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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:
# python-doc bot, 2025
# b785ccb154ea7c5e4722f287fb17d327_f3b4082, 2025
# Inada Naoki <songofacandy@gmail.com>, 2026
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: Python 3.15\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2026-10-25 17:19+0000\n"
"PO-Revision-Date: 2025-09-16 00:01+0000\n"
"Last-Translator: Inada Naoki <songofacandy@gmail.com>, 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"
#: ../../library/devmode.rst:4
msgid "Python Development Mode"
msgstr "Python 開発モード"
msgid ""
"The Python Development Mode introduces additional runtime checks that are "
"too expensive to be enabled by default. It should not be more verbose than "
"the default if the code is correct; new warnings are only emitted when an "
"issue is detected."
msgstr ""
"Python 開発モードは、コストが高すぎてデフォルトでは有効にできない追加の実行時"
"チェックを行います。\n"
"コードが正しければ、デフォルトより多くのメッセージが表示されることはないはず"
"です。\n"
"問題を検出したときだけ新たな警告を出します。"
msgid ""
"It can be enabled using the :option:`-X dev <-X>` command line option or by "
"setting the :envvar:`PYTHONDEVMODE` environment variable to ``1``."
msgstr ""
":option:`-X dev <-X>` コマンドラインオプションを使う"
"か、:envvar:`PYTHONDEVMODE` 環境変数を ``1`` に設定すると有効にできます。"
msgid "See also :ref:`Python debug build <debug-build>`."
msgstr ":ref:`Python のデバッグビルド <debug-build>` も参照してください。"
#: ../../library/devmode.rst:19
msgid "Effects of the Python Development Mode"
msgstr "Python 開発モードの影響"
#: ../../library/devmode.rst:21
msgid ""
"Enabling the Python Development Mode is similar to the following command, "
"but with additional effects described below::"
msgstr ""
"Python 開発モードを有効化することは次のコマンドに似ていますが、以下で説明され"
"る追加の影響があります::"
#: ../../library/devmode.rst:24
msgid ""
"PYTHONMALLOC=debug PYTHONASYNCIODEBUG=1 python -W default -X faulthandler"
msgstr ""
"PYTHONMALLOC=debug PYTHONASYNCIODEBUG=1 python -W default -X faulthandler"
#: ../../library/devmode.rst:26
msgid "Effects of the Python Development Mode:"
msgstr "Python 開発モードの影響:"
#: ../../library/devmode.rst:28
msgid ""
"Add ``default`` :ref:`warning filter <describing-warning-filters>`. The "
"following warnings are shown:"
msgstr ""
"``default`` の :ref:`警告フィルタ <describing-warning-filters>` を追加しま"
"す。次の警告が表示されます:"
#: ../../library/devmode.rst:31
msgid ":exc:`DeprecationWarning`"
msgstr ":exc:`DeprecationWarning`"
#: ../../library/devmode.rst:32
msgid ":exc:`ImportWarning`"
msgstr ":exc:`ImportWarning`"
#: ../../library/devmode.rst:33
msgid ":exc:`PendingDeprecationWarning`"
msgstr ":exc:`PendingDeprecationWarning`"
#: ../../library/devmode.rst:34
msgid ":exc:`ResourceWarning`"
msgstr ":exc:`ResourceWarning`"
#: ../../library/devmode.rst:36
msgid ""
"Normally, the above warnings are filtered by the default :ref:`warning "
"filters <describing-warning-filters>`."
msgstr ""
"通常、上記の警告は デフォルトの :ref:`警告フィルタ <describing-warning-"
"filters>` によりフィルタリングされます。"
msgid ""
"It behaves as if the :option:`-W default <-W>` command line option is used."
msgstr ""
":option:`-W default <-W>` コマンドラインオプションを使った場合と同じ動作にな"
"ります。"
msgid ""
"Use the :option:`-W error <-W>` command line option or set "
"the :envvar:`PYTHONWARNINGS` environment variable to ``error`` to treat "
"warnings as errors."
msgstr ""
"警告をエラーとして扱うには、:option:`-W error <-W>` コマンドラインオプション"
"を使うか、:envvar:`PYTHONWARNINGS` 環境変数を ``error`` に設定してください。"
msgid "Install debug hooks on memory allocators to check for:"
msgstr "メモリアロケーターにデバッグフックを設定し、次の問題をチェックします:"
msgid "Buffer underflow"
msgstr "バッファーアンダーフロー"
msgid "Buffer overflow"
msgstr "バッファーオーバーフロー"
msgid "Memory allocator API violation"
msgstr "メモリアロケーター API の規則違反"
msgid "Unsafe usage of the GIL"
msgstr "GIL の安全でない使用"
msgid "See the :c:func:`PyMem_SetupDebugHooks` C function."
msgstr "C 関数 :c:func:`PyMem_SetupDebugHooks` を参照してください。"
msgid ""
"It behaves as if the :envvar:`PYTHONMALLOC` environment variable is set to "
"``debug``."
msgstr ""
":envvar:`PYTHONMALLOC` 環境変数を ``debug`` に設定した場合と同じ動作になりま"
"す。"
msgid ""
"To enable the Python Development Mode without installing debug hooks on "
"memory allocators, set the :envvar:`PYTHONMALLOC` environment variable to "
"``default``."
msgstr ""
"メモリアロケーターにデバッグフックを設定せずに Python 開発モードを有効にする"
"には、:envvar:`PYTHONMALLOC` 環境変数を ``default`` に設定してください。"
msgid ""
"Call :func:`faulthandler.enable` at Python startup to install handlers for "
"the :const:`~signal.SIGSEGV`, :const:`~signal.SIGFPE`, :const:`~signal.SIGABRT`, :const:`~signal.SIGBUS` "
"and :const:`~signal.SIGILL` signals to dump the Python traceback on a crash."
msgstr ""
"Python 起動時に :func:`faulthandler.enable` を呼"
"び、:const:`~signal.SIGSEGV`、:const:`~signal.SIGFPE`、:const:`~signal.SIGABRT`、:const:`~signal.SIGBUS`、:const:`~signal.SIGILL` "
"シグナルのハンドラーを設定して、クラッシュ時に Python のトレースバックを出力"
"します。"
msgid ""
"It behaves as if the :option:`-X faulthandler <-X>` command line option is "
"used or if the :envvar:`PYTHONFAULTHANDLER` environment variable is set to "
"``1``."
msgstr ""
":option:`-X faulthandler <-X>` コマンドラインオプションを使う"
"か、:envvar:`PYTHONFAULTHANDLER` 環境変数を ``1`` に設定した場合と同じ動作に"
"なります。"
msgid ""
"Enable :ref:`asyncio debug mode <asyncio-debug-mode>`. For "
"example, :mod:`asyncio` checks for coroutines that were not awaited and logs "
"them."
msgstr ""
":ref:`asyncio のデバッグモード <asyncio-debug-mode>` を有効にします。\n"
"例えば :mod:`asyncio` は await されなかったコルーチンを検出してログに記録しま"
"す。"
msgid ""
"It behaves as if the :envvar:`PYTHONASYNCIODEBUG` environment variable is "
"set to ``1``."
msgstr ""
":envvar:`PYTHONASYNCIODEBUG` 環境変数を ``1`` に設定した場合と同じ動作になり"
"ます。"
msgid ""
"Check the *encoding* and *errors* arguments for string encoding and decoding "
"operations. Examples: :func:`open`, :meth:`str.encode` "
"and :meth:`bytes.decode`."
msgstr ""
"文字列のエンコードとデコードで *encoding* と *errors* 引数をチェックしま"
"す。\n"
"対象の例として :func:`open`、:meth:`str.encode`、:meth:`bytes.decode` があり"
"ます。"
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."
msgstr ""
"デフォルトでは性能を優先するため、*errors* 引数は最初のエンコードまたはデコー"
"ドのエラー時にだけチェックし、空文字列では *encoding* 引数を無視する場合があ"
"ります。"
msgid "The :class:`io.IOBase` destructor logs ``close()`` exceptions."
msgstr ""
":class:`io.IOBase` のデストラクタが ``close()`` の例外をログに記録します。"
msgid ""
"Set the :attr:`~sys.flags.dev_mode` attribute of :data:`sys.flags` to "
"``True``."
msgstr ""
":data:`sys.flags` の :attr:`~sys.flags.dev_mode` 属性を ``True`` に設定しま"
"す。"
msgid ""
"The Python Development Mode does not enable the :mod:`tracemalloc` module by "
"default, because the overhead cost (to performance and memory) would be too "
"large. Enabling the :mod:`tracemalloc` module provides additional "
"information on the origin of some errors. For "
"example, :exc:`ResourceWarning` logs the traceback where the resource was "
"allocated, and a buffer overflow error logs the traceback where the memory "
"block was allocated."
msgstr ""
"Python 開発モードでは、性能とメモリのオーバーヘッドが大きすぎるた"
"め、:mod:`tracemalloc` モジュールをデフォルトでは有効にしません。\n"
":mod:`tracemalloc` モジュールを有効にすると、一部のエラーの発生元に関する追加"
"情報が得られます。\n"
"例えば :exc:`ResourceWarning` はリソース割り当て時のトレースバックを記録し、"
"バッファーオーバーフローのエラーはメモリブロック割り当て時のトレースバックを"
"記録します。"
msgid ""
"The Python Development Mode does not prevent the :option:`-O` command line "
"option from removing :keyword:`assert` statements nor from "
"setting :const:`__debug__` to ``False``."
msgstr ""
"Python 開発モードを有効にしても、:option:`-O` コマンドラインオプションによ"
"る :keyword:`assert` 文の削除や、:const:`__debug__` の ``False`` への設定は妨"
"げられません。"
msgid ""
"The Python Development Mode can only be enabled at the Python startup. Its "
"value can be read from :data:`sys.flags.dev_mode <sys.flags>`."
msgstr ""
"Python 開発モードは Python 起動時にのみ有効にできます。\n"
"その値は :data:`sys.flags.dev_mode <sys.flags>` から取得できます。"
msgid "The :class:`io.IOBase` destructor now logs ``close()`` exceptions."
msgstr ""
":class:`io.IOBase` のデストラクタが ``close()`` の例外をログに記録するように"
"なりました。"
msgid ""
"The *encoding* and *errors* arguments are now checked for string encoding "
"and decoding operations."
msgstr ""
"文字列のエンコードとデコードで *encoding* と *errors* 引数をチェックするよう"
"になりました。"
#: ../../library/devmode.rst:111
msgid "ResourceWarning Example"
msgstr "ResourceWarning の例"
msgid ""
"Example of a script counting the number of lines of the text file specified "
"in the command line::"
msgstr ""
"コマンドラインで指定したテキストファイルの行数を数えるスクリプトの例です。 ::"
#: ../../library/devmode.rst:116
msgid ""
"import sys\n"
"\n"
"def main():\n"
" fp = open(sys.argv[1])\n"
" nlines = len(fp.readlines())\n"
" print(nlines)\n"
" # The file is closed implicitly\n"
"\n"
"if __name__ == \"__main__\":\n"
" main()"
msgstr ""
"import sys\n"
"\n"
"def main():\n"
" fp = open(sys.argv[1])\n"
" nlines = len(fp.readlines())\n"
" print(nlines)\n"
" # ファイルは暗黙的に閉じられる\n"
"\n"
"if __name__ == \"__main__\":\n"
" main()"
msgid ""
"The script does not close the file explicitly. By default, Python does not "
"emit any warning. Example using README.txt, which has 269 lines:"
msgstr ""
"このスクリプトはファイルを明示的に閉じていません。\n"
"デフォルトでは Python は警告を出しません。\n"
"269 行の README.txt を使った例です:"
#: ../../library/devmode.rst:130
msgid ""
"$ python script.py README.txt\n"
"269"
msgstr ""
"$ python script.py README.txt\n"
"269"
msgid ""
"Enabling the Python Development Mode displays a :exc:`ResourceWarning` "
"warning:"
msgstr ""
"Python 開発モードを有効にすると :exc:`ResourceWarning` 警告が表示されます:"
#: ../../library/devmode.rst:137
msgid ""
"$ python -X dev script.py README.txt\n"
"269\n"
"script.py:10: ResourceWarning: unclosed file <_io.TextIOWrapper "
"name='README.rst' mode='r' encoding='UTF-8'>\n"
" main()\n"
"ResourceWarning: Enable tracemalloc to get the object allocation traceback"
msgstr ""
"$ python -X dev script.py README.txt\n"
"269\n"
"script.py:10: ResourceWarning: unclosed file <_io.TextIOWrapper "
"name='README.rst' mode='r' encoding='UTF-8'>\n"
" main()\n"
"ResourceWarning: Enable tracemalloc to get the object allocation traceback"
msgid ""
"In addition, enabling :mod:`tracemalloc` shows the line where the file was "
"opened:"
msgstr ""
"さらに :mod:`tracemalloc` を有効にすると、ファイルを開いた行が表示されます:"
#: ../../library/devmode.rst:148
msgid ""
"$ python -X dev -X tracemalloc=5 script.py README.rst\n"
"269\n"
"script.py:10: ResourceWarning: unclosed file <_io.TextIOWrapper "
"name='README.rst' mode='r' encoding='UTF-8'>\n"
" main()\n"
"Object allocated at (most recent call last):\n"
" File \"script.py\", lineno 10\n"
" main()\n"
" File \"script.py\", lineno 4\n"
" fp = open(sys.argv[1])"
msgstr ""
"$ python -X dev -X tracemalloc=5 script.py README.rst\n"
"269\n"
"script.py:10: ResourceWarning: unclosed file <_io.TextIOWrapper "
"name='README.rst' mode='r' encoding='UTF-8'>\n"
" main()\n"
"Object allocated at (most recent call last):\n"
" File \"script.py\", lineno 10\n"
" main()\n"
" File \"script.py\", lineno 4\n"
" fp = open(sys.argv[1])"
msgid ""
"The fix is to close explicitly the file. Example using a context manager::"
msgstr ""
"ファイルを明示的に閉じれば修正できます。\n"
"コンテキストマネージャを使った例です。 ::"
#: ../../library/devmode.rst:162
msgid ""
"def main():\n"
" # Close the file explicitly when exiting the with block\n"
" with open(sys.argv[1]) as fp:\n"
" nlines = len(fp.readlines())\n"
" print(nlines)"
msgstr ""
"def main():\n"
" # ブロックを終了する際に明示的にファイルを閉じる\n"
" with open(sys.argv[1]) as fp:\n"
" nlines = len(fp.readlines())\n"
" print(nlines)"
msgid ""
"Not closing a resource explicitly can leave a resource open for way longer "
"than expected; it can cause severe issues upon exiting Python. It is bad in "
"CPython, but it is even worse in PyPy. Closing resources explicitly makes an "
"application more deterministic and more reliable."
msgstr ""
"リソースを明示的に閉じないと、予想よりずっと長い間開いたままになり、Python 終"
"了時に重大な問題を起こすことがあります。\n"
"CPython でも問題ですが、PyPy ではさらに深刻です。\n"
"リソースを明示的に閉じることで、アプリケーションの動作がより確定的になり、信"
"頼性も高まります。"
msgid "Bad file descriptor error example"
msgstr "Bad file descriptor エラーの例"
msgid "Script displaying the first line of itself::"
msgstr "自分自身の最初の行を表示するスクリプトです。 ::"
#: ../../library/devmode.rst:179
msgid ""
"import os\n"
"\n"
"def main():\n"
" fp = open(__file__)\n"
" firstline = fp.readline()\n"
" print(firstline.rstrip())\n"
" os.close(fp.fileno())\n"
" # The file is closed implicitly\n"
"\n"
"main()"
msgstr ""
"import os\n"
"\n"
"def main():\n"
" fp = open(__file__)\n"
" firstline = fp.readline()\n"
" print(firstline.rstrip())\n"
" os.close(fp.fileno())\n"
" # ファイルは暗黙的に閉じられる\n"
"\n"
"main()"
msgid "By default, Python does not emit any warning:"
msgstr "デフォルトでは Python は警告を出しません:"
#: ../../library/devmode.rst:192
msgid ""
"$ python script.py\n"
"import os"
msgstr ""
"$ python script.py\n"
"import os"
msgid ""
"The Python Development Mode shows a :exc:`ResourceWarning` and logs a \"Bad "
"file descriptor\" error when finalizing the file object:"
msgstr ""
"Python 開発モードでは :exc:`ResourceWarning` が表示され、ファイルオブジェクト"
"のファイナライズ時に \"Bad file descriptor\" エラーがログに記録されます:"
#: ../../library/devmode.rst:200
msgid ""
"$ python -X dev script.py\n"
"import os\n"
"script.py:10: ResourceWarning: unclosed file <_io.TextIOWrapper "
"name='script.py' mode='r' encoding='UTF-8'>\n"
" main()\n"
"ResourceWarning: Enable tracemalloc to get the object allocation traceback\n"
"Exception ignored in: <_io.TextIOWrapper name='script.py' mode='r' "
"encoding='UTF-8'>\n"
"Traceback (most recent call last):\n"
" File \"script.py\", line 10, in <module>\n"
" main()\n"
"OSError: [Errno 9] Bad file descriptor"
msgstr ""
"$ python -X dev script.py\n"
"import os\n"
"script.py:10: ResourceWarning: unclosed file <_io.TextIOWrapper "
"name='script.py' mode='r' encoding='UTF-8'>\n"
" main()\n"
"ResourceWarning: Enable tracemalloc to get the object allocation traceback\n"
"Exception ignored in: <_io.TextIOWrapper name='script.py' mode='r' "
"encoding='UTF-8'>\n"
"Traceback (most recent call last):\n"
" File \"script.py\", line 10, in <module>\n"
" main()\n"
"OSError: [Errno 9] Bad file descriptor"
msgid ""
"``os.close(fp.fileno())`` closes the file descriptor. When the file object "
"finalizer tries to close the file descriptor again, it fails with the ``Bad "
"file descriptor`` error. A file descriptor must be closed only once. In the "
"worst case scenario, closing it twice can lead to a crash "
"(see :issue:`18748` for an example)."
msgstr ""
"``os.close(fp.fileno())`` はファイル記述子を閉じます。\n"
"ファイルオブジェクトのファイナライザーがそのファイル記述子を再度閉じようとす"
"ると、``Bad file descriptor`` エラーで失敗します。\n"
"ファイル記述子は 1 回だけ閉じなければなりません。\n"
"2 回閉じると、最悪の場合クラッシュすることがあります (例とし"
"て :issue:`18748` を参照してください)。"
msgid ""
"The fix is to remove the ``os.close(fp.fileno())`` line, or open the file "
"with ``closefd=False``."
msgstr ""
"``os.close(fp.fileno())`` の行を削除するか、``closefd=False`` を指定してファ"
"イルを開けば修正できます。"