーティによるコードの警告を無視す"
"るには、:ref:`Warnings Filter <warning-filter>` を使うことができます。"

#: ../../whatsnew/3.9.rst:122
msgid ""
"Python 3.9 is the last version providing those Python 2 backward "
"compatibility layers, to give more time to Python projects maintainers to "
"organize the removal of the Python 2 support and add support for Python 3.9."
msgstr ""
"Python 3.9は、Python 2後方互換性レイヤを提供する最後のバージョンです。このレ"
"イヤは、Pythonプロジェクトの保守管理者に、Python 2サポートを止めてPython 3.9"
"サポートを追加する時間的な余裕を与えるためのものです。"

#: ../../whatsnew/3.9.rst:126
msgid ""
"Aliases to :ref:`Abstract Base Classes <collections-abstract-base-classes>` "
"in the :mod:`collections` module, like ``collections.Mapping`` alias to :"
"class:`collections.abc.Mapping`, are kept for one last release for backward "
"compatibility. They will be removed from Python 3.10."
msgstr ""

#: ../../whatsnew/3.9.rst:131
msgid ""
"More generally, try to run your tests in the :ref:`Python Development Mode "
"<devmode>` which helps to prepare your code to make it compatible with the "
"next Python version."
msgstr ""
"より一般的には、あなたのコードが次のバージョンのPythonと互換性を保てるよう、:"
"ref:`Python Development Mode <devmode>` でテストするようにしてください。"

#: ../../whatsnew/3.9.rst:135
msgid ""
"Note: a number of pre-existing deprecations were removed in this version of "
"Python as well. Consult the :ref:`removed-in-python-39` section."
msgstr ""
"注釈: Pythonのこのバージョンで、既存の多くの非推奨機能が削除されました。詳し"
"くは :ref:`removed-in-python-39` を見て下さい。"

#: ../../whatsnew/3.9.rst:140 ../../whatsnew/3.9.rst:1271
msgid "New Features"
msgstr "新しい機能"

#: ../../whatsnew/3.9.rst:143
msgid "Dictionary Merge & Update Operators"
msgstr "辞書のマージと更新演算子"

#: ../../whatsnew/3.9.rst:145
msgid ""
"Merge (``|``) and update (``|=``) operators have been added to the built-in :"
"class:`dict` class. Those complement the existing ``dict.update`` and "
"``{**d1, **d2}`` methods of merging dictionaries."
msgstr ""
"組み込みの :class:`dict` クラスにマージ(``|``)と更新(``|=``)演算子が追加され"
"ました。この演算子は、辞書をマージする既存の方法 ``dict.update`` と ``{**d1, "
"**d2}`` を補完します。"

#: ../../whatsnew/3.9.rst:149 ../../whatsnew/3.9.rst:282
msgid "Example::"
msgstr "以下はプログラム例です::"

#: ../../whatsnew/3.9.rst:151
msgid ""
">>> x = {\"key1\": \"value1 from x\", \"key2\": \"value2 from x\"}\n"
">>> y = {\"key2\": \"value2 from y\", \"key3\": \"value3 from y\"}\n"
">>> x | y\n"
"{'key1': 'value1 from x', 'key2': 'value2 from y', 'key3': 'value3 from y'}\n"
">>> y | x\n"
"{'key2': 'value2 from x', 'key3': 'value3 from y', 'key1': 'value1 from x'}"
msgstr ""

#: ../../whatsnew/3.9.rst:158
msgid ""
"See :pep:`584` for a full description. (Contributed by Brandt Bucher in :"
"issue:`36144`.)"
msgstr ""
"詳細は :pep:`584` を参照してください。(Brandt Bucher の貢献による :issue:"
"`36144`)"

#: ../../whatsnew/3.9.rst:162
msgid "New String Methods to Remove Prefixes and Suffixes"
msgstr "prefixとsuffixを削除する新しい文字列メソッド"

#: ../../whatsnew/3.9.rst:164
msgid ""
":meth:`str.removeprefix(prefix)<str.removeprefix>` and :meth:`str."
"removesuffix(suffix)<str.removesuffix>` have been added to easily remove an "
"unneeded prefix or a suffix from a string. Corresponding ``bytes``, "
"``bytearray``, and ``collections.UserString`` methods have also been added. "
"See :pep:`616` for a full description. (Contributed by Dennis Sweeney in :"
"issue:`39939`.)"
msgstr ""
"文字列から不要な prefix や suffix を簡単に削除する :meth:`str."
"removeprefix(prefix)<str.removeprefix>` と :meth:`str."
"removesuffix(suffix)<str.removesuffix>` が追加されました。 ``bytes``, "
"``bytearray``, ``collections.UserString`` にも同様のメソッドが追加されまし"
"た。詳細は :pep:`616` を参照してください。(Dennis Sweeney の貢献による :"
"issue:`39939`)"

#: ../../whatsnew/3.9.rst:172
msgid "Type Hinting Generics in Standard Collections"
msgstr "標準コレクション型の型ヒントにおける総称型 (generics) の使用"

#: ../../whatsnew/3.9.rst:174
msgid ""
"In type annotations you can now use built-in collection types such as "
"``list`` and ``dict`` as generic types instead of importing the "
"corresponding capitalized types (e.g. ``List`` or ``Dict``) from "
"``typing``.  Some other types in the standard library are also now generic, "
"for example ``queue.Queue``."
msgstr ""
"型アノテーションで、``typing`` モジュールからインポートしていた大文字の型"
"（``List`` や ``Dict``）の代わりに、総称型（generics）で ``list`` や "
"``dict`` といった標準コレクション型が使用できるようになりました。いくつかの他"
"の標準ライブラリの型（``queue.Queue`` など）も総称型として使用できます。"

#: ../../whatsnew/3.9.rst:180 ../../whatsnew/3.9.rst:1159
msgid "Example:"
msgstr "例:"

#: ../../whatsnew/3.9.rst:182
msgid ""
"def greet_all(names: list[str]) -> None:\n"
"    for name in names:\n"
"        print(\"Hello\", name)"
msgstr ""

#: ../../whatsnew/3.9.rst:188
msgid ""
"See :pep:`585` for more details.  (Contributed by Guido van Rossum, Ethan "
"Smith, and Batuhan Taşkaya in :issue:`39481`.)"
msgstr ""
"詳細は :pep:`585` を参照してください。(Guido van Rossum、Ethan Smith、"
"Batuhan Taşkaya の貢献による :issue:`39481`)"

#: ../../whatsnew/3.9.rst:192
msgid "New Parser"
msgstr "新しいパーサー"

#: ../../whatsnew/3.9.rst:194
msgid ""
"Python 3.9 uses a new parser, based on `PEG <https://en.wikipedia.org/wiki/"
"Parsing_expression_grammar>`_ instead of `LL(1) <https://en.wikipedia.org/"
"wiki/LL_parser>`_.  The new parser's performance is roughly comparable to "
"that of the old parser, but the PEG formalism is more flexible than LL(1) "
"when it comes to designing new language features.  We'll start using this "
"flexibility in Python 3.10 and later."
msgstr ""
"Python 3.9は、 `LL(1) <https://en.wikipedia.org/wiki/LL_parser>`_ に代えて "
"`PEG <https://en.wikipedia.org/wiki/Parsing_expression_grammar>`_ に基づく新"
"しいパーサーを採用しています。新しいパーサーのパフォーマンスは古いパーサーと"
"ほぼ同程度ですが、新しい言語の機能を設計する際に、PEGの形式主義はより柔軟で"
"す。我々は、この柔軟性をPython 3.10以降に使い始める予定です。"

#: ../../whatsnew/3.9.rst:202
msgid ""
"The :mod:`ast` module uses the new parser and produces the same AST as the "
"old parser."
msgstr ""
":mod:`ast` モジュールは、新しいパーサーを使って古いパーサーと同じASTを生成し"
"ます。"

#: ../../whatsnew/3.9.rst:205
msgid ""
"In Python 3.10, the old parser will be deleted and so will all functionality "
"that depends on it (primarily the :mod:`!parser` module, which has long been "
"deprecated).  In Python 3.9 *only*, you can switch back to the LL(1) parser "
"using a command line switch (``-X oldparser``) or an environment variable "
"(``PYTHONOLDPARSER=1``)."
msgstr ""

#: ../../whatsnew/3.9.rst:211
msgid ""
"See :pep:`617` for more details.  (Contributed by Guido van Rossum, Pablo "
"Galindo and Lysandros Nikolaou in :issue:`40334`.)"
msgstr ""
"詳細は :pep:`617` を参照してください。(Guido van Rossum,、Pablo Galindo、およ"
"びLysandros Nikolaouの貢献による :issue:`40334`)"

#: ../../whatsnew/3.9.rst:216
msgid "Other Language Changes"
msgstr "その他の言語変更"

#: ../../whatsnew/3.9.rst:218
msgid ""
":func:`__import__` now raises :exc:`ImportError` instead of :exc:"
"`ValueError`, which used to occur when a relative import went past its top-"
"level package. (Contributed by Ngalim Siregar in :issue:`37444`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:223
msgid ""
"Python now gets the absolute path of the script filename specified on the "
"command line (ex: ``python3 script.py``): the ``__file__`` attribute of the :"
"mod:`__main__` module became an absolute path, rather than a relative path. "
"These paths now remain valid after the current directory is changed by :func:"
"`os.chdir`. As a side effect, the traceback also displays the absolute path "
"for :mod:`__main__` module frames in this case. (Contributed by Victor "
"Stinner in :issue:`20443`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:231
msgid ""
"In the :ref:`Python Development Mode <devmode>` and in :ref:`debug build "
"<debug-build>`, the *encoding* and *errors* arguments are now checked for "
"string encoding and decoding operations. Examples: :func:`open`, :meth:`str."
"encode` and :meth:`bytes.decode`."
msgstr ""

#: ../../whatsnew/3.9.rst:236
msgid ""
"By default, for best performance, the *errors* argument is only checked at "
"the first encoding/decoding error and the *encoding* argument is sometimes "
"ignored for empty strings. (Contributed by Victor Stinner in :issue:`37388`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:241
msgid ""
"``\"\".replace(\"\", s, n)`` now returns ``s`` instead of an empty string "
"for all non-zero ``n``.  It is now consistent with ``\"\".replace(\"\", "
"s)``. There are similar changes for :class:`bytes` and :class:`bytearray` "
"objects. (Contributed by Serhiy Storchaka in :issue:`28029`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:246
msgid ""
"Any valid expression can now be used as a :term:`decorator`.  Previously, "
"the grammar was much more restrictive.  See :pep:`614` for details. "
"(Contributed by Brandt Bucher in :issue:`39702`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:250
msgid ""
"Improved help for the :mod:`typing` module. Docstrings are now shown for all "
"special forms and special generic aliases (like ``Union`` and ``List``). "
"Using :func:`help` with generic alias like ``List[int]`` will show the help "
"for the correspondent concrete type (``list`` in this case). (Contributed by "
"Serhiy Storchaka in :issue:`40257`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:256
msgid ""
"Parallel running of :meth:`~agen.aclose` / :meth:`~agen.asend` / :meth:"
"`~agen.athrow` is now prohibited, and ``ag_running`` now reflects the actual "
"running status of the async generator. (Contributed by Yury Selivanov in :"
"issue:`30773`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:261
msgid ""
"Unexpected errors in calling the ``__iter__`` method are no longer masked by "
"``TypeError`` in the :keyword:`in` operator and functions :func:`~operator."
"contains`, :func:`~operator.indexOf` and :func:`~operator.countOf` of the :"
"mod:`operator` module. (Contributed by Serhiy Storchaka in :issue:`40824`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:267
msgid ""
"Unparenthesized lambda expressions can no longer be the expression part in "
"an ``if`` clause in comprehensions and generator expressions. See :issue:"
"`41848` and :issue:`43755` for details."
msgstr ""

#: ../../whatsnew/3.9.rst:273
msgid "New Modules"
msgstr "新たなモジュール"

#: ../../whatsnew/3.9.rst:276
msgid "zoneinfo"
msgstr ""

#: ../../whatsnew/3.9.rst:278
msgid ""
"The :mod:`zoneinfo` module brings support for the IANA time zone database to "
"the standard library. It adds :class:`zoneinfo.ZoneInfo`, a concrete :class:"
"`datetime.tzinfo` implementation backed by the system's time zone data."
msgstr ""
":mod:`zoneinfo` モジュールにより標準ライブラリにIANAのタイムゾーンデータベー"
"スへのサポートを導入されます。:class:`zoneinfo.ZoneInfo` という、システムのタ"
"イムゾーンデータを背景とした具体的な :class:`datetime.tzinfo` の実装が追加さ"
"れます。"

#: ../../whatsnew/3.9.rst:284
msgid ""
">>> from zoneinfo import ZoneInfo\n"
">>> from datetime import datetime, timedelta\n"
"\n"
">>> # Daylight saving time\n"
">>> dt = datetime(2020, 10, 31, 12, tzinfo=ZoneInfo(\"America/"
"Los_Angeles\"))\n"
">>> print(dt)\n"
"2020-10-31 12:00:00-07:00\n"
">>> dt.tzname()\n"
"'PDT'\n"
"\n"
">>> # Standard time\n"
">>> dt += timedelta(days=7)\n"
">>> print(dt)\n"
"2020-11-07 12:00:00-08:00\n"
">>> print(dt.tzname())\n"
"PST"
msgstr ""

#: ../../whatsnew/3.9.rst:302
msgid ""
"As a fall-back source of data for platforms that don't ship the IANA "
"database, the :pypi:`tzdata` module was released as a first-party package -- "
"distributed via PyPI and maintained by the CPython core team."
msgstr ""

#: ../../whatsnew/3.9.rst:308
msgid ""
":pep:`615` -- Support for the IANA Time Zone Database in the Standard Library"
msgstr ""

#: ../../whatsnew/3.9.rst:309
msgid "PEP written and implemented by Paul Ganssle"
msgstr "PEP作成と実装は Paul Ganssle による。"

#: ../../whatsnew/3.9.rst:313
msgid "graphlib"
msgstr "graphlib"

#: ../../whatsnew/3.9.rst:315
msgid ""
"A new module, :mod:`graphlib`, was added that contains the :class:`graphlib."
"TopologicalSorter` class to offer functionality to perform topological "
"sorting of graphs. (Contributed by Pablo Galindo, Tim Peters and Larry "
"Hastings in :issue:`17005`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:322
msgid "Improved Modules"
msgstr "改良されたモジュール"

#: ../../whatsnew/3.9.rst:325
msgid "ast"
msgstr "ast"

#: ../../whatsnew/3.9.rst:327
msgid ""
"Added the *indent* option to :func:`~ast.dump` which allows it to produce a "
"multiline indented output. (Contributed by Serhiy Storchaka in :issue:"
"`37995`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:331
msgid ""
"Added :func:`ast.unparse` as a function in the :mod:`ast` module that can be "
"used to unparse an :class:`ast.AST` object and produce a string with code "
"that would produce an equivalent :class:`ast.AST` object when parsed. "
"(Contributed by Pablo Galindo and Batuhan Taskaya in :issue:`38870`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:336
msgid ""
"Added docstrings to AST nodes that contains the ASDL signature used to "
"construct that node. (Contributed by Batuhan Taskaya in :issue:`39638`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:340
msgid "asyncio"
msgstr "asyncio"

#: ../../whatsnew/3.9.rst:342
msgid ""
"Due to significant security concerns, the *reuse_address* parameter of :meth:"
"`asyncio.loop.create_datagram_endpoint` is no longer supported. This is "
"because of the behavior of the socket option ``SO_REUSEADDR`` in UDP. For "
"more details, see the documentation for ``loop.create_datagram_endpoint()``. "
"(Contributed by Kyle Stanley, Antoine Pitrou, and Yury Selivanov in :issue:"
"`37228`.)"
msgstr ""
"セキュリティ上の重大な懸念により、:meth:`asyncio.loop."
"create_datagram_endpoint` での *reuse_address* 引数は無効になりました。これは"
"ソケットオプション `SO_REUSEADDR`` のUDP における挙動が原因です。詳しくは、"
"``loop.create_datagram_endpoint()`` のドキュメントを参照してください。(Kyle "
"Stanley, Antoine Pitrou, Yury Selivanov による貢献 :issue:`37228`)"

#: ../../whatsnew/3.9.rst:349
msgid ""
"Added a new :term:`coroutine` :meth:`~asyncio.loop."
"shutdown_default_executor` that schedules a shutdown for the default "
"executor that waits on the :class:`~concurrent.futures.ThreadPoolExecutor` "
"to finish closing. Also, :func:`asyncio.run` has been updated to use the "
"new :term:`coroutine`. (Contributed by Kyle Stanley in :issue:`34037`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:355
msgid ""
"Added :class:`asyncio.PidfdChildWatcher`, a Linux-specific child watcher "
"implementation that polls process file descriptors. (:issue:`38692`)"
msgstr ""

#: ../../whatsnew/3.9.rst:358
msgid ""
"Added a new :term:`coroutine` :func:`asyncio.to_thread`. It is mainly used "
"for running IO-bound functions in a separate thread to avoid blocking the "
"event loop, and essentially works as a high-level version of :meth:`~asyncio."
"loop.run_in_executor` that can directly take keyword arguments. (Contributed "
"by Kyle Stanley and Yury Selivanov in :issue:`32309`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:364
msgid ""
"When cancelling the task due to a timeout, :meth:`asyncio.wait_for` will now "
"wait until the cancellation is complete also in the case when *timeout* is "
"<= 0, like it does with positive timeouts. (Contributed by Elvis "
"Pranskevichus in :issue:`32751`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:369
msgid ""
":mod:`asyncio` now raises :exc:`TypeError` when calling incompatible methods "
"with an :class:`ssl.SSLSocket` socket. (Contributed by Ido Michael in :issue:"
"`37404`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:374
msgid "compileall"
msgstr "compileall"

#: ../../whatsnew/3.9.rst:376
msgid ""
"Added new possibility to use hardlinks for duplicated ``.pyc`` files: "
"*hardlink_dupes* parameter and --hardlink-dupes command line option. "
"(Contributed by  Lumír 'Frenzy' Balhar in :issue:`40495`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:379
msgid ""
"Added new options for path manipulation in resulting ``.pyc`` files: "
"*stripdir*, *prependdir*, *limit_sl_dest* parameters and -s, -p, -e command "
"line options. Added the possibility to specify the option for an "
"optimization level multiple times. (Contributed by Lumír 'Frenzy' Balhar in :"
"issue:`38112`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:384
msgid "concurrent.futures"
msgstr "concurrent.futures"

#: ../../whatsnew/3.9.rst:386
msgid ""
"Added a new *cancel_futures* parameter to :meth:`concurrent.futures.Executor."
"shutdown` that cancels all pending futures which have not started running, "
"instead of waiting for them to complete before shutting down the executor. "
"(Contributed by Kyle Stanley in :issue:`39349`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:392
msgid ""
"Removed daemon threads from :class:`~concurrent.futures.ThreadPoolExecutor` "
"and :class:`~concurrent.futures.ProcessPoolExecutor`. This improves "
"compatibility with subinterpreters and predictability in their shutdown "
"processes. (Contributed by Kyle Stanley in :issue:`39812`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:397
msgid ""
"Workers in :class:`~concurrent.futures.ProcessPoolExecutor` are now spawned "
"on demand, only when there are no available idle workers to reuse. This "
"optimizes startup overhead and reduces the amount of lost CPU time to idle "
"workers. (Contributed by Kyle Stanley in :issue:`39207`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:403
msgid "curses"
msgstr "curses"

#: ../../whatsnew/3.9.rst:405
msgid ""
"Added :func:`curses.get_escdelay`, :func:`curses.set_escdelay`, :func:"
"`curses.get_tabsize`, and :func:`curses.set_tabsize` functions. (Contributed "
"by Anthony Sottile in :issue:`38312`.)"
msgstr ""
":func:`curses.get_escdelay`, :func:`curses.set_escdelay`, :func:`curses."
"get_tabsize`,  :func:`curses.set_tabsize` の関数が追加されました。(Anthony "
"Sottileによる :issue:`38312` でのコントリビュート。)"

#: ../../whatsnew/3.9.rst:410
msgid "datetime"
msgstr "datetime"

#: ../../whatsnew/3.9.rst:411
msgid ""
"The :meth:`~datetime.date.isocalendar` of :class:`datetime.date` and :meth:"
"`~datetime.datetime.isocalendar` of :class:`datetime.datetime` methods now "
"returns a :func:`~collections.namedtuple` instead of a :class:`tuple`. "
"(Contributed by Donghee Na in :issue:`24416`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:417
msgid "distutils"
msgstr "distutils"

#: ../../whatsnew/3.9.rst:419
msgid ""
"The :command:`upload` command now creates SHA2-256 and Blake2b-256 hash "
"digests. It skips MD5 on platforms that block MD5 digest. (Contributed by "
"Christian Heimes in :issue:`40698`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:424
msgid "fcntl"
msgstr "fcntl"

#: ../../whatsnew/3.9.rst:426
msgid ""
"Added constants :const:`~fcntl.F_OFD_GETLK`, :const:`~fcntl.F_OFD_SETLK` "
"and :const:`~fcntl.F_OFD_SETLKW`. (Contributed by Donghee Na in :issue:"
"`38602`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:431
msgid "ftplib"
msgstr "ftplib"

#: ../../whatsnew/3.9.rst:433
msgid ""
":class:`~ftplib.FTP` and :class:`~ftplib.FTP_TLS` now raise a :class:"
"`ValueError` if the given timeout for their constructor is zero to prevent "
"the creation of a non-blocking socket. (Contributed by Donghee Na in :issue:"
"`39259`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:438
msgid "gc"
msgstr "gc"

#: ../../whatsnew/3.9.rst:440
msgid ""
"When the garbage collector makes a collection in which some objects "
"resurrect (they are reachable from outside the isolated cycles after the "
"finalizers have been executed), do not block the collection of all objects "
"that are still unreachable. (Contributed by Pablo Galindo and Tim Peters in :"
"issue:`38379`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:445
msgid ""
"Added a new function :func:`gc.is_finalized` to check if an object has been "
"finalized by the garbage collector. (Contributed by Pablo Galindo in :issue:"
"`39322`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:450
msgid "hashlib"
msgstr "hashlib"

#: ../../whatsnew/3.9.rst:452
msgid ""
"The :mod:`hashlib` module can now use SHA3 hashes and SHAKE XOF from OpenSSL "
"when available. (Contributed by Christian Heimes in :issue:`37630`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:456
msgid ""
"Builtin hash modules can now be disabled with ``./configure --without-"
"builtin-hashlib-hashes`` or selectively enabled with e.g. ``./configure --"
"with-builtin-hashlib-hashes=sha3,blake2`` to force use of OpenSSL based "
"implementation. (Contributed by Christian Heimes in :issue:`40479`)"
msgstr ""

#: ../../whatsnew/3.9.rst:464
msgid "http"
msgstr "http"

#: ../../whatsnew/3.9.rst:466
msgid ""
"HTTP status codes ``103 EARLY_HINTS``, ``418 IM_A_TEAPOT`` and ``425 "
"TOO_EARLY`` are added to :class:`http.HTTPStatus`. (Contributed by Donghee "
"Na in :issue:`39509` and Ross Rhodes in :issue:`39507`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:470
msgid "IDLE and idlelib"
msgstr "IDLE と idelelib"

#: ../../whatsnew/3.9.rst:472
msgid ""
"Added option to toggle cursor blink off.  (Contributed by Zackery Spytz in :"
"issue:`4603`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:475
msgid ""
"Escape key now closes IDLE completion windows.  (Contributed by Johnny "
"Najera in :issue:`38944`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:478
msgid ""
"Added keywords to module name completion list.  (Contributed by Terry J. "
"Reedy in :issue:`37765`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:481
msgid "New in 3.9 maintenance releases"
msgstr ""

#: ../../whatsnew/3.9.rst:483
msgid ""
"Make IDLE invoke :func:`sys.excepthook` (when started without '-n'). User "
"hooks were previously ignored.  (Contributed by Ken Hilton in :issue:"
"`43008`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:487
msgid "The changes above have been backported to 3.8 maintenance releases."
msgstr ""

#: ../../whatsnew/3.9.rst:489
msgid ""
"Rearrange the settings dialog.  Split the General tab into Windows and Shell/"
"Ed tabs.  Move help sources, which extend the Help menu, to the Extensions "
"tab.  Make space for new options and shorten the dialog. The latter makes "
"the dialog better fit small screens.  (Contributed by Terry Jan Reedy in :"
"issue:`40468`.)  Move the indent space setting from the Font tab to the new "
"Windows tab.  (Contributed by Mark Roseman and Terry Jan Reedy in :issue:"
"`33962`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:497
msgid ""
"Apply syntax highlighting to ``.pyi`` files. (Contributed by Alex Waygood "
"and Terry Jan Reedy in :issue:`45447`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:501
msgid "imaplib"
msgstr "imaplib"

#: ../../whatsnew/3.9.rst:503
msgid ""
":class:`~imaplib.IMAP4` and :class:`~imaplib.IMAP4_SSL` now have an optional "
"*timeout* parameter for their constructors. Also, the :meth:`~imaplib.IMAP4."
"open` method now has an optional *timeout* parameter with this change. The "
"overridden methods of :class:`~imaplib.IMAP4_SSL` and :class:`~imaplib."
"IMAP4_stream` were applied to this change. (Contributed by Donghee Na in :"
"issue:`38615`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:510
msgid ""
":meth:`imaplib.IMAP4.unselect` is added. :meth:`imaplib.IMAP4.unselect` "
"frees server's resources associated with the selected mailbox and returns "
"the server to the authenticated state. This command performs the same "
"actions as :meth:`imaplib.IMAP4.close`, except that no messages are "
"permanently removed from the currently selected mailbox. (Contributed by "
"Donghee Na in :issue:`40375`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:518
msgid "importlib"
msgstr "importlib"

#: ../../whatsnew/3.9.rst:520
msgid ""
"To improve consistency with import statements, :func:`importlib.util."
"resolve_name` now raises :exc:`ImportError` instead of :exc:`ValueError` for "
"invalid relative import attempts. (Contributed by Ngalim Siregar in :issue:"
"`37444`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:525
msgid ""
"Import loaders which publish immutable module objects can now publish "
"immutable packages in addition to individual modules. (Contributed by Dino "
"Viehland in :issue:`39336`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:529
msgid ""
"Added :func:`importlib.resources.files` function with support for "
"subdirectories in package data, matching backport in ``importlib_resources`` "
"version 1.5. (Contributed by Jason R. Coombs in :issue:`39791`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:534
msgid ""
"Refreshed ``importlib.metadata`` from ``importlib_metadata`` version 1.6.1."
msgstr ""

#: ../../whatsnew/3.9.rst:537
msgid "inspect"
msgstr "inspect"

#: ../../whatsnew/3.9.rst:539
msgid ""
":attr:`inspect.BoundArguments.arguments` is changed from ``OrderedDict`` to "
"regular dict.  (Contributed by Inada Naoki in :issue:`36350` and :issue:"
"`39775`.)"
msgstr ""
":attr:`inspect.BoundArguments.arguments` は ``OrderedDict`` から標準のdictに"
"変更されました。(Inada Naoki の貢献による :issue:`36350`, :issue:`39775`)"

#: ../../whatsnew/3.9.rst:543
msgid "ipaddress"
msgstr "ipaddress"

#: ../../whatsnew/3.9.rst:545
msgid ""
":mod:`ipaddress` now supports IPv6 Scoped Addresses (IPv6 address with "
"suffix ``%<scope_id>``)."
msgstr ""

#: ../../whatsnew/3.9.rst:547
msgid ""
"Scoped IPv6 addresses can be parsed using :class:`ipaddress.IPv6Address`. If "
"present, scope zone ID is available through the :attr:`~ipaddress."
"IPv6Address.scope_id` attribute. (Contributed by Oleksandr Pavliuk in :issue:"
"`34788`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:551
msgid ""
"Starting with Python 3.9.5 the :mod:`ipaddress` module no longer accepts any "
"leading zeros in IPv4 address strings. (Contributed by Christian Heimes in :"
"issue:`36384`)."
msgstr ""

#: ../../whatsnew/3.9.rst:556
msgid "math"
msgstr "math"

#: ../../whatsnew/3.9.rst:558
msgid ""
"Expanded the :func:`math.gcd` function to handle multiple arguments. "
"Formerly, it only supported two arguments. (Contributed by Serhiy Storchaka "
"in :issue:`39648`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:562
msgid ""
"Added :func:`math.lcm`: return the least common multiple of specified "
"arguments. (Contributed by Mark Dickinson, Ananthakrishnan and Serhiy "
"Storchaka in :issue:`39479` and :issue:`39648`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:566
msgid ""
"Added :func:`math.nextafter`: return the next floating-point value after *x* "
"towards *y*. (Contributed by Victor Stinner in :issue:`39288`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:570
msgid ""
"Added :func:`math.ulp`: return the value of the least significant bit of a "
"float. (Contributed by Victor Stinner in :issue:`39310`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:575
msgid "multiprocessing"
msgstr "multiprocessing"

#: ../../whatsnew/3.9.rst:577
msgid ""
"The :class:`multiprocessing.SimpleQueue` class has a new :meth:"
"`~multiprocessing.SimpleQueue.close` method to explicitly close the queue. "
"(Contributed by Victor Stinner in :issue:`30966`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:583
msgid "nntplib"
msgstr "nntplib"

#: ../../whatsnew/3.9.rst:585
msgid ""
":class:`!NNTP` and :class:`!NNTP_SSL` now raise a :class:`ValueError` if the "
"given timeout for their constructor is zero to prevent the creation of a non-"
"blocking socket. (Contributed by Donghee Na in :issue:`39259`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:590
msgid "os"
msgstr "os"

#: ../../whatsnew/3.9.rst:592
msgid ""
"Added :const:`~os.CLD_KILLED` and :const:`~os.CLD_STOPPED` for :attr:`!"
"si_code`. (Contributed by Donghee Na in :issue:`38493`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:595
msgid ""
"Exposed the Linux-specific :func:`os.pidfd_open` (:issue:`38692`) and :const:"
"`os.P_PIDFD` (:issue:`38713`) for process management with file descriptors."
msgstr ""

#: ../../whatsnew/3.9.rst:599
msgid ""
"The :func:`os.unsetenv` function is now also available on Windows. "
"(Contributed by Victor Stinner in :issue:`39413`.)"
msgstr ""
":func:`os.unsetenv` 関数が、Windowsでも使えるようになりました。(:issue:"
"`39413` におけるVictor Stinnerの貢献による)"

#: ../../whatsnew/3.9.rst:602
msgid ""
"The :func:`os.putenv` and :func:`os.unsetenv` functions are now always "
"available. (Contributed by Victor Stinner in :issue:`39395`.)"
msgstr ""
":func:`os.putenv` と :func:`os.unsetenv` 関数が、常に利用できるようになりまし"
"た。(:issue:`39395` におけるVictor Stinnerの貢献による)"

#: ../../whatsnew/3.9.rst:606
msgid ""
"Added :func:`os.waitstatus_to_exitcode` function: convert a wait status to "
"an exit code. (Contributed by Victor Stinner in :issue:`40094`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:611
msgid "pathlib"
msgstr "pathlib"

#: ../../whatsnew/3.9.rst:613
msgid ""
"Added :meth:`pathlib.Path.readlink` which acts similarly to :func:`os."
"readlink`. (Contributed by Girts Folkmanis in :issue:`30618`)"
msgstr ""

#: ../../whatsnew/3.9.rst:618
msgid "pdb"
msgstr "pdb"

#: ../../whatsnew/3.9.rst:620
msgid ""
"On Windows now :class:`~pdb.Pdb` supports ``~/.pdbrc``. (Contributed by Tim "
"Hopper and Dan Lidral-Porter in :issue:`20523`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:624
msgid "poplib"
msgstr "poplib"

#: ../../whatsnew/3.9.rst:626
msgid ""
":class:`~poplib.POP3` and :class:`~poplib.POP3_SSL` now raise a :class:"
"`ValueError` if the given timeout for their constructor is zero to prevent "
"the creation of a non-blocking socket. (Contributed by Donghee Na in :issue:"
"`39259`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:631
msgid "pprint"
msgstr "pprint"

#: ../../whatsnew/3.9.rst:633
msgid ""
":mod:`pprint` can now pretty-print :class:`types.SimpleNamespace`. "
"(Contributed by Carl Bordum Hansen in :issue:`37376`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:637
msgid "pydoc"
msgstr "pydoc"

#: ../../whatsnew/3.9.rst:639
msgid ""
"The documentation string is now shown not only for class, function, method "
"etc, but for any object that has its own :attr:`~definition.__doc__` "
"attribute. (Contributed by Serhiy Storchaka in :issue:`40257`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:645
msgid "random"
msgstr "random"

#: ../../whatsnew/3.9.rst:647
msgid ""
"Added a new :attr:`random.Random.randbytes` method: generate random bytes. "
"(Contributed by Victor Stinner in :issue:`40286`.)"
msgstr ""
"ランダムなbytesを生成する :attr:`random.Random.randbytes` メソッドが追加され"
"ました。(Victor Stinner による貢献 :issue:`40286`)"

#: ../../whatsnew/3.9.rst:651
msgid "signal"
msgstr "signal"

#: ../../whatsnew/3.9.rst:653
msgid ""
"Exposed the Linux-specific :func:`signal.pidfd_send_signal` for sending to "
"signals to a process using a file descriptor instead of a pid. (:issue:"
"`38712`)"
msgstr ""

#: ../../whatsnew/3.9.rst:657
msgid "smtplib"
msgstr "smtplib"

#: ../../whatsnew/3.9.rst:659
msgid ""
":class:`~smtplib.SMTP` and :class:`~smtplib.SMTP_SSL` now raise a :class:"
"`ValueError` if the given timeout for their constructor is zero to prevent "
"the creation of a non-blocking socket. (Contributed by Donghee Na in :issue:"
"`39259`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:663
msgid ""
":class:`~smtplib.LMTP` constructor  now has an optional *timeout* parameter. "
"(Contributed by Donghee Na in :issue:`39329`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:667
msgid "socket"
msgstr "socket"

#: ../../whatsnew/3.9.rst:669
msgid ""
"The :mod:`socket` module now exports the :const:`~socket."
"CAN_RAW_JOIN_FILTERS` constant on Linux 4.1 and greater. (Contributed by "
"Stefan Tatschner and Zackery Spytz in :issue:`25780`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:673
msgid ""
"The socket module now supports the :const:`~socket.CAN_J1939` protocol on "
"platforms that support it.  (Contributed by Karl Ding in :issue:`40291`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:676
msgid ""
"The socket module now has the :func:`socket.send_fds` and :func:`socket."
"recv_fds` functions. (Contributed by Joannah Nanjekye, Shinya Okano and "
"Victor Stinner in :issue:`28724`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:682
msgid "time"
msgstr "time"

#: ../../whatsnew/3.9.rst:684
msgid ""
"On AIX, :func:`~time.thread_time` is now implemented with "
"``thread_cputime()`` which has nanosecond resolution, rather than "
"``clock_gettime(CLOCK_THREAD_CPUTIME_ID)`` which has a resolution of 10 "
"milliseconds. (Contributed by Batuhan Taskaya in :issue:`40192`)"
msgstr ""

#: ../../whatsnew/3.9.rst:690
msgid "sys"
msgstr "sys"

#: ../../whatsnew/3.9.rst:692
msgid ""
"Added a new :data:`sys.platlibdir` attribute: name of the platform-specific "
"library directory. It is used to build the path of standard library and the "
"paths of installed extension modules. It is equal to ``\"lib\"`` on most "
"platforms.  On Fedora and SuSE, it is equal to ``\"lib64\"`` on 64-bit "
"platforms. (Contributed by Jan Matějek, Matěj Cepl, Charalampos Stratakis "
"and Victor Stinner in :issue:`1294959`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:698
msgid ""
"Previously, :data:`sys.stderr` was block-buffered when non-interactive. Now "
"``stderr`` defaults to always being line-buffered. (Contributed by Jendrik "
"Seipp in :issue:`13601`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:703
msgid "tracemalloc"
msgstr "tracemalloc"

#: ../../whatsnew/3.9.rst:705
msgid ""
"Added :func:`tracemalloc.reset_peak` to set the peak size of traced memory "
"blocks to the current size, to measure the peak of specific pieces of code. "
"(Contributed by Huon Wilson in :issue:`40630`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:710 ../../whatsnew/3.9.rst:1493
msgid "typing"
msgstr "typing"

#: ../../whatsnew/3.9.rst:712
msgid ""
":pep:`593` introduced an :data:`typing.Annotated` type to decorate existing "
"types with context-specific metadata and new ``include_extras`` parameter "
"to :func:`typing.get_type_hints` to access the metadata at runtime. "
"(Contributed by Till Varoquaux and Konstantin Kashin.)"
msgstr ""

#: ../../whatsnew/3.9.rst:718
msgid "unicodedata"
msgstr "unicodedata"

#: ../../whatsnew/3.9.rst:720
msgid ""
"The Unicode database has been updated to version 13.0.0. (:issue:`39926`)."
msgstr ""
"Unicode データベースが、バージョン 13.0.0 に更新されました。(:issue:`39926`)"

#: ../../whatsnew/3.9.rst:723
msgid "venv"
msgstr "venv"

#: ../../whatsnew/3.9.rst:725
msgid ""
"The activation scripts provided by :mod:`venv` now all specify their prompt "
"customization consistently by always using the value specified by "
"``__VENV_PROMPT__``. Previously some scripts unconditionally used "
"``__VENV_PROMPT__``, others only if it happened to be set (which was the "
"default case), and one used ``__VENV_NAME__`` instead. (Contributed by Brett "
"Cannon in :issue:`37663`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:733
msgid "xml"
msgstr "xml"

#: ../../whatsnew/3.9.rst:735
msgid ""
"White space characters within attributes are now preserved when serializing :"
"mod:`xml.etree.ElementTree` to XML file. EOLNs are no longer normalized to "
"\"\\n\". This is the result of discussion about how to interpret section "
"2.11 of XML spec. (Contributed by Mefistotelis in :issue:`39011`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:743
msgid "Optimizations"
msgstr "最適化"

#: ../../whatsnew/3.9.rst:745
msgid ""
"Optimized the idiom for assignment a temporary variable in comprehensions. "
"Now ``for y in [expr]`` in comprehensions is as fast as a simple assignment "
"``y = expr``.  For example:"
msgstr ""

#: ../../whatsnew/3.9.rst:749
msgid "sums = [s for s in [0] for x in data for s in [s + x]]"
msgstr ""

#: ../../whatsnew/3.9.rst:751
msgid ""
"Unlike the ``:=`` operator this idiom does not leak a variable to the outer "
"scope."
msgstr ""

#: ../../whatsnew/3.9.rst:754
msgid "(Contributed by Serhiy Storchaka in :issue:`32856`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:756
msgid ""
"Optimized signal handling in multithreaded applications. If a thread "
"different than the main thread gets a signal, the bytecode evaluation loop "
"is no longer interrupted at each bytecode instruction to check for pending "
"signals which cannot be handled. Only the main thread of the main "
"interpreter can handle signals."
msgstr ""

#: ../../whatsnew/3.9.rst:762
msgid ""
"Previously, the bytecode evaluation loop was interrupted at each instruction "
"until the main thread handles signals. (Contributed by Victor Stinner in :"
"issue:`40010`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:766
msgid ""
"Optimized the :mod:`subprocess` module on FreeBSD using ``closefrom()``. "
"(Contributed by Ed Maste, Conrad Meyer, Kyle Evans, Kubilay Kocak and Victor "
"Stinner in :issue:`38061`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:770
msgid ""
":c:func:`PyLong_FromDouble` is now up to 1.87x faster for values that fit "
"into :c:expr:`long`. (Contributed by Sergey Fedoseev in :issue:`37986`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:774
msgid ""
"A number of Python builtins (:class:`range`, :class:`tuple`, :class:`set`, :"
"class:`frozenset`, :class:`list`, :class:`dict`) are now sped up by using :"
"pep:`590` vectorcall protocol. (Contributed by Donghee Na, Mark Shannon, "
"Jeroen Demeyer and Petr Viktorin in :issue:`37207`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:779
msgid ""
"Optimized :func:`~set.difference_update` for the case when the other set is "
"much larger than the base set. (Suggested by Evgeny Kapun with code "
"contributed by Michele Orrù in :issue:`8425`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:783
msgid ""
"Python's small object allocator (``obmalloc.c``) now allows (no more than) "
"one empty arena to remain available for immediate reuse, without returning "
"it to the OS.  This prevents thrashing in simple loops where an arena could "
"be created and destroyed anew on each iteration. (Contributed by Tim Peters "
"in :issue:`37257`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:789
msgid ""
":term:`floor division` of float operation now has a better performance. Also "
"the message of :exc:`ZeroDivisionError` for this operation is updated. "
"(Contributed by Donghee Na in :issue:`39434`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:793
msgid ""
"Decoding short ASCII strings with UTF-8 and ascii codecs is now about 15% "
"faster.  (Contributed by Inada Naoki in :issue:`37348`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:796
msgid ""
"Here's a summary of performance improvements from Python 3.4 through Python "
"3.9:"
msgstr ""

#: ../../whatsnew/3.9.rst:798
msgid ""
"Python version                       3.4     3.5     3.6     3.7     3.8    "
"3.9\n"
"--------------                       ---     ---     ---     ---     ---    "
"---\n"
"\n"
"Variable and attribute read access:\n"
"    read_local                       7.1     7.1     5.4     5.1     3.9    "
"3.9\n"
"    read_nonlocal                    7.1     8.1     5.8     5.4     4.4    "
"4.5\n"
"    read_global                     15.5    19.0    14.3    13.6     7.6    "
"7.8\n"
"    read_builtin                    21.1    21.6    18.5    19.0     7.5    "
"7.8\n"
"    read_classvar_from_class        25.6    26.5    20.7    19.5    18.4   "
"17.9\n"
"    read_classvar_from_instance     22.8    23.5    18.8    17.1    16.4   "
"16.9\n"
"    read_instancevar                32.4    33.1    28.0    26.3    25.4   "
"25.3\n"
"    read_instancevar_slots          27.8    31.3    20.8    20.8    20.2   "
"20.5\n"
"    read_namedtuple                 73.8    57.5    45.0    46.8    18.4   "
"18.7\n"
"    read_boundmethod                37.6    37.9    29.6    26.9    27.7   "
"41.1\n"
"\n"
"Variable and attribute write access:\n"
"    write_local                      8.7     9.3     5.5     5.3     4.3    "
"4.3\n"
"    write_nonlocal                  10.5    11.1     5.6     5.5     4.7    "
"4.8\n"
"    write_global                    19.7    21.2    18.0    18.0    15.8   "
"16.7\n"
"    write_classvar                  92.9    96.0   104.6   102.1    39.2   "
"39.8\n"
"    write_instancevar               44.6    45.8    40.0    38.9    35.5   "
"37.4\n"
"    write_instancevar_slots         35.6    36.1    27.3    26.6    25.7   "
"25.8\n"
"\n"
"Data structure read access:\n"
"    read_list                       24.2    24.5    20.8    20.8    19.0   "
"19.5\n"
"    read_deque                      24.7    25.5    20.2    20.6    19.8   "
"20.2\n"
"    read_dict                       24.3    25.7    22.3    23.0    21.0   "
"22.4\n"
"    read_strdict                    22.6    24.3    19.5    21.2    18.9   "
"21.5\n"
"\n"
"Data structure write access:\n"
"    write_list                      27.1    28.5    22.5    21.6    20.0   "
"20.0\n"
"    write_deque                     28.7    30.1    22.7    21.8    23.5   "
"21.7\n"
"    write_dict                      31.4    33.3    29.3    29.2    24.7   "
"25.4\n"
"    write_strdict                   28.4    29.9    27.5    25.2    23.1   "
"24.5\n"
"\n"
"Stack (or queue) operations:\n"
"    list_append_pop                 93.4   112.7    75.4    74.2    50.8   "
"50.6\n"
"    deque_append_pop                43.5    57.0    49.4    49.2    42.5   "
"44.2\n"
"    deque_append_popleft            43.7    57.3    49.7    49.7    42.8   "
"46.4\n"
"\n"
"Timing loop:\n"
"    loop_overhead                    0.5     0.6     0.4     0.3     0.3    "
"0.3"
msgstr ""

#: ../../whatsnew/3.9.rst:843
msgid ""
"These results were generated from the variable access benchmark script at: "
"``Tools/scripts/var_access_benchmark.py``. The benchmark script displays "
"timings in nanoseconds.  The benchmarks were measured on an `Intel® Core™ "
"i7-4960HQ processor <https://ark.intel.com/content/www/us/en/ark/"
"products/76088/intel-core-i7-4960hq-processor-6m-cache-up-to-3-80-ghz."
"html>`_ running the macOS 64-bit builds found at `python.org <https://www."
"python.org/downloads/macos/>`_."
msgstr ""

#: ../../whatsnew/3.9.rst:853
msgid "Deprecated"
msgstr "非推奨"

#: ../../whatsnew/3.9.rst:855
msgid ""
"The distutils ``bdist_msi`` command is now deprecated, use ``bdist_wheel`` "
"(wheel packages) instead. (Contributed by Hugo van Kemenade in :issue:"
"`39586`.)"
msgstr ""
"distutilsの ``bdist_msi`` コマンドは、現在非推奨です。代わりに、"
"``bdist_wheel`` (wheelパッケージ)を使って下さい。 ( :issue:`39586` でのHugo "
"van Kemenadeによる貢献による)"

#: ../../whatsnew/3.9.rst:859
msgid ""
"Currently :func:`math.factorial` accepts :class:`float` instances with non-"
"negative integer values (like ``5.0``).  It raises a :exc:`ValueError` for "
"non-integral and negative floats.  It is now deprecated.  In future Python "
"versions it will raise a :exc:`TypeError` for all floats. (Contributed by "
"Serhiy Storchaka in :issue:`37315`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:865
msgid ""
"The :mod:`!parser` and :mod:`!symbol` modules are deprecated and will be "
"removed in future versions of Python. For the majority of use cases, users "
"can leverage the Abstract Syntax Tree (AST) generation and compilation "
"stage, using the :mod:`ast` module."
msgstr ""

#: ../../whatsnew/3.9.rst:870
msgid ""
"The Public C API functions :c:func:`!PyParser_SimpleParseStringFlags`, :c:"
"func:`!PyParser_SimpleParseStringFlagsFilename`, :c:func:`!"
"PyParser_SimpleParseFileFlags` and :c:func:`!PyNode_Compile` are deprecated "
"and will be removed in Python 3.10 together with the old parser."
msgstr ""

#: ../../whatsnew/3.9.rst:875
msgid ""
"Using :data:`NotImplemented` in a boolean context has been deprecated, as it "
"is almost exclusively the result of incorrect rich comparator "
"implementations. It will be made a :exc:`TypeError` in a future version of "
"Python. (Contributed by Josh Rosenberg in :issue:`35712`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:881
msgid ""
"The :mod:`random` module currently accepts any hashable type as a possible "
"seed value.  Unfortunately, some of those types are not guaranteed to have a "
"deterministic hash value.  After Python 3.9, the module will restrict its "
"seeds to :const:`None`, :class:`int`, :class:`float`, :class:`str`, :class:"
"`bytes`, and :class:`bytearray`."
msgstr ""

#: ../../whatsnew/3.9.rst:887
msgid ""
"Opening the :class:`~gzip.GzipFile` file for writing without specifying the "
"*mode* argument is deprecated.  In future Python versions it will always be "
"opened for reading by default.  Specify the *mode* argument for opening it "
"for writing and silencing a warning. (Contributed by Serhiy Storchaka in :"
"issue:`28286`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:893
msgid ""
"Deprecated the ``split()`` method of :class:`!_tkinter.TkappType` in favour "
"of the ``splitlist()`` method which has more consistent and predictable "
"behavior. (Contributed by Serhiy Storchaka in :issue:`38371`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:898
msgid ""
"The explicit passing of coroutine objects to :func:`asyncio.wait` has been "
"deprecated and will be removed in version 3.11. (Contributed by Yury "
"Selivanov and Kyle Stanley in :issue:`34790`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:902
msgid ""
"binhex4 and hexbin4 standards are now deprecated. The :mod:`!binhex` module "
"and the following :mod:`binascii` functions are now deprecated:"
msgstr ""

#: ../../whatsnew/3.9.rst:905
msgid ":func:`!b2a_hqx`, :func:`!a2b_hqx`"
msgstr ""

#: ../../whatsnew/3.9.rst:906
msgid ":func:`!rlecode_hqx`, :func:`!rledecode_hqx`"
msgstr ""

#: ../../whatsnew/3.9.rst:908
msgid "(Contributed by Victor Stinner in :issue:`39353`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:910
msgid ""
":mod:`ast` classes ``slice``, ``Index`` and ``ExtSlice`` are considered "
"deprecated and will be removed in future Python versions.  ``value`` itself "
"should be used instead of ``Index(value)``.  ``Tuple(slices, Load())`` "
"should be used instead of ``ExtSlice(slices)``. (Contributed by Serhiy "
"Storchaka in :issue:`34822`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:916
msgid ""
":mod:`ast` classes ``Suite``, ``Param``, ``AugLoad`` and ``AugStore`` are "
"considered deprecated and will be removed in future Python versions. They "
"were not generated by the parser and not accepted by the code generator in "
"Python 3. (Contributed by Batuhan Taskaya in :issue:`39639` and :issue:"
"`39969` and Serhiy Storchaka in :issue:`39988`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:923
msgid ""
"The :c:func:`!PyEval_InitThreads` and :c:func:`!PyEval_ThreadsInitialized` "
"functions are now deprecated and will be removed in Python 3.11. Calling :c:"
"func:`!PyEval_InitThreads` now does nothing. The :term:`GIL` is initialized "
"by :c:func:`Py_Initialize` since Python 3.7. (Contributed by Victor Stinner "
"in :issue:`39877`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:929
msgid ""
"Passing ``None`` as the first argument to the :func:`shlex.split` function "
"has been deprecated.  (Contributed by Zackery Spytz in :issue:`33262`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:932
msgid ""
":func:`!smtpd.MailmanProxy` is now deprecated as it is unusable without an "
"external module, ``mailman``.  (Contributed by Samuel Colvin in :issue:"
"`35800`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:935
msgid ""
"The :mod:`!lib2to3` module now emits a :exc:`PendingDeprecationWarning`. "
"Python 3.9 switched to a PEG parser (see :pep:`617`), and Python 3.10 may "
"include new language syntax that is not parsable by lib2to3's LL(1) parser. "
"The :mod:`!lib2to3` module may be removed from the standard library in a "
"future Python version. Consider third-party alternatives such as `LibCST`_ "
"or `parso`_. (Contributed by Carl Meyer in :issue:`40360`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:943
msgid ""
"The *random* parameter of :func:`random.shuffle` has been deprecated. "
"(Contributed by Raymond Hettinger in :issue:`40465`)"
msgstr ""
":func:`random.shuffle` の*random* パラメータは非推奨になりました。(Raymond "
"Hettingerの貢献による :issue:`40465`)"

#: ../../whatsnew/3.9.rst:952 ../../whatsnew/3.9.rst:1407
msgid "Removed"
msgstr "削除"

#: ../../whatsnew/3.9.rst:954
msgid ""
"The erroneous version at :data:`!unittest.mock.__version__` has been removed."
msgstr ""

#: ../../whatsnew/3.9.rst:956
msgid ""
":class:`!nntplib.NNTP`: ``xpath()`` and ``xgtitle()`` methods have been "
"removed. These methods are deprecated since Python 3.3. Generally, these "
"extensions are not supported or not enabled by NNTP server administrators. "
"For ``xgtitle()``, please use :meth:`!nntplib.NNTP.descriptions` or :meth:`!"
"nntplib.NNTP.description` instead. (Contributed by Donghee Na in :issue:"
"`39366`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:963
msgid ""
":class:`array.array`: ``tostring()`` and ``fromstring()`` methods have been "
"removed. They were aliases to ``tobytes()`` and ``frombytes()``, deprecated "
"since Python 3.2. (Contributed by Victor Stinner in :issue:`38916`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:968
msgid ""
"The undocumented ``sys.callstats()`` function has been removed. Since Python "
"3.7, it was deprecated and always returned :const:`None`. It required a "
"special build option ``CALL_PROFILE`` which was already removed in Python "
"3.7. (Contributed by Victor Stinner in :issue:`37414`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:973
msgid ""
"The ``sys.getcheckinterval()`` and ``sys.setcheckinterval()`` functions have "
"been removed. They were deprecated since Python 3.2. Use :func:`sys."
"getswitchinterval` and :func:`sys.setswitchinterval` instead. (Contributed "
"by Victor Stinner in :issue:`37392`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:978
msgid ""
"The C function ``PyImport_Cleanup()`` has been removed. It was documented "
"as: \"Empty the module table.  For internal use only.\" (Contributed by "
"Victor Stinner in :issue:`36710`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:982
msgid ""
"``_dummy_thread`` and ``dummy_threading`` modules have been removed. These "
"modules were deprecated since Python 3.7 which requires threading support. "
"(Contributed by Victor Stinner in :issue:`37312`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:986
msgid ""
"``aifc.openfp()`` alias to ``aifc.open()``, ``sunau.openfp()`` alias to "
"``sunau.open()``, and ``wave.openfp()`` alias to :func:`wave.open` have been "
"removed. They were deprecated since Python 3.7. (Contributed by Victor "
"Stinner in :issue:`37320`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:991
msgid ""
"The :meth:`!isAlive` method of :class:`threading.Thread` has been removed. "
"It was deprecated since Python 3.8. Use :meth:`~threading.Thread.is_alive` "
"instead. (Contributed by Donghee Na in :issue:`37804`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:996
msgid ""
"Methods ``getchildren()`` and ``getiterator()`` of classes :class:`~xml."
"etree.ElementTree.ElementTree` and :class:`~xml.etree.ElementTree.Element` "
"in the :mod:`~xml.etree.ElementTree` module have been removed.  They were "
"deprecated in Python 3.2. Use ``iter(x)`` or ``list(x)`` instead of ``x."
"getchildren()`` and ``x.iter()`` or ``list(x.iter())`` instead of ``x."
"getiterator()``. (Contributed by Serhiy Storchaka in :issue:`36543`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1004
msgid ""
"The old :mod:`plistlib` API has been removed, it was deprecated since Python "
"3.4. Use the :func:`~plistlib.load`, :func:`~plistlib.loads`, :func:"
"`~plistlib.dump`, and :func:`~plistlib.dumps` functions. Additionally, the "
"*use_builtin_types* parameter was removed, standard :class:`bytes` objects "
"are always used instead. (Contributed by Jon Janzen in :issue:`36409`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1010
msgid ""
"The C function ``PyGen_NeedsFinalizing`` has been removed. It was not "
"documented, tested, or used anywhere within CPython after the implementation "
"of :pep:`442`. Patch by Joannah Nanjekye. (Contributed by Joannah Nanjekye "
"in :issue:`15088`)"
msgstr ""

#: ../../whatsnew/3.9.rst:1015
msgid ""
"``base64.encodestring()`` and ``base64.decodestring()``, aliases deprecated "
"since Python 3.1, have been removed: use :func:`base64.encodebytes` and :"
"func:`base64.decodebytes` instead. (Contributed by Victor Stinner in :issue:"
"`39351`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1020
msgid ""
"``fractions.gcd()`` function has been removed, it was deprecated since "
"Python 3.5 (:issue:`22486`): use :func:`math.gcd` instead. (Contributed by "
"Victor Stinner in :issue:`39350`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1024
msgid ""
"The *buffering* parameter of :class:`bz2.BZ2File` has been removed. Since "
"Python 3.0, it was ignored and using it emitted a :exc:`DeprecationWarning`. "
"Pass an open file object to control how the file is opened. (Contributed by "
"Victor Stinner in :issue:`39357`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1029
msgid ""
"The *encoding* parameter of :func:`json.loads` has been removed. As of "
"Python 3.1, it was deprecated and ignored; using it has emitted a :exc:"
"`DeprecationWarning` since Python 3.8. (Contributed by Inada Naoki in :issue:"
"`39377`)"
msgstr ""

#: ../../whatsnew/3.9.rst:1034
msgid ""
"``with (await asyncio.lock):`` and ``with (yield from asyncio.lock):`` "
"statements are not longer supported, use ``async with lock`` instead.  The "
"same is correct for ``asyncio.Condition`` and ``asyncio.Semaphore``. "
"(Contributed by Andrew Svetlov in :issue:`34793`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1039
msgid ""
"The :func:`!sys.getcounts` function, the ``-X showalloccount`` command line "
"option and the ``show_alloc_count`` field of the C structure :c:type:"
"`PyConfig` have been removed. They required a special Python build by "
"defining ``COUNT_ALLOCS`` macro. (Contributed by Victor Stinner in :issue:"
"`39489`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1045
msgid ""
"The ``_field_types`` attribute of the :class:`typing.NamedTuple` class has "
"been removed.  It was deprecated since Python 3.8.  Use the "
"``__annotations__`` attribute instead. (Contributed by Serhiy Storchaka in :"
"issue:`40182`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1050
msgid ""
"The :meth:`!symtable.SymbolTable.has_exec` method has been removed. It was "
"deprecated since 2006, and only returning ``False`` when it's called. "
"(Contributed by Batuhan Taskaya in :issue:`40208`)"
msgstr ""

#: ../../whatsnew/3.9.rst:1054
msgid ""
"The :meth:`!asyncio.Task.current_task` and :meth:`!asyncio.Task.all_tasks` "
"have been removed. They were deprecated since Python 3.7 and you can use :"
"func:`asyncio.current_task` and :func:`asyncio.all_tasks` instead. "
"(Contributed by Rémi Lapeyre in :issue:`40967`)"
msgstr ""

#: ../../whatsnew/3.9.rst:1059
msgid ""
"The ``unescape()`` method in the :class:`html.parser.HTMLParser` class has "
"been removed (it was deprecated since Python 3.4).  :func:`html.unescape` "
"should be used for converting character references to the corresponding "
"unicode characters."
msgstr ""

#: ../../whatsnew/3.9.rst:1066 ../../whatsnew/3.9.rst:1333
msgid "Porting to Python 3.9"
msgstr "Python 3.9への移植"

#: ../../whatsnew/3.9.rst:1068
msgid ""
"This section lists previously described changes and other bugfixes that may "
"require changes to your code."
msgstr ""
"このセクションでは前述の変更とバグフィックスにより必要となるかもしれないコー"
"ドの変更を列挙します:"

#: ../../whatsnew/3.9.rst:1073
msgid "Changes in the Python API"
msgstr "Python API の変更"

#: ../../whatsnew/3.9.rst:1075
msgid ""
":func:`__import__` and :func:`importlib.util.resolve_name` now raise :exc:"
"`ImportError` where it previously raised :exc:`ValueError`. Callers catching "
"the specific exception type and supporting both Python 3.9 and earlier "
"versions will need to catch both using ``except (ImportError, ValueError):``."
msgstr ""

#: ../../whatsnew/3.9.rst:1080
msgid ""
"The :mod:`venv` activation scripts no longer special-case when "
"``__VENV_PROMPT__`` is set to ``\"\"``."
msgstr ""

#: ../../whatsnew/3.9.rst:1083
msgid ""
"The :meth:`select.epoll.unregister` method no longer ignores the :const:"
"`~errno.EBADF` error. (Contributed by Victor Stinner in :issue:`39239`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1087
msgid ""
"The *compresslevel* parameter of :class:`bz2.BZ2File` became keyword-only, "
"since the *buffering* parameter has been removed. (Contributed by Victor "
"Stinner in :issue:`39357`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1091
msgid ""
"Simplified AST for subscription. Simple indices will be represented by their "
"value, extended slices will be represented as tuples. ``Index(value)`` will "
"return a ``value`` itself, ``ExtSlice(slices)`` will return ``Tuple(slices, "
"Load())``. (Contributed by Serhiy Storchaka in :issue:`34822`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1097
msgid ""
"The :mod:`importlib` module now ignores the :envvar:`PYTHONCASEOK` "
"environment variable when the :option:`-E` or :option:`-I` command line "
"options are being used."
msgstr ""

#: ../../whatsnew/3.9.rst:1101
msgid ""
"The *encoding* parameter has been added to the classes :class:`ftplib.FTP` "
"and :class:`ftplib.FTP_TLS` as a keyword-only parameter, and the default "
"encoding is changed from Latin-1 to UTF-8 to follow :rfc:`2640`."
msgstr ""

#: ../../whatsnew/3.9.rst:1105
msgid ""
":meth:`asyncio.loop.shutdown_default_executor` has been added to :class:"
"`~asyncio.AbstractEventLoop`, meaning alternative event loops that inherit "
"from it should have this method defined. (Contributed by Kyle Stanley in :"
"issue:`34037`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1110
msgid ""
"The constant values of future flags in the :mod:`__future__` module is "
"updated in order to prevent collision with compiler flags. Previously "
"``PyCF_ALLOW_TOP_LEVEL_AWAIT`` was clashing with ``CO_FUTURE_DIVISION``. "
"(Contributed by Batuhan Taskaya in :issue:`39562`)"
msgstr ""

#: ../../whatsnew/3.9.rst:1115
msgid ""
"``array('u')`` now uses :c:type:`wchar_t` as C type instead of "
"``Py_UNICODE``. This change doesn't affect to its behavior because "
"``Py_UNICODE`` is alias of :c:type:`wchar_t` since Python 3.3. (Contributed "
"by Inada Naoki in :issue:`34538`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1120
msgid ""
"The :func:`logging.getLogger` API now returns the root logger when passed "
"the name ``'root'``, whereas previously it returned a non-root logger named "
"``'root'``. This could affect cases where user code explicitly wants a non-"
"root logger named ``'root'``, or instantiates a logger using ``logging."
"getLogger(__name__)`` in some top-level module called ``'root.py'``. "
"(Contributed by Vinay Sajip in :issue:`37742`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1127
msgid ""
"Division handling of :class:`~pathlib.PurePath` now returns :data:"
"`NotImplemented` instead of raising a :exc:`TypeError` when passed something "
"other than an instance of ``str`` or :class:`~pathlib.PurePath`.  This "
"allows creating compatible classes that don't inherit from those mentioned "
"types. (Contributed by Roger Aiudi in :issue:`34775`)."
msgstr ""

#: ../../whatsnew/3.9.rst:1133
msgid ""
"Starting with Python 3.9.5 the :mod:`ipaddress` module no longer accepts any "
"leading zeros in IPv4 address strings. Leading zeros are ambiguous and "
"interpreted as octal notation by some libraries. For example the legacy "
"function :func:`socket.inet_aton` treats leading zeros as octal notatation. "
"glibc implementation of modern :func:`~socket.inet_pton` does not accept any "
"leading zeros. (Contributed by Christian Heimes in :issue:`36384`)."
msgstr ""

#: ../../whatsnew/3.9.rst:1141
msgid ""
":func:`codecs.lookup` now normalizes the encoding name the same way as :func:"
"`encodings.normalize_encoding`, except that :func:`codecs.lookup` also "
"converts the name to lower case. For example, ``\"latex+latin1\"`` encoding "
"name is now normalized to ``\"latex_latin1\"``. (Contributed by Jordon Xu "
"in :issue:`37751`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1149
msgid "Changes in the C API"
msgstr "C API の変更"

#: ../../whatsnew/3.9.rst:1151
msgid ""
"Instances of :ref:`heap-allocated types <heap-types>` (such as those created "
"with :c:func:`PyType_FromSpec` and similar APIs) hold a reference to their "
"type object since Python 3.8. As indicated in the \"Changes in the C API\" "
"of Python 3.8, for the vast majority of cases, there should be no side "
"effect but for types that have a custom :c:member:`~PyTypeObject."
"tp_traverse` function, ensure that all custom ``tp_traverse`` functions of "
"heap-allocated types visit the object's type."
msgstr ""

#: ../../whatsnew/3.9.rst:1161
msgid ""
"int\n"
"foo_traverse(foo_struct *self, visitproc visit, void *arg) {\n"
"// Rest of the traverse function\n"
"#if PY_VERSION_HEX >= 0x03090000\n"
"    // This was not needed before Python 3.9 (Python issue 35810 and 40217)\n"
"    Py_VISIT(Py_TYPE(self));\n"
"#endif\n"
"}"
msgstr ""

#: ../../whatsnew/3.9.rst:1172
msgid ""
"If your traverse function delegates to ``tp_traverse`` of its base class (or "
"another type), ensure that ``Py_TYPE(self)`` is visited only once. Note that "
"only :ref:`heap type <heap-types>` are expected to visit the type in "
"``tp_traverse``."
msgstr ""

#: ../../whatsnew/3.9.rst:1177
msgid "For example, if your ``tp_traverse`` function includes:"
msgstr ""

#: ../../whatsnew/3.9.rst:1179
msgid "base->tp_traverse(self, visit, arg)"
msgstr ""

#: ../../whatsnew/3.9.rst:1183
msgid "then add:"
msgstr ""

#: ../../whatsnew/3.9.rst:1185
msgid ""
"#if PY_VERSION_HEX >= 0x03090000\n"
"    // This was not needed before Python 3.9 (bpo-35810 and bpo-40217)\n"
"    if (base->tp_flags & Py_TPFLAGS_HEAPTYPE) {\n"
"        // a heap type's tp_traverse already visited Py_TYPE(self)\n"
"    } else {\n"
"        Py_VISIT(Py_TYPE(self));\n"
"    }\n"
"#else"
msgstr ""

#: ../../whatsnew/3.9.rst:1196
msgid "(See :issue:`35810` and :issue:`40217` for more information.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1198
msgid ""
"The functions ``PyEval_CallObject``, ``PyEval_CallFunction``, "
"``PyEval_CallMethod`` and ``PyEval_CallObjectWithKeywords`` are deprecated. "
"Use :c:func:`PyObject_Call` and its variants instead. (See more details in :"
"issue:`29548`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1204
msgid "CPython bytecode changes"
msgstr "CPython バイトコードの変更"

#: ../../whatsnew/3.9.rst:1206
msgid ""
"The :opcode:`LOAD_ASSERTION_ERROR` opcode was added for handling the :"
"keyword:`assert` statement. Previously, the assert statement would not work "
"correctly if the :exc:`AssertionError` exception was being shadowed. "
"(Contributed by Zackery Spytz in :issue:`34880`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1211
msgid ""
"The :opcode:`COMPARE_OP` opcode was split into four distinct instructions:"
msgstr ""

#: ../../whatsnew/3.9.rst:1213
msgid "``COMPARE_OP`` for rich comparisons"
msgstr ""

#: ../../whatsnew/3.9.rst:1214
msgid "``IS_OP`` for 'is' and 'is not' tests"
msgstr ""

#: ../../whatsnew/3.9.rst:1215
msgid "``CONTAINS_OP`` for 'in' and 'not in' tests"
msgstr ""

#: ../../whatsnew/3.9.rst:1216
msgid ""
"``JUMP_IF_NOT_EXC_MATCH`` for checking exceptions in 'try-except' statements."
msgstr ""

#: ../../whatsnew/3.9.rst:1219
msgid "(Contributed by Mark Shannon in :issue:`39156`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1223
msgid "Build Changes"
msgstr ""

#: ../../whatsnew/3.9.rst:1225
msgid ""
"Added ``--with-platlibdir`` option to the ``configure`` script: name of the "
"platform-specific library directory, stored in the new :data:`sys."
"platlibdir` attribute. See :data:`sys.platlibdir` attribute for more "
"information. (Contributed by Jan Matějek, Matěj Cepl, Charalampos Stratakis "
"and Victor Stinner in :issue:`1294959`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1231
msgid ""
"The ``COUNT_ALLOCS`` special build macro has been removed. (Contributed by "
"Victor Stinner in :issue:`39489`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1234
msgid ""
"On non-Windows platforms, the :c:func:`!setenv` and :c:func:`!unsetenv` "
"functions are now required to build Python. (Contributed by Victor Stinner "
"in :issue:`39395`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1238
msgid ""
"On non-Windows platforms, creating ``bdist_wininst`` installers is now "
"officially unsupported.  (See :issue:`10945` for more details.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1241
msgid ""
"When building Python on macOS from source, ``_tkinter`` now links with non-"
"system Tcl and Tk frameworks if they are installed in ``/Library/"
"Frameworks``, as had been the case on older releases of macOS. If a macOS "
"SDK is explicitly configured, by using :option:`--enable-universalsdk` or ``-"
"isysroot``, only the SDK itself is searched. The default behavior can still "
"be overridden with ``--with-tcltk-includes`` and ``--with-tcltk-libs``. "
"(Contributed by Ned Deily in :issue:`34956`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1250
msgid ""
"Python can now be built for Windows 10 ARM64. (Contributed by Steve Dower "
"in :issue:`33125`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1253
msgid ""
"Some individual tests are now skipped when ``--pgo`` is used.  The tests in "
"question increased the PGO task time significantly and likely didn't help "
"improve optimization of the final executable. This speeds up the task by a "
"factor of about 15x.  Running the full unit test suite is slow.  This change "
"may result in a slightly less optimized build since not as many code "
"branches will be executed.  If you are willing to wait for the much slower "
"build, the old behavior can be restored using ``./configure [..] "
"PROFILE_TASK=\"-m test --pgo-extended\"``.  We make no guarantees as to "
"which PGO task set produces a faster build.  Users who care should run their "
"own relevant benchmarks as results can depend on the environment, workload, "
"and compiler tool chain. (See :issue:`36044` and :issue:`37707` for more "
"details.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1268
msgid "C API Changes"
msgstr "C API の変更"

#: ../../whatsnew/3.9.rst:1273
msgid ""
":pep:`573`: Added :c:func:`PyType_FromModuleAndSpec` to associate a module "
"with a class; :c:func:`PyType_GetModule` and :c:func:`PyType_GetModuleState` "
"to retrieve the module and its state; and :c:type:`PyCMethod` and :c:macro:"
"`METH_METHOD` to allow a method to access the class it was defined in. "
"(Contributed by Marcel Plch and Petr Viktorin in :issue:`38787`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1280
msgid ""
"Added :c:func:`PyFrame_GetCode` function: get a frame code. Added :c:func:"
"`PyFrame_GetBack` function: get the frame next outer frame. (Contributed by "
"Victor Stinner in :issue:`40421`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1284
msgid ""
"Added :c:func:`PyFrame_GetLineNumber` to the limited C API. (Contributed by "
"Victor Stinner in :issue:`40421`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1287
msgid ""
"Added :c:func:`PyThreadState_GetInterpreter` and :c:func:"
"`PyInterpreterState_Get` functions to get the interpreter. Added :c:func:"
"`PyThreadState_GetFrame` function to get the current frame of a Python "
"thread state. Added :c:func:`PyThreadState_GetID` function: get the unique "
"identifier of a Python thread state. (Contributed by Victor Stinner in :"
"issue:`39947`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1295
msgid ""
"Added a new public :c:func:`PyObject_CallNoArgs` function to the C API, "
"which calls a callable Python object without any arguments. It is the most "
"efficient way to call a callable Python object without any argument. "
"(Contributed by Victor Stinner in :issue:`37194`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1300 ../../whatsnew/3.9.rst:1418
msgid "Changes in the limited C API (if ``Py_LIMITED_API`` macro is defined):"
msgstr ""

#: ../../whatsnew/3.9.rst:1302
msgid ""
"Provide :c:func:`Py_EnterRecursiveCall` and :c:func:`Py_LeaveRecursiveCall` "
"as regular functions for the limited API. Previously, there were defined as "
"macros, but these macros didn't compile with the limited C API which cannot "
"access ``PyThreadState.recursion_depth`` field (the structure is opaque in "
"the limited C API)."
msgstr ""

#: ../../whatsnew/3.9.rst:1308
msgid ""
"``PyObject_INIT()`` and ``PyObject_INIT_VAR()`` become regular \"opaque\" "
"function to hide implementation details."
msgstr ""

#: ../../whatsnew/3.9.rst:1311 ../../whatsnew/3.9.rst:1445
msgid "(Contributed by Victor Stinner in :issue:`38644` and :issue:`39542`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1313
msgid ""
"The :c:func:`PyModule_AddType` function is added to help adding a type to a "
"module. (Contributed by Donghee Na in :issue:`40024`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1317
msgid ""
"Added the functions :c:func:`PyObject_GC_IsTracked` and :c:func:"
"`PyObject_GC_IsFinalized` to the public API to allow to query if Python "
"objects are being currently tracked or have been already finalized by the "
"garbage collector respectively. (Contributed by Pablo Galindo Salgado in :"
"issue:`40241`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1323
msgid ""
"Added :c:func:`!_PyObject_FunctionStr` to get a user-friendly string "
"representation of a function-like object. (Patch by Jeroen Demeyer in :issue:"
"`37645`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1327
msgid ""
"Added :c:func:`PyObject_CallOneArg` for calling an object with one "
"positional argument (Patch by Jeroen Demeyer in :issue:`37483`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1335
msgid ""
"``PyInterpreterState.eval_frame`` (:pep:`523`) now requires a new mandatory "
"*tstate* parameter (``PyThreadState*``). (Contributed by Victor Stinner in :"
"issue:`38500`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1339
msgid ""
"Extension modules: :c:member:`~PyModuleDef.m_traverse`, :c:member:"
"`~PyModuleDef.m_clear` and :c:member:`~PyModuleDef.m_free` functions of :c:"
"type:`PyModuleDef` are no longer called if the module state was requested "
"but is not allocated yet. This is the case immediately after the module is "
"created and before the module is executed (:c:data:`Py_mod_exec` function). "
"More precisely, these functions are not called if :c:member:`~PyModuleDef."
"m_size` is greater than 0 and the module state (as returned by :c:func:"
"`PyModule_GetState`) is ``NULL``."
msgstr ""

#: ../../whatsnew/3.9.rst:1348
msgid ""
"Extension modules without module state (``m_size <= 0``) are not affected."
msgstr ""

#: ../../whatsnew/3.9.rst:1350
msgid ""
"If :c:func:`Py_AddPendingCall` is called in a subinterpreter, the function "
"is now scheduled to be called from the subinterpreter, rather than being "
"called from the main interpreter. Each subinterpreter now has its own list "
"of scheduled calls. (Contributed by Victor Stinner in :issue:`39984`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1356
msgid ""
"The Windows registry is no longer used to initialize :data:`sys.path` when "
"the ``-E`` option is used (if :c:member:`PyConfig.use_environment` is set to "
"``0``). This is significant when embedding Python on Windows. (Contributed "
"by Zackery Spytz in :issue:`8901`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1361
msgid ""
"The global variable :c:data:`PyStructSequence_UnnamedField` is now a "
"constant and refers to a constant string. (Contributed by Serhiy Storchaka "
"in :issue:`38650`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1365
msgid ""
"The :c:type:`!PyGC_Head` structure is now opaque. It is only defined in the "
"internal C API (``pycore_gc.h``). (Contributed by Victor Stinner in :issue:"
"`40241`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1369
msgid ""
"The ``Py_UNICODE_COPY``, ``Py_UNICODE_FILL``, ``PyUnicode_WSTR_LENGTH``, :c:"
"func:`!PyUnicode_FromUnicode`, :c:func:`!PyUnicode_AsUnicode`, "
"``_PyUnicode_AsUnicode``, and :c:func:`!PyUnicode_AsUnicodeAndSize` are "
"marked as deprecated in C.  They have been deprecated by :pep:`393` since "
"Python 3.3. (Contributed by Inada Naoki in :issue:`36346`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1376
msgid ""
"The :c:func:`Py_FatalError` function is replaced with a macro which logs "
"automatically the name of the current function, unless the "
"``Py_LIMITED_API`` macro is defined. (Contributed by Victor Stinner in :"
"issue:`39882`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1381
msgid ""
"The vectorcall protocol now requires that the caller passes only strings as "
"keyword names. (See :issue:`37540` for more information.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1384
msgid ""
"Implementation details of a number of macros and functions are now hidden:"
msgstr ""

#: ../../whatsnew/3.9.rst:1386
msgid ":c:func:`PyObject_IS_GC` macro was converted to a function."
msgstr ""

#: ../../whatsnew/3.9.rst:1388
msgid ""
"The :c:func:`!PyObject_NEW` macro becomes an alias to the :c:macro:"
"`PyObject_New` macro, and the :c:func:`!PyObject_NEW_VAR` macro becomes an "
"alias to the :c:macro:`PyObject_NewVar` macro. They no longer access "
"directly the :c:member:`PyTypeObject.tp_basicsize` member."
msgstr ""

#: ../../whatsnew/3.9.rst:1393
msgid ""
":c:func:`!PyObject_GET_WEAKREFS_LISTPTR` macro was converted to a function: "
"the macro accessed directly the :c:member:`PyTypeObject.tp_weaklistoffset` "
"member."
msgstr ""

#: ../../whatsnew/3.9.rst:1397
msgid ""
":c:func:`PyObject_CheckBuffer` macro was converted to a function: the macro "
"accessed directly the :c:member:`PyTypeObject.tp_as_buffer` member."
msgstr ""

#: ../../whatsnew/3.9.rst:1400
msgid ""
":c:func:`PyIndex_Check` is now always declared as an opaque function to hide "
"implementation details: removed the ``PyIndex_Check()`` macro. The macro "
"accessed directly the :c:member:`PyTypeObject.tp_as_number` member."
msgstr ""

#: ../../whatsnew/3.9.rst:1404
msgid "(See :issue:`40170` for more details.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1409
msgid ""
"Excluded ``PyFPE_START_PROTECT()`` and ``PyFPE_END_PROTECT()`` macros of "
"``pyfpe.h`` from the limited C API. (Contributed by Victor Stinner in :issue:"
"`38835`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1413
msgid ""
"The ``tp_print`` slot of :ref:`PyTypeObject <type-structs>` has been "
"removed. It was used for printing objects to files in Python 2.7 and before. "
"Since Python 3.0, it has been ignored and unused. (Contributed by Jeroen "
"Demeyer in :issue:`36974`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1420
msgid "Excluded the following functions from the limited C API:"
msgstr ""

#: ../../whatsnew/3.9.rst:1422
msgid ""
"``PyThreadState_DeleteCurrent()`` (Contributed by Joannah Nanjekye in :issue:"
"`37878`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1424
msgid "``_Py_CheckRecursionLimit``"
msgstr "``_Py_CheckRecursionLimit``"

#: ../../whatsnew/3.9.rst:1425
msgid "``_Py_NewReference()``"
msgstr "``_Py_NewReference()``"

#: ../../whatsnew/3.9.rst:1426
msgid "``_Py_ForgetReference()``"
msgstr "``_Py_ForgetReference()``"

#: ../../whatsnew/3.9.rst:1427
msgid "``_PyTraceMalloc_NewReference()``"
msgstr "``_PyTraceMalloc_NewReference()``"

#: ../../whatsnew/3.9.rst:1428
msgid "``_Py_GetRefTotal()``"
msgstr "``_Py_GetRefTotal()``"

#: ../../whatsnew/3.9.rst:1429
msgid "The trashcan mechanism which never worked in the limited C API."
msgstr ""

#: ../../whatsnew/3.9.rst:1430
msgid "``PyTrash_UNWIND_LEVEL``"
msgstr "``PyTrash_UNWIND_LEVEL``"

#: ../../whatsnew/3.9.rst:1431
msgid "``Py_TRASHCAN_BEGIN_CONDITION``"
msgstr "``Py_TRASHCAN_BEGIN_CONDITION``"

#: ../../whatsnew/3.9.rst:1432
msgid "``Py_TRASHCAN_BEGIN``"
msgstr "``Py_TRASHCAN_BEGIN``"

#: ../../whatsnew/3.9.rst:1433
msgid "``Py_TRASHCAN_END``"
msgstr "``Py_TRASHCAN_END``"

#: ../../whatsnew/3.9.rst:1434
msgid "``Py_TRASHCAN_SAFE_BEGIN``"
msgstr "``Py_TRASHCAN_SAFE_BEGIN``"

#: ../../whatsnew/3.9.rst:1435
msgid "``Py_TRASHCAN_SAFE_END``"
msgstr "``Py_TRASHCAN_SAFE_END``"

#: ../../whatsnew/3.9.rst:1437
msgid "Moved following functions and definitions to the internal C API:"
msgstr ""

#: ../../whatsnew/3.9.rst:1439
msgid "``_PyDebug_PrintTotalRefs()``"
msgstr "``_PyDebug_PrintTotalRefs()``"

#: ../../whatsnew/3.9.rst:1440
msgid "``_Py_PrintReferences()``"
msgstr "``_Py_PrintReferences()``"

#: ../../whatsnew/3.9.rst:1441
msgid "``_Py_PrintReferenceAddresses()``"
msgstr "``_Py_PrintReferenceAddresses()``"

#: ../../whatsnew/3.9.rst:1442
msgid "``_Py_tracemalloc_config``"
msgstr "``_Py_tracemalloc_config``"

#: ../../whatsnew/3.9.rst:1443
msgid "``_Py_AddToAllObjects()`` (specific to ``Py_TRACE_REFS`` build)"
msgstr ""

#: ../../whatsnew/3.9.rst:1447
msgid ""
"Removed ``_PyRuntime.getframe`` hook and removed ``_PyThreadState_GetFrame`` "
"macro which was an alias to ``_PyRuntime.getframe``. They were only exposed "
"by the internal C API. Removed also ``PyThreadFrameGetter`` type. "
"(Contributed by Victor Stinner in :issue:`39946`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1452
msgid ""
"Removed the following functions from the C API. Call :c:func:`PyGC_Collect` "
"explicitly to clear all free lists. (Contributed by Inada Naoki and Victor "
"Stinner in :issue:`37340`, :issue:`38896` and :issue:`40428`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1457
msgid "``PyAsyncGen_ClearFreeLists()``"
msgstr "``PyAsyncGen_ClearFreeLists()``"

#: ../../whatsnew/3.9.rst:1458
msgid "``PyContext_ClearFreeList()``"
msgstr "``PyContext_ClearFreeList()``"

#: ../../whatsnew/3.9.rst:1459
msgid "``PyDict_ClearFreeList()``"
msgstr "``PyDict_ClearFreeList()``"

#: ../../whatsnew/3.9.rst:1460
msgid "``PyFloat_ClearFreeList()``"
msgstr "``PyFloat_ClearFreeList()``"

#: ../../whatsnew/3.9.rst:1461
msgid "``PyFrame_ClearFreeList()``"
msgstr "``PyFrame_ClearFreeList()``"

#: ../../whatsnew/3.9.rst:1462
msgid "``PyList_ClearFreeList()``"
msgstr "``PyList_ClearFreeList()``"

#: ../../whatsnew/3.9.rst:1463
msgid ""
"``PyMethod_ClearFreeList()`` and ``PyCFunction_ClearFreeList()``: the free "
"lists of bound method objects have been removed."
msgstr ""

#: ../../whatsnew/3.9.rst:1465
msgid ""
"``PySet_ClearFreeList()``: the set free list has been removed in Python 3.4."
msgstr ""

#: ../../whatsnew/3.9.rst:1467
msgid "``PyTuple_ClearFreeList()``"
msgstr "``PyTuple_ClearFreeList()``"

#: ../../whatsnew/3.9.rst:1468
msgid ""
"``PyUnicode_ClearFreeList()``: the Unicode free list has been removed in "
"Python 3.3."
msgstr ""

#: ../../whatsnew/3.9.rst:1471
msgid ""
"Removed ``_PyUnicode_ClearStaticStrings()`` function. (Contributed by Victor "
"Stinner in :issue:`39465`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1474
msgid ""
"Removed ``Py_UNICODE_MATCH``. It has been deprecated by :pep:`393`, and "
"broken since Python 3.3. The :c:func:`PyUnicode_Tailmatch` function can be "
"used instead. (Contributed by Inada Naoki in :issue:`36346`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1479
msgid ""
"Cleaned header files of interfaces defined but with no implementation. The "
"public API symbols being removed are: "
"``_PyBytes_InsertThousandsGroupingLocale``, "
"``_PyBytes_InsertThousandsGrouping``, ``_Py_InitializeFromArgs``, "
"``_Py_InitializeFromWideArgs``, ``_PyFloat_Repr``, ``_PyFloat_Digits``, "
"``_PyFloat_DigitsInit``, ``PyFrame_ExtendStack``, ``_PyAIterWrapper_Type``, "
"``PyNullImporter_Type``, ``PyCmpWrapper_Type``, ``PySortWrapper_Type``, "
"``PyNoArgsFunction``. (Contributed by Pablo Galindo Salgado in :issue:"
"`39372`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1490
msgid "Notable changes in Python 3.9.1"
msgstr "Python 3.9.1 での重要な変更点"

#: ../../whatsnew/3.9.rst:1495
msgid ""
"The behavior of :class:`typing.Literal` was changed to conform with :pep:"
"`586` and to match the behavior of static type checkers specified in the PEP."
msgstr ""

#: ../../whatsnew/3.9.rst:1498
msgid "``Literal`` now de-duplicates parameters."
msgstr ""

#: ../../whatsnew/3.9.rst:1499
msgid ""
"Equality comparisons between ``Literal`` objects are now order independent."
msgstr ""

#: ../../whatsnew/3.9.rst:1500
msgid ""
"``Literal`` comparisons now respect types.  For example, ``Literal[0] == "
"Literal[False]`` previously evaluated to ``True``.  It is now ``False``.  To "
"support this change, the internally used type cache now supports "
"differentiating types."
msgstr ""

#: ../../whatsnew/3.9.rst:1504
msgid ""
"``Literal`` objects will now raise a :exc:`TypeError` exception during "
"equality comparisons if any of their parameters are not :term:`hashable`. "
"Note that declaring ``Literal`` with mutable parameters will not throw an "
"error::"
msgstr ""

#: ../../whatsnew/3.9.rst:1509
msgid ""
">>> from typing import Literal\n"
">>> Literal[{0}]\n"
">>> Literal[{0}] == Literal[{False}]\n"
"Traceback (most recent call last):\n"
"  File \"<stdin>\", line 1, in <module>\n"
"TypeError: unhashable type: 'set'"
msgstr ""

#: ../../whatsnew/3.9.rst:1516
msgid "(Contributed by Yurii Karabas in :issue:`42345`.)"
msgstr "(:issue:`42345` でのYurii Karabasの貢献による)"

#: ../../whatsnew/3.9.rst:1519
msgid "macOS 11.0 (Big Sur) and Apple Silicon Mac support"
msgstr "macOS 11.0 (Big Sur) と Appleシリコンの Mac のサポート"

#: ../../whatsnew/3.9.rst:1521
msgid ""
"As of 3.9.1, Python now fully supports building and running on macOS 11.0 "
"(Big Sur) and on Apple Silicon Macs (based on the ``ARM64`` architecture). A "
"new universal build variant, ``universal2``, is now available to natively "
"support both ``ARM64`` and ``Intel 64`` in one set of executables. Binaries "
"can also now be built on current versions of macOS to be deployed on a range "
"of older macOS versions (tested to 10.9) while making some newer OS "
"functions and options conditionally available based on the operating system "
"version in use at runtime (\"weaklinking\")."
msgstr ""

#: ../../whatsnew/3.9.rst:1530
msgid "(Contributed by Ronald Oussoren and Lawrence D'Anna in :issue:`41100`.)"
msgstr "(:issue:`41100` でのRonald OussorenとLawrence D'Annaの貢献による)"

#: ../../whatsnew/3.9.rst:1533
msgid "Notable changes in Python 3.9.2"
msgstr "Python 3.9.2 での重要な変更点"

#: ../../whatsnew/3.9.rst:1536
msgid "collections.abc"
msgstr "collections.abc"

#: ../../whatsnew/3.9.rst:1538
msgid ""
":class:`collections.abc.Callable` generic now flattens type parameters, "
"similar to what :data:`typing.Callable` currently does.  This means that "
"``collections.abc.Callable[[int, str], str]`` will have ``__args__`` of "
"``(int, str, str)``; previously this was ``([int, str], str)``.  To allow "
"this change, :class:`types.GenericAlias` can now be subclassed, and a "
"subclass will be returned when subscripting the :class:`collections.abc."
"Callable` type. Code which accesses the arguments via :func:`typing."
"get_args` or ``__args__`` need to account for this change.  A :exc:"
"`DeprecationWarning` may be emitted for invalid forms of parameterizing :"
"class:`collections.abc.Callable` which may have passed silently in Python "
"3.9.1.  This :exc:`DeprecationWarning` will become a :exc:`TypeError` in "
"Python 3.10. (Contributed by Ken Jin in :issue:`42195`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1552 ../../whatsnew/3.9.rst:1577
msgid "urllib.parse"
msgstr "urllib.parse"

#: ../../whatsnew/3.9.rst:1554
msgid ""
"Earlier Python versions allowed using both ``;`` and ``&`` as query "
"parameter separators in :func:`urllib.parse.parse_qs` and :func:`urllib."
"parse.parse_qsl`.  Due to security concerns, and to conform with newer W3C "
"recommendations, this has been changed to allow only a single separator key, "
"with ``&`` as the default.  This change also affects :func:`!cgi.parse` and :"
"func:`!cgi.parse_multipart` as they use the affected functions internally. "
"For more details, please see their respective documentation. (Contributed by "
"Adam Goldschmidt, Senthil Kumaran and Ken Jin in :issue:`42967`.)"
msgstr ""

#: ../../whatsnew/3.9.rst:1565
msgid "Notable changes in Python 3.9.3"
msgstr "Python 3.9.3 での重要な変更点"

#: ../../whatsnew/3.9.rst:1567
msgid ""
"A security fix alters the :class:`ftplib.FTP` behavior to not trust the IPv4 "
"address sent from the remote server when setting up a passive data channel.  "
"We reuse the ftp server IP address instead.  For unusual code requiring the "
"old behavior, set a ``trust_server_pasv_ipv4_address`` attribute on your FTP "
"instance to ``True``.  (See :gh:`87451`)"
msgstr ""

#: ../../whatsnew/3.9.rst:1574
msgid "Notable changes in Python 3.9.5"
msgstr "Python 3.9.5での重要な変更点"

#: ../../whatsnew/3.9.rst:1579
msgid ""
"The presence of newline or tab characters in parts of a URL allows for some "
"forms of attacks. Following the WHATWG specification that updates :rfc:"
"`3986`, ASCII newline ``\\n``, ``\\r`` and tab ``\\t`` characters are "
"stripped from the URL by the parser in :mod:`urllib.parse` preventing such "
"attacks. The removal characters are controlled by a new module level "
"variable ``urllib.parse._UNSAFE_URL_BYTES_TO_REMOVE``. (See :gh:`88048`)"
msgstr ""

#: ../../whatsnew/3.9.rst:1587
msgid "Notable security feature in 3.9.14"
msgstr ""

#: ../../whatsnew/3.9.rst:1589
msgid ""
"Converting between :class:`int` and :class:`str` in bases other than 2 "
"(binary), 4, 8 (octal), 16 (hexadecimal), or 32 such as base 10 (decimal) "
"now raises a :exc:`ValueError` if the number of digits in string form is "
"above a limit to avoid potential denial of service attacks due to the "
"algorithmic complexity. This is a mitigation for :cve:`2020-10735`. This "
"limit can be configured or disabled by environment variable, command line "
"flag, or :mod:`sys` APIs. See the :ref:`integer string conversion length "
"limitation <int_max_str_digits>` documentation.  The default limit is 4300 "
"digits in string form."
msgstr ""

#: ../../whatsnew/3.9.rst:1600
msgid "Notable changes in 3.9.17"
msgstr ""

#: ../../whatsnew/3.9.rst:1603
msgid "tarfile"
msgstr "tarfile"

#: ../../whatsnew/3.9.rst:1605
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-filter` for details. In Python 3.12, "
"use without the *filter* argument will show a :exc:`DeprecationWarning`. In "
"Python 3.14, the default will switch to ``'data'``. (Contributed by Petr "
"Viktorin in :pep:`706`.)"
msgstr ""