# SOME DESCRIPTIVE TITLE.
# Copyright (C) 2001-2022, Python Software Foundation
# This file is distributed under the same license as the Python package.
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# Translators:
# jerrychen <jerrychen.ee@gmail.com>, 2016
# Steven Hsu <hsuhaochun@gmail.com>, 2021-2022
# Matt Wang <mattwang44@gmail.com>, 2021
msgid ""
msgstr ""
"Project-Id-Version: Python 3.12\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2023-07-06 16:53+0000\n"
"PO-Revision-Date: 2022-10-24 14:54+0800\n"
"Last-Translator: Steven Hsu <hsuhaochun@gmail.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"
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"Plural-Forms: nplurals=1; plural=0;\n"
"X-Generator: Poedit 3.2\n"

#: ../../tutorial/errors.rst:5
msgid "Errors and Exceptions"
msgstr "錯誤和例外"

#: ../../tutorial/errors.rst:7
msgid ""
"Until now error messages haven't been more than mentioned, but if you have "
"tried out the examples you have probably seen some.  There are (at least) "
"two distinguishable kinds of errors: *syntax errors* and *exceptions*."
msgstr ""
"到目前為止還沒有提到錯誤訊息，但如果你嘗試運行範例，你可能會發現一些錯誤訊"
"息。常見的（至少）兩種不同的錯誤類別為：\\ *語法錯誤 (syntax error)* 和\\ *例"
"外 (exception)*\\ 。"

#: ../../tutorial/errors.rst:15
msgid "Syntax Errors"
msgstr "語法錯誤 (Syntax Error)"

#: ../../tutorial/errors.rst:17
msgid ""
"Syntax errors, also known as parsing errors, are perhaps the most common "
"kind of complaint you get while you are still learning Python::"
msgstr ""
"語法錯誤又稱剖析錯誤 (parsing error)，它或許是學習 Python 的過程最常聽見的抱"
"怨：\n"
"\n"
"::"

#: ../../tutorial/errors.rst:26
msgid ""
"The parser repeats the offending line and displays a little 'arrow' pointing "
"at the earliest point in the line where the error was detected.  The error "
"is caused by (or at least detected at) the token *preceding* the arrow: in "
"the example, the error is detected at the function :func:`print`, since a "
"colon (``':'``) is missing before it.  File name and line number are printed "
"so you know where to look in case the input came from a script."
msgstr ""
"剖析器 (parser) 會重複犯錯的那一行，並用一個小「箭頭」指向該行檢測到的第一個"
"錯誤點。錯誤是由箭頭\\ *之前*\\ 的標記 (token) 導致的（或至少是在這裡檢測到"
"的）：此例中，錯誤是在 :func:`print` 函式中被檢測到，因為在它前面少了一個冒號"
"（\\ ``':'``）。檔案名稱和行號會被印出來，所以如果訊息是來自腳本時，就可以知"
"道去哪裡找問題。"

#: ../../tutorial/errors.rst:37
msgid "Exceptions"
msgstr "例外 (Exception)"

#: ../../tutorial/errors.rst:39
msgid ""
"Even if a statement or expression is syntactically correct, it may cause an "
"error when an attempt is made to execute it. Errors detected during "
"execution are called *exceptions* and are not unconditionally fatal: you "
"will soon learn how to handle them in Python programs.  Most exceptions are "
"not handled by programs, however, and result in error messages as shown "
"here::"
msgstr ""
"即使一段陳述式或運算式使用了正確的語法，嘗試執行時仍可能導致錯誤。執行時檢測"
"到的錯誤稱為\\ *例外*\\ ，例外不一定都很嚴重：你很快就能學會在 Python 程式中"
"如何處理它們。不過大多數的例外不會被程式處理，並且會顯示如下的錯誤訊息：\n"
"\n"
"::"

#: ../../tutorial/errors.rst:58
msgid ""
"The last line of the error message indicates what happened. Exceptions come "
"in different types, and the type is printed as part of the message: the "
"types in the example are :exc:`ZeroDivisionError`, :exc:`NameError` and :exc:"
"`TypeError`. The string printed as the exception type is the name of the "
"built-in exception that occurred.  This is true for all built-in exceptions, "
"but need not be true for user-defined exceptions (although it is a useful "
"convention). Standard exception names are built-in identifiers (not reserved "
"keywords)."
msgstr ""
"錯誤訊息的最後一行指示發生了什麼事。例外有不同的類型，而類型名稱會作為訊息的"
"一部份被印出。範例中的例外類型為：\\ :exc:`ZeroDivisionError`\\ 、\\ :exc:"
"`NameError` 和 :exc:`TypeError`\\ 。作為例外類型被印出的字串，就是發生的內建"
"例外 (built-in exception) 的名稱。所有的內建例外都是如此運作，但對於使用者自"
"定的例外則不一定需要遵守（雖然這是一個有用的慣例）。標準例外名稱是內建的識別"
"字 (identifier)，不是保留關鍵字 (reserved keyword)。"

#: ../../tutorial/errors.rst:66
msgid ""
"The rest of the line provides detail based on the type of exception and what "
"caused it."
msgstr "此行其餘部分，根據例外的類型及導致例外的原因，說明例外的細節。"

#: ../../tutorial/errors.rst:69
msgid ""
"The preceding part of the error message shows the context where the "
"exception occurred, in the form of a stack traceback. In general it contains "
"a stack traceback listing source lines; however, it will not display lines "
"read from standard input."
msgstr ""
"錯誤訊息的開頭，用堆疊回溯 (stack traceback) 的形式顯示發生例外的語境。一般來"
"說，它含有一個列出源程式碼行 (source line) 的堆疊回溯；但它不會顯示從標準輸入"
"中讀取的程式碼。"

#: ../../tutorial/errors.rst:74
msgid ""
":ref:`bltin-exceptions` lists the built-in exceptions and their meanings."
msgstr ":ref:`bltin-exceptions`\\ 章節列出內建的例外及它們的意義。"

#: ../../tutorial/errors.rst:80
msgid "Handling Exceptions"
msgstr "處理例外"

#: ../../tutorial/errors.rst:82
msgid ""
"It is possible to write programs that handle selected exceptions. Look at "
"the following example, which asks the user for input until a valid integer "
"has been entered, but allows the user to interrupt the program (using :kbd:"
"`Control-C` or whatever the operating system supports); note that a user-"
"generated interruption is signalled by raising the :exc:`KeyboardInterrupt` "
"exception. ::"
msgstr ""
"編寫程式處理選定的例外是可行的。以下範例會要求使用者輸入內容，直到有效的整數"
"被輸入為止，但它允許使用者中斷程式（使用 :kbd:`Control-C` 或作業系統支援的指"
"令）；請注意，由使用者產生的程式中斷會引發 :exc:`KeyboardInterrupt` 例外信"
"號。\n"
"\n"
"::"

#: ../../tutorial/errors.rst:96
msgid "The :keyword:`try` statement works as follows."
msgstr ":keyword:`try` 陳述式運作方式如下。"

#: ../../tutorial/errors.rst:98
msgid ""
"First, the *try clause* (the statement(s) between the :keyword:`try` and :"
"keyword:`except` keywords) is executed."
msgstr ""
"首先，執行 *try 子句*\\ （\\ :keyword:`try` 和 :keyword:`except` 關鍵字之間的"
"陳述式）。"

#: ../../tutorial/errors.rst:101
msgid ""
"If no exception occurs, the *except clause* is skipped and execution of the :"
"keyword:`try` statement is finished."
msgstr ""
"如果沒有發生例外，則 *except 子句*\\ 會被跳過，\\ :keyword:`try` 陳述式執行完"
"畢。"

#: ../../tutorial/errors.rst:104
msgid ""
"If an exception occurs during execution of the :keyword:`try` clause, the "
"rest of the clause is skipped.  Then, if its type matches the exception "
"named after the :keyword:`except` keyword, the *except clause* is executed, "
"and then execution continues after the try/except block."
msgstr ""
"如果執行 :keyword:`try` 子句時發生了例外，則該子句中剩下的部分會被跳過。如果"
"例外的類型與 :keyword:`except` 關鍵字後面的例外名稱相符，則 *except 子句*\\ "
"被執行，然後，繼續執行 try/except 區塊之後的程式碼。"

#: ../../tutorial/errors.rst:109
msgid ""
"If an exception occurs which does not match the exception named in the "
"*except clause*, it is passed on to outer :keyword:`try` statements; if no "
"handler is found, it is an *unhandled exception* and execution stops with a "
"message as shown above."
msgstr ""
"如果發生的例外未符合 *except 子句*\\ 中的例外名稱，則將其傳遞到外層的 :"
"keyword:`try` 陳述式；如果仍無法找到處理者，則它是一個\\ *未處理例外 "
"(unhandled exception)*\\ ，執行將停止，並顯示如上所示的訊息。"

#: ../../tutorial/errors.rst:114
msgid ""
"A :keyword:`try` statement may have more than one *except clause*, to "
"specify handlers for different exceptions.  At most one handler will be "
"executed. Handlers only handle exceptions that occur in the corresponding "
"*try clause*, not in other handlers of the same :keyword:`!try` statement.  "
"An *except clause* may name multiple exceptions as a parenthesized tuple, "
"for example::"
msgstr ""
":keyword:`try` 陳述式可以有不只一個 *except 子句*\\ ，為不同的例外指定處理"
"者，而最多只有一個處理者會被執行。處理者只處理對應的 try 子句中發生的例外，而"
"不會處理同一 :keyword:`!try` 陳述式裡其他處理者內的例外。一個 *except 子句"
"*\\ 可以用一組括號內的 tuple 列舉多個例外，例如：\n"
"\n"
"::"

#: ../../tutorial/errors.rst:123
msgid ""
"A class in an :keyword:`except` clause is compatible with an exception if it "
"is the same class or a base class thereof (but not the other way around --- "
"an *except clause* listing a derived class is not compatible with a base "
"class). For example, the following code will print B, C, D in that order::"
msgstr ""
"一個在 :keyword:`except` 子句中的 class（類別）和一個例外是可相容的，只要它與"
"例外是同一個 class 或是為其 base class（基底類別）；反之則無法成立——列出 "
"derived class （衍生類別）的 *except 子句*\\ 並不能與 base class 相容。例如，"
"以下程式碼會依序印出 B、C、D：\n"
"\n"
"::"

#: ../../tutorial/errors.rst:147
msgid ""
"Note that if the *except clauses* were reversed (with ``except B`` first), "
"it would have printed B, B, B --- the first matching *except clause* is "
"triggered."
msgstr ""
"請注意，如果 *except 子句*\\ 的順序被反轉（把 ``except B`` 放到第一個），則會"
"印出 B、B、B ­­——第一個符合的 *except 子句*\\ 會被觸發。"

#: ../../tutorial/errors.rst:150
msgid ""
"When an exception occurs, it may have associated values, also known as the "
"exception's *arguments*. The presence and types of the arguments depend on "
"the exception type."
msgstr ""
"當例外發生時，它可能有相關聯的值，也就是例外的\\ *引數*\\ 。引數的存在與否及"
"它的類型，是取決於例外的類型。"

#: ../../tutorial/errors.rst:154
msgid ""
"The *except clause* may specify a variable after the exception name.  The "
"variable is bound to the exception instance which typically has an ``args`` "
"attribute that stores the arguments. For convenience, builtin exception "
"types define :meth:`__str__` to print all the arguments without explicitly "
"accessing ``.args``.  ::"
msgstr ""
"*except 子句*\\ 可以在例外名稱後面指定一個變數。這個變數被綁定到一個例外實例 "
"(instance)，其引數通常儲存在 ``args`` 屬性中。為了方便，內建例外型別定義了 :"
"meth:`__str__` 以印出所有引數而不需顯式地取用 ``.args``\\ ：\n"
"\n"
"::"

#: ../../tutorial/errors.rst:177
msgid ""
"The exception's :meth:`__str__` output is printed as the last part "
"('detail') of the message for unhandled exceptions."
msgstr ""
"例外的 :meth:`__str__` 輸出會被印在未處理例外訊息的最後一部分（「細節」）。"

#: ../../tutorial/errors.rst:180
msgid ""
":exc:`BaseException` is the common base class of all exceptions. One of its "
"subclasses, :exc:`Exception`, is the base class of all the non-fatal "
"exceptions. Exceptions which are not subclasses of :exc:`Exception` are not "
"typically handled, because they are used to indicate that the program should "
"terminate. They include :exc:`SystemExit` which is raised by :meth:`sys."
"exit` and :exc:`KeyboardInterrupt` which is raised when a user wishes to "
"interrupt the program."
msgstr ""
":exc:`BaseException` 是由全部的例外所共用的 base class。它的 subclass（子類"
"別）之一，:exc:`Exception`，則是所有非嚴重例外 (non-fatal exception) 的 base "
"class。有些例外不是 :exc:`Exception` 的 subclass，而它們通常不會被處理，因為"
"它們是用來指示程式應該終止。這些例外包括了由 :meth:`sys.exit` 所引發的 :exc:"
"`SystemExit`，以及當使用者想要中斷程式時所引發的 :exc:`KeyboardInterrupt`。"

#: ../../tutorial/errors.rst:188
msgid ""
":exc:`Exception` can be used as a wildcard that catches (almost) everything. "
"However, it is good practice to be as specific as possible with the types of "
"exceptions that we intend to handle, and to allow any unexpected exceptions "
"to propagate on."
msgstr ""
":exc:`Exception` 可以用作通配符 (wildcard) 來捕獲（幾乎）所有的例外。然而，比"
"較好的做法是盡可能具體地說明我們打算處理的例外類型，並容許任何非預期例外的傳"
"遞 (propagate)。"

#: ../../tutorial/errors.rst:193
msgid ""
"The most common pattern for handling :exc:`Exception` is to print or log the "
"exception and then re-raise it (allowing a caller to handle the exception as "
"well)::"
msgstr ""
"處理 :exc:`Exception` 的最常見模式，是先將該例外印出或記錄，然後再重新引發它"
"（也允許一個呼叫函式 (caller) 來處理該例外）：\n"
"\n"
"::"

#: ../../tutorial/errors.rst:211
msgid ""
"The :keyword:`try` ... :keyword:`except` statement has an optional *else "
"clause*, which, when present, must follow all *except clauses*.  It is "
"useful for code that must be executed if the *try clause* does not raise an "
"exception. For example::"
msgstr ""
":keyword:`try` ... :keyword:`except` 陳述式有一個選擇性的 *else 子句*\\ ，使"
"用時，該子句必須放在所有 *except 子句*\\ 之後。如果一段程式碼必須被執行，但 "
"*try 子句*\\ 又沒有引發例外時，這個子句很有用。例如：\n"
"\n"
"::"

#: ../../tutorial/errors.rst:225
msgid ""
"The use of the :keyword:`!else` clause is better than adding additional code "
"to the :keyword:`try` clause because it avoids accidentally catching an "
"exception that wasn't raised by the code being protected by the :keyword:`!"
"try` ... :keyword:`!except` statement."
msgstr ""
"使用 :keyword:`!else` 子句比向 :keyword:`try` 子句添加額外的程式碼要好，因為"
"這可以避免意外地捕獲不是由 :keyword:`!try` ... :keyword:`!except` 陳述式保護"
"的程式碼所引發的例外。"

#: ../../tutorial/errors.rst:230
msgid ""
"Exception handlers do not handle only exceptions that occur immediately in "
"the *try clause*, but also those that occur inside functions that are called "
"(even indirectly) in the *try clause*. For example::"
msgstr ""
"例外的處理者不僅處理 *try 子句*\\ 內立即發生的例外，還處理 *try 子句*\\ 內"
"（即使是間接地）呼叫的函式內部發生的例外。例如：\n"
"\n"
"::"

#: ../../tutorial/errors.rst:248
msgid "Raising Exceptions"
msgstr "引發例外"

#: ../../tutorial/errors.rst:250
msgid ""
"The :keyword:`raise` statement allows the programmer to force a specified "
"exception to occur. For example::"
msgstr ""
":keyword:`raise` 陳述式可讓程式設計師強制引發指定的例外。例如：\n"
"\n"
"::"

#: ../../tutorial/errors.rst:258
msgid ""
"The sole argument to :keyword:`raise` indicates the exception to be raised. "
"This must be either an exception instance or an exception class (a class "
"that derives from :class:`BaseException`, such as :exc:`Exception` or one of "
"its subclasses).  If an exception class is passed, it will be implicitly "
"instantiated by calling its constructor with no arguments::"
msgstr ""
":keyword:`raise` 唯一的引數就是要引發的例外。該引數必須是一個例外實例或例外 "
"class（衍生自 :class:`BaseException` 的 class，例如 :class:`Exception` 與它"
"的 subclass）。如果一個例外 class 被傳遞，它會不含引數地呼叫它的建構函式 "
"(constructor) ，使它被自動建立實例 (implicitly instantiated)：\n"
"\n"
"::"

#: ../../tutorial/errors.rst:266
msgid ""
"If you need to determine whether an exception was raised but don't intend to "
"handle it, a simpler form of the :keyword:`raise` statement allows you to re-"
"raise the exception::"
msgstr ""
"如果你只想判斷是否引發了例外，但並不打算處理它，則可以使用簡單的 :keyword:"
"`raise` 陳述式來重新引發該例外：\n"
"\n"
"::"

#: ../../tutorial/errors.rst:285
msgid "Exception Chaining"
msgstr "例外鏈接 (Exception Chaining)"

#: ../../tutorial/errors.rst:287
msgid ""
"If an unhandled exception occurs inside an :keyword:`except` section, it "
"will have the exception being handled attached to it and included in the "
"error message::"
msgstr ""
"如果在 :keyword:`except` 段落內部發生了一個未處理的例外，則它會讓這個將要被處"
"理的例外附加在後，並將其包含在錯誤訊息中：\n"
"\n"
"::"

#: ../../tutorial/errors.rst:306
msgid ""
"To indicate that an exception is a direct consequence of another, the :"
"keyword:`raise` statement allows an optional :keyword:`from<raise>` clause::"
msgstr ""
"為了表明一個例外是另一個例外直接造成的結果，:keyword:`raise` 陳述式容許一個選"
"擇性的 :keyword:`from<raise>` 子句：\n"
"\n"
"::"

#: ../../tutorial/errors.rst:312
msgid "This can be useful when you are transforming exceptions. For example::"
msgstr ""
"要變換例外時，這種方式很有用。例如：\n"
"\n"
"::"

#: ../../tutorial/errors.rst:333
msgid ""
"It also allows disabling automatic exception chaining using the ``from "
"None`` idiom::"
msgstr ""
"它也容許使用慣用語 ``from None`` 來停用自動例外鏈接：\n"
"\n"
"::"

#: ../../tutorial/errors.rst:345
msgid ""
"For more information about chaining mechanics, see :ref:`bltin-exceptions`."
msgstr "更多關於鏈接機制的資訊，詳見\\ :ref:`bltin-exceptions`\\ 。"

#: ../../tutorial/errors.rst:351
msgid "User-defined Exceptions"
msgstr "使用者自定的例外"

#: ../../tutorial/errors.rst:353
msgid ""
"Programs may name their own exceptions by creating a new exception class "
"(see :ref:`tut-classes` for more about Python classes).  Exceptions should "
"typically be derived from the :exc:`Exception` class, either directly or "
"indirectly."
msgstr ""
"程式可以通過建立新的例外 class 來命名自己的例外（深入了解 Python class，詳見"
"\\ :ref:`tut-classes`\\ ）。不論是直接還是間接地，例外通常應該從 :exc:"
"`Exception` class 衍生出來。"

#: ../../tutorial/errors.rst:357
msgid ""
"Exception classes can be defined which do anything any other class can do, "
"but are usually kept simple, often only offering a number of attributes that "
"allow information about the error to be extracted by handlers for the "
"exception."
msgstr ""
"例外 class 可被定義來做任何其他 class 能夠做的事，但通常會讓它維持簡單，只提"
"供一些屬性，讓關於錯誤的資訊可被例外的處理者抽取出來。"

#: ../../tutorial/errors.rst:361
msgid ""
"Most exceptions are defined with names that end in \"Error\", similar to the "
"naming of the standard exceptions."
msgstr "大多數的例外定義，都會以「Error」作為名稱結尾，類似於標準例外的命名。"

#: ../../tutorial/errors.rst:364
msgid ""
"Many standard modules define their own exceptions to report errors that may "
"occur in functions they define."
msgstr "許多標準模組會定義它們自己的例外，以報告在其定義的函式中發生的錯誤。"

#: ../../tutorial/errors.rst:371
msgid "Defining Clean-up Actions"
msgstr "定義清理動作"

#: ../../tutorial/errors.rst:373
msgid ""
"The :keyword:`try` statement has another optional clause which is intended "
"to define clean-up actions that must be executed under all circumstances.  "
"For example::"
msgstr ""
":keyword:`try` 陳述式有另一個選擇性子句，用於定義在所有情況下都必須被執行的清"
"理動作。例如：\n"
"\n"
"::"

#: ../../tutorial/errors.rst:387
msgid ""
"If a :keyword:`finally` clause is present, the :keyword:`!finally` clause "
"will execute as the last task before the :keyword:`try` statement completes. "
"The :keyword:`!finally` clause runs whether or not the :keyword:`!try` "
"statement produces an exception. The following points discuss more complex "
"cases when an exception occurs:"
msgstr ""
"如果 :keyword:`finally` 子句存在，則 :keyword:`!finally` 子句會是 :keyword:"
"`try` 陳述式結束前執行的最後一項任務。不論 :keyword:`!try` 陳述式是否產生例"
"外，都會執行 :keyword:`!finally` 子句。以下幾點將探討例外發生時，比較複雜的情"
"況："

#: ../../tutorial/errors.rst:393
msgid ""
"If an exception occurs during execution of the :keyword:`!try` clause, the "
"exception may be handled by an :keyword:`except` clause. If the exception is "
"not handled by an :keyword:`!except` clause, the exception is re-raised "
"after the :keyword:`!finally` clause has been executed."
msgstr ""
"若一個例外發生於 :keyword:`!try` 子句的執行過程，則該例外會被某個 :keyword:"
"`except` 子句處理。如果該例外沒有被 :keyword:`!except` 子句處理，它會在 :"
"keyword:`!finally` 子句執行後被重新引發。"

#: ../../tutorial/errors.rst:399
msgid ""
"An exception could occur during execution of an :keyword:`!except` or :"
"keyword:`!else` clause. Again, the exception is re-raised after the :keyword:"
"`!finally` clause has been executed."
msgstr ""
"一個例外可能發生於 :keyword:`!except` 或 :keyword:`!else` 子句的執行過程。同"
"樣地，該例外會在 :keyword:`!finally` 子句執行後被重新引發。"

#: ../../tutorial/errors.rst:403
msgid ""
"If the :keyword:`!finally` clause executes a :keyword:`break`, :keyword:"
"`continue` or :keyword:`return` statement, exceptions are not re-raised."
msgstr ""
"如果 :keyword:`!finally` 子句執行 :keyword:`break`\\ 、\\ :keyword:"
"`continue` 或 :keyword:`return` 陳述式，則例外不會被重新引發。"

#: ../../tutorial/errors.rst:407
msgid ""
"If the :keyword:`!try` statement reaches a :keyword:`break`, :keyword:"
"`continue` or :keyword:`return` statement, the :keyword:`!finally` clause "
"will execute just prior to the :keyword:`!break`, :keyword:`!continue` or :"
"keyword:`!return` statement's execution."
msgstr ""
"如果 :keyword:`!try` 陳述式遇到 :keyword:`break`\\ 、\\ :keyword:`continue` "
"或 :keyword:`return` 陳述式，則 :keyword:`!finally` 子句會在執行 :keyword:`!"
"break`\\ 、\\ :keyword:`!continue` 或 :keyword:`!return` 陳述式之前先執行。"

#: ../../tutorial/errors.rst:413
msgid ""
"If a :keyword:`!finally` clause includes a :keyword:`!return` statement, the "
"returned value will be the one from the :keyword:`!finally` clause's :"
"keyword:`!return` statement, not the value from the :keyword:`!try` "
"clause's :keyword:`!return` statement."
msgstr ""
"如果 :keyword:`!finally` 子句中包含 :keyword:`!return` 陳述式，則回傳值會是來"
"自 :keyword:`!finally` 子句的 :keyword:`!return` 陳述式的回傳值，而不是來自 :"
"keyword:`!try` 子句的 :keyword:`!return` 陳述式的回傳值。"

#: ../../tutorial/errors.rst:419
msgid "For example::"
msgstr ""
"例如：\n"
"\n"
"::"

#: ../../tutorial/errors.rst:430
msgid "A more complicated example::"
msgstr ""
"另一個比較複雜的範例：\n"
"\n"
"::"

#: ../../tutorial/errors.rst:455
msgid ""
"As you can see, the :keyword:`finally` clause is executed in any event.  "
"The :exc:`TypeError` raised by dividing two strings is not handled by the :"
"keyword:`except` clause and therefore re-raised after the :keyword:`!"
"finally` clause has been executed."
msgstr ""
"如你所見，\\ :keyword:`finally` 子句在任何情況下都會被執行。兩個字串相除所引"
"發的 :exc:`TypeError` 沒有被 :keyword:`except` 子句處理，因此會在 :keyword:`!"
"finally` 子句執行後被重新引發。"

#: ../../tutorial/errors.rst:460
msgid ""
"In real world applications, the :keyword:`finally` clause is useful for "
"releasing external resources (such as files or network connections), "
"regardless of whether the use of the resource was successful."
msgstr ""
"在真實應用程式中，\\ :keyword:`finally` 子句對於釋放外部資源（例如檔案或網路"
"連線）很有用，無論該資源的使用是否成功。"

#: ../../tutorial/errors.rst:468
msgid "Predefined Clean-up Actions"
msgstr "預定義的清理動作"

#: ../../tutorial/errors.rst:470
msgid ""
"Some objects define standard clean-up actions to be undertaken when the "
"object is no longer needed, regardless of whether or not the operation using "
"the object succeeded or failed. Look at the following example, which tries "
"to open a file and print its contents to the screen. ::"
msgstr ""
"某些物件定義了在物件不再被需要時的標準清理動作，無論使用該物件的作業是成功或"
"失敗。請看以下範例，它嘗試開啟一個檔案，並印出檔案內容至螢幕。\n"
"\n"
"::"

#: ../../tutorial/errors.rst:478
msgid ""
"The problem with this code is that it leaves the file open for an "
"indeterminate amount of time after this part of the code has finished "
"executing. This is not an issue in simple scripts, but can be a problem for "
"larger applications. The :keyword:`with` statement allows objects like files "
"to be used in a way that ensures they are always cleaned up promptly and "
"correctly. ::"
msgstr ""
"這段程式碼的問題在於，執行完該程式碼後，它讓檔案在一段不確定的時間內處於開啟"
"狀態。在簡單腳本中這不是問題，但對於較大的應用程式來說可能會是個問題。\\ :"
"keyword:`with` 陳述式讓物件（例如檔案）在被使用時，能保證它們總是及時、正確地"
"被清理。\n"
"\n"
"::"

#: ../../tutorial/errors.rst:488
msgid ""
"After the statement is executed, the file *f* is always closed, even if a "
"problem was encountered while processing the lines. Objects which, like "
"files, provide predefined clean-up actions will indicate this in their "
"documentation."
msgstr ""
"陳述式執行完畢後，就算是在處理內容時遇到問題，檔案 *f* 總是會被關閉。和檔案一"
"樣，提供預定義清理動作的物件會在說明文件中表明這一點。"

#: ../../tutorial/errors.rst:496
msgid "Raising and Handling Multiple Unrelated Exceptions"
msgstr "引發及處理多個無關的例外"

#: ../../tutorial/errors.rst:498
msgid ""
"There are situations where it is necessary to report several exceptions that "
"have occurred. This is often the case in concurrency frameworks, when "
"several tasks may have failed in parallel, but there are also other use "
"cases where it is desirable to continue execution and collect multiple "
"errors rather than raise the first exception."
msgstr ""
"在某些情況下，必須回報已經發生的多個例外。在並行框架 (concurrency framework) "
"中經常會出現這種情況，當平行的 (parallel) 某些任務可能已經失效，但還有其他用"
"例 (use case) 希望能繼續執行並收集多個例外，而不是只有引發第一個例外時。"

#: ../../tutorial/errors.rst:504
msgid ""
"The builtin :exc:`ExceptionGroup` wraps a list of exception instances so "
"that they can be raised together. It is an exception itself, so it can be "
"caught like any other exception. ::"
msgstr ""
"內建的 :exc:`ExceptionGroup` 會包裝一個例外實例 (exception instance) 的 list"
"（串列），使得它們可以一起被引發。由於它本身就是一個例外，因此它也可以像任何"
"其他例外一樣被捕獲。\n"
"\n"
"::"

#: ../../tutorial/errors.rst:530
msgid ""
"By using ``except*`` instead of ``except``, we can selectively handle only "
"the exceptions in the group that match a certain type. In the following "
"example, which shows a nested exception group, each ``except*`` clause "
"extracts from the group exceptions of a certain type while letting all other "
"exceptions propagate to other clauses and eventually to be reraised. ::"
msgstr ""
"若使用 ``except*`` 代替 ``except``，我們可以選擇性地只處理該群組中與特定類型"
"匹配的例外。在以下範例中，展示了一個巢狀的例外群組 (exception group)，每個 "
"``except*`` 子句分別從該群組中提取一個特定類型的例外，同時讓所有其他的例外都"
"傳遞到其他子句，最後再被重新引發。\n"
"\n"
"::"

#: ../../tutorial/errors.rst:564
msgid ""
"Note that the exceptions nested in an exception group must be instances, not "
"types. This is because in practice the exceptions would typically be ones "
"that have already been raised and caught by the program, along the following "
"pattern::"
msgstr ""
"請注意，被巢套在例外群組中的例外必須是實例，而不是類型。這是因為在實務上，這"
"些例外通常是已經被程式引發並捕獲的例外，類似以下的模式：\n"
"\n"
"::"

#: ../../tutorial/errors.rst:584
msgid "Enriching Exceptions with Notes"
msgstr "用註解使例外更詳細"

#: ../../tutorial/errors.rst:586
msgid ""
"When an exception is created in order to be raised, it is usually "
"initialized with information that describes the error that has occurred. "
"There are cases where it is useful to add information after the exception "
"was caught. For this purpose, exceptions have a method ``add_note(note)`` "
"that accepts a string and adds it to the exception's notes list. The "
"standard traceback rendering includes all notes, in the order they were "
"added, after the exception. ::"
msgstr ""
"當一個例外是為了被引發而建立時，它通常會伴隨著一些資訊被初始化，這些資訊描述"
"了當下發生的錯誤。在某些情況，在例外被捕獲之後添加資訊會很有用。為此，例外具"
"有一個 ``add_note(note)`` method（方法），它可以接受一個字串並將其添加到例外"
"的註解清單中。標準的回溯呈現會在例外之後列出所有的註解，並按照其被添加的順序"
"來排列。\n"
"\n"
"::"

#: ../../tutorial/errors.rst:607
msgid ""
"For example, when collecting exceptions into an exception group, we may want "
"to add context information for the individual errors. In the following each "
"exception in the group has a note indicating when this error has occurred. ::"
msgstr ""
"例如，在將例外收集到例外群組中時，我們可能希望為各個錯誤添加一些上下文的資"
"訊。在以下範例中，群組中的每個例外都有一條註解，指示此錯誤是在何時發生。\n"
"\n"
"::"

#~ msgid ""
#~ "All exceptions inherit from :exc:`BaseException`, and so it can be used "
#~ "to serve as a wildcard. Use this with extreme caution, since it is easy "
#~ "to mask a real programming error in this way!  It can also be used to "
#~ "print an error message and then re-raise the exception (allowing a caller "
#~ "to handle the exception as well)::"
#~ msgstr ""
#~ "所有例外繼承自 :exc:`BaseException`\\ ，以統一處理所有其他例外，但使用上要"
#~ "極其小心，因為這種方式容易遮蔽真正的程式設計錯誤！它也可用於印出錯誤訊息，"
#~ "然後重新引發例外（也讓呼叫者可以處理該例外）：\n"
#~ "\n"
#~ "::"

#~ msgid ""
#~ "Alternatively the last except clause may omit the exception name(s), "
#~ "however the exception value must then be retrieved from ``sys.exc_info()"
#~ "[1]``."
#~ msgstr ""
#~ "或者讓最後一個 except 子句可以省略例外名稱，但之後例外的值必須是從 ``sys."
#~ "exc_info()[1]`` 得到的。"

#~ msgid ""
#~ "The :keyword:`raise` statement allows an optional :keyword:`from<raise>` "
#~ "which enables chaining exceptions. For example::"
#~ msgstr ""
#~ ":keyword:`raise` 陳述式容許一個選擇性的 :keyword:`from<raise>`\\ ，它透過"
#~ "被引發例外中的 ``__cause__`` 屬性的設定，來啟用例外鏈接。例如：\n"
#~ "\n"
#~ "::"

#~ msgid ""
#~ "Exception chaining happens automatically when an exception is raised "
#~ "inside an :keyword:`except` or :keyword:`finally` section. This can be "
#~ "disabled by using ``from None`` idiom:"
#~ msgstr ""
#~ "當例外是在一個 :keyword:`except` 或 :keyword:`finally` 段落的內部被引發"
#~ "時，例外鏈接會自動發生。要使其停止作用，可以使用慣用語 ``from None``："