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# This file is distributed under the same license as the Python package.

# Translators:

# Adrian Liaw <adrianliaw2000@gmail.com>, 2018

# Matt Wang <mattwang44gmail.com>, 2022

msgid ""

msgstr ""

"Project-Id-Version: Python 3.12\n"

"Report-Msgid-Bugs-To: \n"

"POT-Creation-Date: 2023-08-22 00:03+0000\n"

"PO-Revision-Date: 2023-02-18 14:17+0800\n"

"Last-Translator: Matt Wang <mattwang44gmail.com>\n"

"Language-Team: Chinese - TAIWAN (https://github.com/python/python-docs-zh-"

"tw)\n"

"Language: zh_TW\n"

"MIME-Version: 1.0\n"

"Content-Type: text/plain; charset=UTF-8\n"

"Content-Transfer-Encoding: 8bit\n"

"Plural-Forms: nplurals=1; plural=0;\n"

"X-Generator: Poedit 3.2.2\n"

#: ../../library/asyncio-dev.rst:7

msgid "Developing with asyncio"

msgstr "使用 asyncio 開發"

#: ../../library/asyncio-dev.rst:9

msgid ""

"Asynchronous programming is different from classic \"sequential\" "

"programming."

msgstr ""

"非同步程式設計 (asynchronous programming) 與傳統的\"順序\"程式設計 "

"(sequential programming) 不同。"

#: ../../library/asyncio-dev.rst:12

msgid ""

"This page lists common mistakes and traps and explains how to avoid them."

msgstr "本頁列出常見的錯誤和陷阱，並解釋如何避免它們。"

#: ../../library/asyncio-dev.rst:19

msgid "Debug Mode"

msgstr "除錯模式"

#: ../../library/asyncio-dev.rst:21

msgid ""

"By default asyncio runs in production mode. In order to ease the "

"development asyncio has a *debug mode*."

msgstr ""

"在預設情況下 asyncio 以正式生產模式 (production mode) 執行。為了讓開發更輕"

"鬆，asyncio 還有一種\\ *除錯模式 (debug mode)*\\ 。"

#: ../../library/asyncio-dev.rst:24

msgid "There are several ways to enable asyncio debug mode:"

msgstr "有幾種方法可以啟用 asyncio 除錯模式："

#: ../../library/asyncio-dev.rst:26

msgid "Setting the :envvar:`PYTHONASYNCIODEBUG` environment variable to ``1``."

msgstr "將 :envvar:`PYTHONASYNCIODEBUG` 環境變數設定為 ``1``。"

#: ../../library/asyncio-dev.rst:28

msgid "Using the :ref:`Python Development Mode <devmode>`."

msgstr "使用 :ref:`Python 開發模式 (Development Mode) <devmode>`。"

#: ../../library/asyncio-dev.rst:30

msgid "Passing ``debug=True`` to :func:`asyncio.run`."

msgstr "將 ``debug=True`` 傳遞給 :func:`asyncio.run`。"

#: ../../library/asyncio-dev.rst:32

msgid "Calling :meth:`loop.set_debug`."

msgstr "呼叫 :meth:`loop.set_debug`。"

#: ../../library/asyncio-dev.rst:34

msgid "In addition to enabling the debug mode, consider also:"

msgstr "除了啟用除錯模式外，還要考慮："

#: ../../library/asyncio-dev.rst:36

msgid ""

"setting the log level of the :ref:`asyncio logger <asyncio-logger>` to :py:"

"const:`logging.DEBUG`, for example the following snippet of code can be run "

"at startup of the application::"

msgstr ""

"將 :ref:`asyncio logger（日誌記錄器） <asyncio-logger>`\\ 的日誌級别設置為 :"

"py:const:`logging.DEBUG`，例如下面的程式片段可以在應用程式啟動時運行：\n"

"\n"

"::"

#: ../../library/asyncio-dev.rst:42

msgid ""

"configuring the :mod:`warnings` module to display :exc:`ResourceWarning` "

"warnings. One way of doing that is by using the :option:`-W` ``default`` "

"command line option."

msgstr ""

"配置 :mod:`warnings` 模組以顯示 :exc:`ResourceWarning` 警告。一種方法是使用 :"

"option:`-W` ``default`` 命令列選項。"

#: ../../library/asyncio-dev.rst:47

msgid "When the debug mode is enabled:"

msgstr "啟用除錯模式時："

#: ../../library/asyncio-dev.rst:49

msgid ""

"asyncio checks for :ref:`coroutines that were not awaited <asyncio-coroutine-"

"not-scheduled>` and logs them; this mitigates the \"forgotten await\" "

"pitfall."

msgstr ""

"asyncio 會檢查\\ :ref:`未被等待的協程 <asyncio-coroutine-not-scheduled>`\\ 並"

"記錄他們；這會減輕\"被遺忘的等待 (forgotten await)\" 問題。"

#: ../../library/asyncio-dev.rst:53

msgid ""

"Many non-threadsafe asyncio APIs (such as :meth:`loop.call_soon` and :meth:"

"`loop.call_at` methods) raise an exception if they are called from a wrong "

"thread."

msgstr ""

"許多非執行緒安全 (non-threadsafe) 的 asyncio APIs（例如 :meth:`loop."

"call_soon` 和 :meth:`loop.call_at` 方法），如果從錯誤的執行緒呼叫就會引發例"

"外。"

#: ../../library/asyncio-dev.rst:57

msgid ""

"The execution time of the I/O selector is logged if it takes too long to "

"perform an I/O operation."

msgstr ""

"如果執行一個 I/O 操作花費的時間太長，則將 I/O 選擇器 (selector) 的執行時間記"

"錄到日誌中。"

#: ../../library/asyncio-dev.rst:60

msgid ""

"Callbacks taking longer than 100 milliseconds are logged. The :attr:`loop."

"slow_callback_duration` attribute can be used to set the minimum execution "

"duration in seconds that is considered \"slow\"."

msgstr ""

"執行時間超過 100 毫秒的回呼 (callback) 將會被記錄於日誌。屬性 :attr:`loop."

"slow_callback_duration` 可用於設定以秒為單位的最小執行持續時間，超過這個值執"

"行時間就會被視為\"緩慢\"。"

#: ../../library/asyncio-dev.rst:68

msgid "Concurrency and Multithreading"

msgstr "並行性和多執行緒 (Concurrency and Multithreading)"

#: ../../library/asyncio-dev.rst:70

msgid ""

"An event loop runs in a thread (typically the main thread) and executes all "

"callbacks and Tasks in its thread. While a Task is running in the event "

"loop, no other Tasks can run in the same thread. When a Task executes an "

"``await`` expression, the running Task gets suspended, and the event loop "

"executes the next Task."

msgstr ""

"事件迴圈在執行緒中運行（通常是主執行緒），並在其執行緒中執行所有回呼和 Tasks"

"（任務）。當一個 Task 在事件迴圈中運行時，沒有其他 Task 可以在同一個執行緒中"

"運行。當一個 Task 執行一個 ``await`` 運算式時，正在執行的 Task 會被暫停，而事"

"件迴圈會執行下一個 Task。"

#: ../../library/asyncio-dev.rst:76

msgid ""

"To schedule a :term:`callback` from another OS thread, the :meth:`loop."

"call_soon_threadsafe` method should be used. Example::"

msgstr ""

"要從不同的 OS 執行緒為一個 :term:`callback` 排程，應該使用 :meth:`loop."

"call_soon_threadsafe` 方法。例如：\n"

"\n"

"::"

#: ../../library/asyncio-dev.rst:81

msgid ""

"Almost all asyncio objects are not thread safe, which is typically not a "

"problem unless there is code that works with them from outside of a Task or "

"a callback. If there's a need for such code to call a low-level asyncio "

"API, the :meth:`loop.call_soon_threadsafe` method should be used, e.g.::"

msgstr ""

"幾乎所有 asyncio 物件都不支援執行緒安全 (thread safe)，這通常不是問題，除非"

"在 Task 或回呼函式之外有程式需要和它們一起運作。如果需要這樣的程式來呼叫低階 "

"asyncio API，應該使用 :meth:`loop.call_soon_threadsafe` 方法，例如：\n"

"\n"

"::"

#: ../../library/asyncio-dev.rst:89

msgid ""

"To schedule a coroutine object from a different OS thread, the :func:"

"`run_coroutine_threadsafe` function should be used. It returns a :class:"

"`concurrent.futures.Future` to access the result::"

msgstr ""

"要從不同的 OS 執行緒為一個協程物件排程，應該使用 :func:"

"`run_coroutine_threadsafe` 函式。它會回傳一個 :class:`concurrent.futures."

"Future` 以存取結果：\n"

"\n"

"::"

#: ../../library/asyncio-dev.rst:102

msgid "To handle signals the event loop must be run in the main thread."

msgstr "為了能夠處理訊號，事件迴圈必須於主執行緒中運行。"

#: ../../library/asyncio-dev.rst:105

msgid ""

"The :meth:`loop.run_in_executor` method can be used with a :class:"

"`concurrent.futures.ThreadPoolExecutor` to execute blocking code in a "

"different OS thread without blocking the OS thread that the event loop runs "

"in."

msgstr ""

":meth:`loop.run_in_executor` 方法可以和 :class:`concurrent.futures."

"ThreadPoolExecutor` 一起使用，這能夠在作業系統上另一個不同的執行緒中執行阻塞"

"程式，且避免阻塞執行事件迴圈的執行緒。"

#: ../../library/asyncio-dev.rst:110

msgid ""

"There is currently no way to schedule coroutines or callbacks directly from "

"a different process (such as one started with :mod:`multiprocessing`). The :"

"ref:`asyncio-event-loop-methods` section lists APIs that can read from pipes "

"and watch file descriptors without blocking the event loop. In addition, "

"asyncio's :ref:`Subprocess <asyncio-subprocess>` APIs provide a way to start "

"a process and communicate with it from the event loop. Lastly, the "

"aforementioned :meth:`loop.run_in_executor` method can also be used with a :"

"class:`concurrent.futures.ProcessPoolExecutor` to execute code in a "

"different process."

msgstr ""

"目前沒有什麼辦法能直接從另一個行程（例如透過 :mod:`multiprocessing` 啟動的程"

"序）來為協程或回呼排程。\\ :ref:`asyncio-event-loop-methods`\\ 小節列出了可以"

"從 pipes（管道）讀取並監視 file descriptor（檔案描述器）而不會阻塞事件迴圈的 "

"API。此外，asyncio 的\\ :ref:`子行程 <asyncio-subprocess>` API 提供了一種啟動"

"行程並從事件迴圈與其通訊的辦法。最後，之前提到的 :meth:`loop."

"run_in_executor` 方法也可和 :class:`concurrent.futures.ProcessPoolExecutor` "

"搭配使用，以在另一個行程中執行程式。"

#: ../../library/asyncio-dev.rst:124

msgid "Running Blocking Code"

msgstr "執行阻塞的程式"

#: ../../library/asyncio-dev.rst:126

msgid ""

"Blocking (CPU-bound) code should not be called directly. For example, if a "

"function performs a CPU-intensive calculation for 1 second, all concurrent "

"asyncio Tasks and IO operations would be delayed by 1 second."

msgstr ""

"不應該直接呼叫阻塞（CPU 密集型）程式。例如一個執行 1 秒 CPU 密集型計算的函"

"式，那麼所有並行非同步 Tasks 和 IO 操作都會被延遲 1 秒。"

#: ../../library/asyncio-dev.rst:131

msgid ""

"An executor can be used to run a task in a different thread or even in a "

"different process to avoid blocking the OS thread with the event loop. See "

"the :meth:`loop.run_in_executor` method for more details."

msgstr ""

"一個 executor（執行器）可以被用來在不同的執行緒、或甚至不同的行程中執行任務，"

"以避免使用事件迴圈阻塞 OS 執行緒。詳情請見 :meth:`loop.run_in_executor` 方"

"法。"

#: ../../library/asyncio-dev.rst:140

msgid "Logging"

msgstr "日誌記錄"

#: ../../library/asyncio-dev.rst:142

msgid ""

"asyncio uses the :mod:`logging` module and all logging is performed via the "

"``\"asyncio\"`` logger."

msgstr ""

"asyncio 使用 :mod:`logging` 模組，所有日誌記錄都是透過 ``\"asyncio\"`` "

"logger 執行的。"

#: ../../library/asyncio-dev.rst:145

msgid ""

"The default log level is :py:const:`logging.INFO`, which can be easily "

"adjusted::"

msgstr ""

"日誌級別被預設為 :py:const:`logging.INFO`，它可以很容易地被調整：\n"

"\n"

"::"

#: ../../library/asyncio-dev.rst:151

msgid ""

"Network logging can block the event loop. It is recommended to use a "

"separate thread for handling logs or use non-blocking IO. For example, see :"

"ref:`blocking-handlers`."

msgstr ""

"網路日誌記錄可能會阻塞事件迴圈。建議使用獨立的執行緒來處理日誌或使用非阻塞 "

"IO，範例請參見 :ref:`blocking-handlers`。"

#: ../../library/asyncio-dev.rst:159

msgid "Detect never-awaited coroutines"

msgstr "偵測從未被等待的 (never-awaited) 協程"

#: ../../library/asyncio-dev.rst:161

msgid ""

"When a coroutine function is called, but not awaited (e.g. ``coro()`` "

"instead of ``await coro()``) or the coroutine is not scheduled with :meth:"

"`asyncio.create_task`, asyncio will emit a :exc:`RuntimeWarning`::"

msgstr ""

"當協程函式被呼叫而不是被等待時（即執行 ``coro()`` 而不是 ``await coro()``）或"

"者協程沒有透過 :meth:`asyncio.create_task` 被排程，asyncio 將會發出 :exc:"

"`RuntimeWarning`：\n"

"\n"

"::"

#: ../../library/asyncio-dev.rst:176 ../../library/asyncio-dev.rst:221

msgid "Output::"

msgstr ""

"輸出：\n"

"\n"

"::"

#: ../../library/asyncio-dev.rst:181 ../../library/asyncio-dev.rst:237

msgid "Output in debug mode::"

msgstr ""

"除錯模式中的輸出：\n"

"\n"

"::"

#: ../../library/asyncio-dev.rst:194

msgid ""

"The usual fix is to either await the coroutine or call the :meth:`asyncio."

"create_task` function::"

msgstr ""

"常用的修復方法是去等待協程或者呼叫 :meth:`asyncio.create_task` 函式：\n"

"\n"

"::"

#: ../../library/asyncio-dev.rst:202

msgid "Detect never-retrieved exceptions"

msgstr "偵測從未被獲取的 (never-retrieved) 例外"

#: ../../library/asyncio-dev.rst:204

msgid ""

"If a :meth:`Future.set_exception` is called but the Future object is never "

"awaited on, the exception would never be propagated to the user code. In "

"this case, asyncio would emit a log message when the Future object is "

"garbage collected."

msgstr ""

"如果呼叫 :meth:`Future.set_exception`，但 Future 物件從未被等待，例外將無法被"

"傳播 (propagate) 到使用者程式。在這種情況下，當 Future 物件被垃圾回收 "

"(garbage collected) 時，asyncio 將發出一則日誌訊息。"

#: ../../library/asyncio-dev.rst:209

msgid "Example of an unhandled exception::"

msgstr ""

"未處理例外的例子：\n"

"\n"

"::"

#: ../../library/asyncio-dev.rst:232

msgid ""

":ref:`Enable the debug mode <asyncio-debug-mode>` to get the traceback where "

"the task was created::"

msgstr ""

":ref:`啟用除錯模式 <asyncio-debug-mode>`\\ 以取得任務建立處的追蹤資訊 "

"(traceback)：\n"

"\n"

"::"

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