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# Copyright (C) 2001-2024, Python Software Foundation
# This file is distributed under the same license as the Python package.
#
# Translators:
msgid ""
msgstr ""
"Project-Id-Version: Python 3.12\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2024-09-18 00:04+0000\n"
"PO-Revision-Date: 2018-05-23 14:38+0000\n"
"Last-Translator: Adrian Liaw <adrianliaw2000@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"
"Content-Transfer-Encoding: 8bit\n"
"Plural-Forms: nplurals=1; plural=0;\n"
#: ../../library/ast.rst:2
msgid ":mod:`!ast` --- Abstract Syntax Trees"
msgstr ":mod:`!ast` --- 抽象語法樹 (Abstract Syntax Trees)"
#: ../../library/ast.rst:14
msgid "**Source code:** :source:`Lib/ast.py`"
msgstr "**原始碼：**\\ :source:`Lib/ast.py`"
#: ../../library/ast.rst:18
msgid ""
"The :mod:`ast` module helps Python applications to process trees of the "
"Python abstract syntax grammar. The abstract syntax itself might change "
"with each Python release; this module helps to find out programmatically "
"what the current grammar looks like."
msgstr ""
":mod:`ast` 模組可以幫助 Python 應用程式處理 Python 抽象語法文法 (abstract "
"syntax grammar) 樹狀資料結構。抽象語法本身可能會隨著每個 Python 版本發布而改"
"變；此模組有助於以程式化的方式來得知當前文法的面貌。"
#: ../../library/ast.rst:23
msgid ""
"An abstract syntax tree can be generated by passing :data:`ast."
"PyCF_ONLY_AST` as a flag to the :func:`compile` built-in function, or using "
"the :func:`parse` helper provided in this module. The result will be a tree "
"of objects whose classes all inherit from :class:`ast.AST`. An abstract "
"syntax tree can be compiled into a Python code object using the built-in :"
"func:`compile` function."
msgstr ""
"要生成抽象語法樹，可以透過將 :data:`ast.PyCF_ONLY_AST` 作為旗標傳遞給內建函"
"式 :func:`compile` 或使用此模組所提供的 :func:`parse` 輔助函式。結果將會是一"
"個物件的樹，其類別都繼承自 :class:`ast.AST`。可以使用內建的 :func:`compile` "
"函式將抽象語法樹編譯成 Python 程式碼物件。"
#: ../../library/ast.rst:33
msgid "Abstract Grammar"
msgstr "抽象文法 (Abstract Grammar)"
#: ../../library/ast.rst:35
msgid "The abstract grammar is currently defined as follows:"
msgstr "抽象文法目前定義如下："
#: ../../library/ast.rst:37
msgid ""
"-- ASDL's 4 builtin types are:\n"
"-- identifier, int, string, constant\n"
"\n"
"module Python\n"
"{\n"
" mod = Module(stmt* body, type_ignore* type_ignores)\n"
" | Interactive(stmt* body)\n"
" | Expression(expr body)\n"
" | FunctionType(expr* argtypes, expr returns)\n"
"\n"
" stmt = FunctionDef(identifier name, arguments args,\n"
" stmt* body, expr* decorator_list, expr? returns,\n"
" string? type_comment, type_param* type_params)\n"
" | AsyncFunctionDef(identifier name, arguments args,\n"
" stmt* body, expr* decorator_list, expr? "
"returns,\n"
" string? type_comment, type_param* type_params)\n"
"\n"
" | ClassDef(identifier name,\n"
" expr* bases,\n"
" keyword* keywords,\n"
" stmt* body,\n"
" expr* decorator_list,\n"
" type_param* type_params)\n"
" | Return(expr? value)\n"
"\n"
" | Delete(expr* targets)\n"
" | Assign(expr* targets, expr value, string? type_comment)\n"
" | TypeAlias(expr name, type_param* type_params, expr value)\n"
" | AugAssign(expr target, operator op, expr value)\n"
" -- 'simple' indicates that we annotate simple name without parens\n"
" | AnnAssign(expr target, expr annotation, expr? value, int "
"simple)\n"
"\n"
" -- use 'orelse' because else is a keyword in target languages\n"
" | For(expr target, expr iter, stmt* body, stmt* orelse, string? "
"type_comment)\n"
" | AsyncFor(expr target, expr iter, stmt* body, stmt* orelse, "
"string? type_comment)\n"
" | While(expr test, stmt* body, stmt* orelse)\n"
" | If(expr test, stmt* body, stmt* orelse)\n"
" | With(withitem* items, stmt* body, string? type_comment)\n"
" | AsyncWith(withitem* items, stmt* body, string? type_comment)\n"
"\n"
" | Match(expr subject, match_case* cases)\n"
"\n"
" | Raise(expr? exc, expr? cause)\n"
" | Try(stmt* body, excepthandler* handlers, stmt* orelse, stmt* "
"finalbody)\n"
" | TryStar(stmt* body, excepthandler* handlers, stmt* orelse, stmt* "
"finalbody)\n"
" | Assert(expr test, expr? msg)\n"
"\n"
" | Import(alias* names)\n"
" | ImportFrom(identifier? module, alias* names, int? level)\n"
"\n"
" | Global(identifier* names)\n"
" | Nonlocal(identifier* names)\n"
" | Expr(expr value)\n"
" | Pass | Break | Continue\n"
"\n"
" -- col_offset is the byte offset in the utf8 string the parser "
"uses\n"
" attributes (int lineno, int col_offset, int? end_lineno, int? "
"end_col_offset)\n"
"\n"
" -- BoolOp() can use left & right?\n"
" expr = BoolOp(boolop op, expr* values)\n"
" | NamedExpr(expr target, expr value)\n"
" | BinOp(expr left, operator op, expr right)\n"
" | UnaryOp(unaryop op, expr operand)\n"
" | Lambda(arguments args, expr body)\n"
" | IfExp(expr test, expr body, expr orelse)\n"
" | Dict(expr* keys, expr* values)\n"
" | Set(expr* elts)\n"
" | ListComp(expr elt, comprehension* generators)\n"
" | SetComp(expr elt, comprehension* generators)\n"
" | DictComp(expr key, expr value, comprehension* generators)\n"
" | GeneratorExp(expr elt, comprehension* generators)\n"
" -- the grammar constrains where yield expressions can occur\n"
" | Await(expr value)\n"
" | Yield(expr? value)\n"
" | YieldFrom(expr value)\n"
" -- need sequences for compare to distinguish between\n"
" -- x < 4 < 3 and (x < 4) < 3\n"
" | Compare(expr left, cmpop* ops, expr* comparators)\n"
" | Call(expr func, expr* args, keyword* keywords)\n"
" | FormattedValue(expr value, int conversion, expr? format_spec)\n"
" | JoinedStr(expr* values)\n"
" | Constant(constant value, string? kind)\n"
"\n"
" -- the following expression can appear in assignment context\n"
" | Attribute(expr value, identifier attr, expr_context ctx)\n"
" | Subscript(expr value, expr slice, expr_context ctx)\n"
" | Starred(expr value, expr_context ctx)\n"
" | Name(identifier id, expr_context ctx)\n"
" | List(expr* elts, expr_context ctx)\n"
" | Tuple(expr* elts, expr_context ctx)\n"
"\n"
" -- can appear only in Subscript\n"
" | Slice(expr? lower, expr? upper, expr? step)\n"
"\n"
" -- col_offset is the byte offset in the utf8 string the parser "
"uses\n"
" attributes (int lineno, int col_offset, int? end_lineno, int? "
"end_col_offset)\n"
"\n"
" expr_context = Load | Store | Del\n"
"\n"
" boolop = And | Or\n"
"\n"
" operator = Add | Sub | Mult | MatMult | Div | Mod | Pow | LShift\n"
" | RShift | BitOr | BitXor | BitAnd | FloorDiv\n"
"\n"
" unaryop = Invert | Not | UAdd | USub\n"
"\n"
" cmpop = Eq | NotEq | Lt | LtE | Gt | GtE | Is | IsNot | In | NotIn\n"
"\n"
" comprehension = (expr target, expr iter, expr* ifs, int is_async)\n"
"\n"
" excepthandler = ExceptHandler(expr? type, identifier? name, stmt* body)\n"
" attributes (int lineno, int col_offset, int? end_lineno, "
"int? end_col_offset)\n"
"\n"
" arguments = (arg* posonlyargs, arg* args, arg? vararg, arg* kwonlyargs,\n"
" expr* kw_defaults, arg? kwarg, expr* defaults)\n"
"\n"
" arg = (identifier arg, expr? annotation, string? type_comment)\n"
" attributes (int lineno, int col_offset, int? end_lineno, int? "
"end_col_offset)\n"
"\n"
" -- keyword arguments supplied to call (NULL identifier for **kwargs)\n"
" keyword = (identifier? arg, expr value)\n"
" attributes (int lineno, int col_offset, int? end_lineno, int? "
"end_col_offset)\n"
"\n"
" -- import name with optional 'as' alias.\n"
" alias = (identifier name, identifier? asname)\n"
" attributes (int lineno, int col_offset, int? end_lineno, int? "
"end_col_offset)\n"
"\n"
" withitem = (expr context_expr, expr? optional_vars)\n"
"\n"
" match_case = (pattern pattern, expr? guard, stmt* body)\n"
"\n"
" pattern = MatchValue(expr value)\n"
" | MatchSingleton(constant value)\n"
" | MatchSequence(pattern* patterns)\n"
" | MatchMapping(expr* keys, pattern* patterns, identifier? rest)\n"
" | MatchClass(expr cls, pattern* patterns, identifier* kwd_attrs, "
"pattern* kwd_patterns)\n"
"\n"
" | MatchStar(identifier? name)\n"
" -- The optional \"rest\" MatchMapping parameter handles "
"capturing extra mapping keys\n"
"\n"
" | MatchAs(pattern? pattern, identifier? name)\n"
" | MatchOr(pattern* patterns)\n"
"\n"
" attributes (int lineno, int col_offset, int end_lineno, int "
"end_col_offset)\n"
"\n"
" type_ignore = TypeIgnore(int lineno, string tag)\n"
"\n"
" type_param = TypeVar(identifier name, expr? bound)\n"
" | ParamSpec(identifier name)\n"
" | TypeVarTuple(identifier name)\n"
" attributes (int lineno, int col_offset, int end_lineno, int "
"end_col_offset)\n"
"}\n"
msgstr ""
#: ../../library/ast.rst:42
msgid "Node classes"
msgstr "節點 (Node) 類別"
#: ../../library/ast.rst:46
msgid ""
"This is the base of all AST node classes. The actual node classes are "
"derived from the :file:`Parser/Python.asdl` file, which is reproduced :ref:"
"`above <abstract-grammar>`. They are defined in the :mod:`!_ast` C module "
"and re-exported in :mod:`ast`."
msgstr ""
"這是所有 AST 節點類別的基礎。實際的節點類別是衍生自 :file:`Parser/Python."
"asdl` 檔案，該檔案在\\ :ref:`上方 <abstract-grammar>` 重現。它們被定義於 :"
"mod:`!_ast` 的 C 模組中，並於 :mod:`ast` 中重新匯出。"
#: ../../library/ast.rst:51
msgid ""
"There is one class defined for each left-hand side symbol in the abstract "
"grammar (for example, :class:`ast.stmt` or :class:`ast.expr`). In addition, "
"there is one class defined for each constructor on the right-hand side; "
"these classes inherit from the classes for the left-hand side trees. For "
"example, :class:`ast.BinOp` inherits from :class:`ast.expr`. For production "
"rules with alternatives (aka \"sums\"), the left-hand side class is "
"abstract: only instances of specific constructor nodes are ever created."
msgstr ""
"抽象文法中為每個左側符號定義了一個類別（例如 :class:`ast.stmt` 或 :class:"
"`ast.expr`\\ ）。此外，也為每個右側的建構函式 (constructor) 定義了一個類別；"
"這些類別繼承自左側樹的類別。例如，:class:`ast.BinOp` 繼承自 :class:`ast."
"expr`。對於具有替代方案（即為「和 (sums)」）的生產規則，左側類別是抽象的：僅"
"有特定建構函式節點的實例會被建立。"
#: ../../library/ast.rst:64
msgid ""
"Each concrete class has an attribute :attr:`_fields` which gives the names "
"of all child nodes."
msgstr "每個具體類別都有一個屬性 :attr:`_fields`，它會給出所有子節點的名稱。"
#: ../../library/ast.rst:67
msgid ""
"Each instance of a concrete class has one attribute for each child node, of "
"the type as defined in the grammar. For example, :class:`ast.BinOp` "
"instances have an attribute :attr:`left` of type :class:`ast.expr`."
msgstr ""
"具體類別的每個實例對於每個子節點都有一個屬性，其型別如文法中所定義。例如，:"
"class:`ast.BinOp` 實例具有型別為 :class:`ast.expr` 的屬性 :attr:`left`。"
#: ../../library/ast.rst:71
msgid ""
"If these attributes are marked as optional in the grammar (using a question "
"mark), the value might be ``None``. If the attributes can have zero-or-more "
"values (marked with an asterisk), the values are represented as Python "
"lists. All possible attributes must be present and have valid values when "
"compiling an AST with :func:`compile`."
msgstr ""
"如果這些屬性在文法中被標記為可選（使用問號），則該值可能為 ``None``。如果屬性"
"可以有零個或多個值（用星號標記），則這些值將表示為 Python 串列。使用 :func:"
"`compile` 編譯 AST 時，所有可能的屬性都必須存在並且具有有效值。"
#: ../../library/ast.rst:82
msgid ""
"Instances of :class:`ast.expr` and :class:`ast.stmt` subclasses have :attr:"
"`lineno`, :attr:`col_offset`, :attr:`end_lineno`, and :attr:`end_col_offset` "
"attributes. The :attr:`lineno` and :attr:`end_lineno` are the first and "
"last line numbers of source text span (1-indexed so the first line is line "
"1) and the :attr:`col_offset` and :attr:`end_col_offset` are the "
"corresponding UTF-8 byte offsets of the first and last tokens that generated "
"the node. The UTF-8 offset is recorded because the parser uses UTF-8 "
"internally."
msgstr ""
":class:`ast.expr` 和 :class:`ast.stmt` 子類別的實例具有 :attr:`lineno`、:"
"attr:`col_offset`、:attr:`end_lineno` 和 :attr:`end_col_offset` 屬性。:attr:"
"`lineno` 和 :attr:`end_lineno` 是原始文本跨度 (source text span) 的第一個和最"
"後一個列號（1-indexed，因此第一列號是 1）以及 :attr:`col_offset` 和 :attr:"
"`end_col_offset` 是生成節點的第一個和最後一個標記對應的 UTF-8 位元組偏移量。"
"會記錄 UTF-8 偏移量是因為剖析器 (parser) 內部使用 UTF-8。"
#: ../../library/ast.rst:91
msgid ""
"Note that the end positions are not required by the compiler and are "
"therefore optional. The end offset is *after* the last symbol, for example "
"one can get the source segment of a one-line expression node using "
"``source_line[node.col_offset : node.end_col_offset]``."
msgstr ""
"請注意，編譯器並不需要結束位置，因此其為可選的。結束偏移量在最後一個符號\\ *"
"之後*，例如可以使用 ``source_line[node.col_offset : node.end_col_offset]`` 來"
"獲取單列運算式節點 (expression node) 的原始片段。"
#: ../../library/ast.rst:96
msgid ""
"The constructor of a class :class:`ast.T` parses its arguments as follows:"
msgstr ":class:`ast.T` 類別的建構函式按以下方式剖析其引數："
#: ../../library/ast.rst:98
msgid ""
"If there are positional arguments, there must be as many as there are items "
"in :attr:`T._fields`; they will be assigned as attributes of these names."
msgstr ""
"如果有位置引數，則必須與 :attr:`T._fields` 中的項目一樣多；它們將被賦値為這些"
"名稱的屬性。"
#: ../../library/ast.rst:100
msgid ""
"If there are keyword arguments, they will set the attributes of the same "
"names to the given values."
msgstr "如果有關鍵字引數，它們會將相同名稱的屬性設定為給定值。"
#: ../../library/ast.rst:103
msgid ""
"For example, to create and populate an :class:`ast.UnaryOp` node, you could "
"use ::"
msgstr ""
"例如，要建立並填充 (populate) :class:`ast.UnaryOp` 節點，你可以使用： ::"
#: ../../library/ast.rst:106
msgid ""
"node = ast.UnaryOp()\n"
"node.op = ast.USub()\n"
"node.operand = ast.Constant()\n"
"node.operand.value = 5\n"
"node.operand.lineno = 0\n"
"node.operand.col_offset = 0\n"
"node.lineno = 0\n"
"node.col_offset = 0"
msgstr ""
"node = ast.UnaryOp()\n"
"node.op = ast.USub()\n"
"node.operand = ast.Constant()\n"
"node.operand.value = 5\n"
"node.operand.lineno = 0\n"
"node.operand.col_offset = 0\n"
"node.lineno = 0\n"
"node.col_offset = 0"
#: ../../library/ast.rst:115
msgid "or the more compact ::"
msgstr "或更簡潔的： ::"
#: ../../library/ast.rst:117
msgid ""
"node = ast.UnaryOp(ast.USub(), ast.Constant(5, lineno=0, col_offset=0),\n"
" lineno=0, col_offset=0)"
msgstr ""
"node = ast.UnaryOp(ast.USub(), ast.Constant(5, lineno=0, col_offset=0),\n"
" lineno=0, col_offset=0)"
#: ../../library/ast.rst:122
msgid "Class :class:`ast.Constant` is now used for all constants."
msgstr ":class:`ast.Constant` 類別現在用於所有常數。"
#: ../../library/ast.rst:126
msgid ""
"Simple indices are represented by their value, extended slices are "
"represented as tuples."
msgstr "以它們的值表示簡單索引，擴充切片 (slice) 則以元組 (tuple) 表示。"
#: ../../library/ast.rst:131
msgid ""
"Old classes :class:`!ast.Num`, :class:`!ast.Str`, :class:`!ast.Bytes`, :"
"class:`!ast.NameConstant` and :class:`!ast.Ellipsis` are still available, "
"but they will be removed in future Python releases. In the meantime, "
"instantiating them will return an instance of a different class."
msgstr ""
"舊的類別 :class:`!ast.Num`、:class:`!ast.Str`、:class:`!ast.Bytes`、:class:`!"
"ast.NameConstant` 和 :class:`!ast.Ellipsis` 仍然可用，但它們將在未來的 "
"Python 釋出版本中移除。與此同時，實例化它們將回傳不同類別的實例。"
#: ../../library/ast.rst:138
msgid ""
"Old classes :class:`!ast.Index` and :class:`!ast.ExtSlice` are still "
"available, but they will be removed in future Python releases. In the "
"meantime, instantiating them will return an instance of a different class."
msgstr ""
"舊的類別 :class:`!ast.Index` 和 :class:`!ast.ExtSlice` 仍然可用，但它們將在未"
"來的 Python 版本中刪除。同時，實例化它們會回傳不同類別的實例。"
#: ../../library/ast.rst:144
msgid ""
"The descriptions of the specific node classes displayed here were initially "
"adapted from the fantastic `Green Tree Snakes <https://greentreesnakes."
"readthedocs.io/en/latest/>`__ project and all its contributors."
msgstr ""
"這裡顯示的特定節點類別的描述最初是從出色的 `Green Tree Snakes <https://"
"greentreesnakes.readthedocs.io/en/latest/>`__ 專案和所有貢獻者那裡改編而來"
"的。"
#: ../../library/ast.rst:153
msgid "Root nodes"
msgstr "根節點"
#: ../../library/ast.rst:157
msgid ""
"A Python module, as with :ref:`file input <file-input>`. Node type generated "
"by :func:`ast.parse` in the default ``\"exec\"`` *mode*."
msgstr ""
"一個 Python 模組，與\\ :ref:`檔案輸入 <file-input>` 一樣。由 :func:`ast."
"parse` 在預設的 ``\"exec\"`` *mode* 下生成的節點型別。"
#: ../../library/ast.rst:160
msgid "*body* is a :class:`list` of the module's :ref:`ast-statements`."
msgstr "*body* 是模組的\\ :ref:`ast-statements` 的一個 :class:`list`。"
#: ../../library/ast.rst:162
msgid ""
"*type_ignores* is a :class:`list` of the module's type ignore comments; see :"
"func:`ast.parse` for more details."
msgstr ""
"*type_ignores* 是模組的忽略型別註解的 :class:`list`；有關更多詳細資訊，請參"
"閱 :func:`ast.parse`。"
#: ../../library/ast.rst:165
msgid ""
">>> print(ast.dump(ast.parse('x = 1'), indent=4))\n"
"Module(\n"
" body=[\n"
" Assign(\n"
" targets=[\n"
" Name(id='x', ctx=Store())],\n"
" value=Constant(value=1))],\n"
" type_ignores=[])"
msgstr ""
">>> print(ast.dump(ast.parse('x = 1'), indent=4))\n"
"Module(\n"
" body=[\n"
" Assign(\n"
" targets=[\n"
" Name(id='x', ctx=Store())],\n"
" value=Constant(value=1))],\n"
" type_ignores=[])"
#: ../../library/ast.rst:179
msgid ""
"A single Python :ref:`expression input <expression-input>`. Node type "
"generated by :func:`ast.parse` when *mode* is ``\"eval\"``."
msgstr ""
"單個 Python :ref:`運算式輸入 <expression-input>`。當 *mode* 是 ``\"eval\"`` "
"時節點型別由 :func:`ast.parse` 生成。"
#: ../../library/ast.rst:182
msgid ""
"*body* is a single node, one of the :ref:`expression types <ast-"
"expressions>`."
msgstr ""
"*body* 是單個節點，是\\ :ref:`運算式型別 <ast-expressions>`\\ 的其中之一。"
#: ../../library/ast.rst:185 ../../library/ast.rst:255
msgid ""
">>> print(ast.dump(ast.parse('123', mode='eval'), indent=4))\n"
"Expression(\n"
" body=Constant(value=123))"
msgstr ""
">>> print(ast.dump(ast.parse('123', mode='eval'), indent=4))\n"
"Expression(\n"
" body=Constant(value=123))"
#: ../../library/ast.rst:194
msgid ""
"A single :ref:`interactive input <interactive>`, like in :ref:`tut-interac`. "
"Node type generated by :func:`ast.parse` when *mode* is ``\"single\"``."
msgstr ""
"單個\\ :ref:`互動式輸入 <interactive>`，和\\ :ref:`tut-interac`\\ 中所述的相"
"似。當 *mode* 是 ``\"single\"`` 時節點型別由 :func:`ast.parse` 生成。"
#: ../../library/ast.rst:197
msgid "*body* is a :class:`list` of :ref:`statement nodes <ast-statements>`."
msgstr ""
"*body* 是\\ :ref:`陳述式節點 (statement nodes) <ast-statements>` 的 :class:"
"`list`。"
#: ../../library/ast.rst:199
msgid ""
">>> print(ast.dump(ast.parse('x = 1; y = 2', mode='single'), indent=4))\n"
"Interactive(\n"
" body=[\n"
" Assign(\n"
" targets=[\n"
" Name(id='x', ctx=Store())],\n"
" value=Constant(value=1)),\n"
" Assign(\n"
" targets=[\n"
" Name(id='y', ctx=Store())],\n"
" value=Constant(value=2))])"
msgstr ""
">>> print(ast.dump(ast.parse('x = 1; y = 2', mode='single'), indent=4))\n"
"Interactive(\n"
" body=[\n"
" Assign(\n"
" targets=[\n"
" Name(id='x', ctx=Store())],\n"
" value=Constant(value=1)),\n"
" Assign(\n"
" targets=[\n"
" Name(id='y', ctx=Store())],\n"
" value=Constant(value=2))])"
#: ../../library/ast.rst:216
msgid ""
"A representation of an old-style type comments for functions, as Python "
"versions prior to 3.5 didn't support :pep:`484` annotations. Node type "
"generated by :func:`ast.parse` when *mode* is ``\"func_type\"``."
msgstr ""
"函式的舊式型別註解的表示法，因為 3.5 之前的 Python 版本不支援 :pep:`484` 註"
"釋。當 *mode* 是 ``\"func_type\"`` 時節點型別由 :func:`ast.parse` 生成。"
#: ../../library/ast.rst:220
msgid "Such type comments would look like this::"
msgstr "這種型別的註解看起來像這樣： ::"
#: ../../library/ast.rst:222
msgid ""
"def sum_two_number(a, b):\n"
" # type: (int, int) -> int\n"
" return a + b"
msgstr ""
"def sum_two_number(a, b):\n"
" # type: (int, int) -> int\n"
" return a + b"
#: ../../library/ast.rst:226
msgid ""
"*argtypes* is a :class:`list` of :ref:`expression nodes <ast-expressions>`."
msgstr ""
"*argtypes* 是\\ :ref:`運算式節點 <ast-expressions>`\\ 的 :class:`list`。"
#: ../../library/ast.rst:228
msgid "*returns* is a single :ref:`expression node <ast-expressions>`."
msgstr "*returns* 是單個\\ :ref:`運算式節點 <ast-expressions>`。"
#: ../../library/ast.rst:230
msgid ""
">>> print(ast.dump(ast.parse('(int, str) -> List[int]', mode='func_type'), "
"indent=4))\n"
"FunctionType(\n"
" argtypes=[\n"
" Name(id='int', ctx=Load()),\n"
" Name(id='str', ctx=Load())],\n"
" returns=Subscript(\n"
" value=Name(id='List', ctx=Load()),\n"
" slice=Name(id='int', ctx=Load()),\n"
" ctx=Load()))"
msgstr ""
">>> print(ast.dump(ast.parse('(int, str) -> List[int]', mode='func_type'), "
"indent=4))\n"
"FunctionType(\n"
" argtypes=[\n"
" Name(id='int', ctx=Load()),\n"
" Name(id='str', ctx=Load())],\n"
" returns=Subscript(\n"
" value=Name(id='List', ctx=Load()),\n"
" slice=Name(id='int', ctx=Load()),\n"
" ctx=Load()))"
#: ../../library/ast.rst:246
msgid "Literals"
msgstr "文本 (Literals)"
#: ../../library/ast.rst:250
msgid ""
"A constant value. The ``value`` attribute of the ``Constant`` literal "
"contains the Python object it represents. The values represented can be "
"simple types such as a number, string or ``None``, but also immutable "
"container types (tuples and frozensets) if all of their elements are "
"constant."
msgstr ""
"一個常數值。``Constant`` 文本的 ``value`` 屬性包含它所代表的 Python 物件。表"
"示的值可以是簡單型別，例如數字、字串或 ``None``，但如果它們的所有元素都是常"
"數，也可以是不可變的 (immutable) 容器型別（元組和凍結集合 (frozensets)）。"
#: ../../library/ast.rst:264
msgid ""
"Node representing a single formatting field in an f-string. If the string "
"contains a single formatting field and nothing else the node can be isolated "
"otherwise it appears in :class:`JoinedStr`."
msgstr ""
"表示 f 字串 (f-string) 中的單個格式化欄位的節點。如果字串包含單個格式欄位並且"
"沒有其他內容，則可以隔離 (isolate) 該節點，否則它將出現在 :class:`JoinedStr` "
"中。"
#: ../../library/ast.rst:268
msgid ""
"``value`` is any expression node (such as a literal, a variable, or a "
"function call)."
msgstr "``value`` 為任何運算式節點（例如文字、變數或函式呼叫）。"
#: ../../library/ast.rst:270
msgid "``conversion`` is an integer:"
msgstr "``conversion`` 是一個整數："
#: ../../library/ast.rst:272
msgid "-1: no formatting"
msgstr "-1: 無格式化"
#: ../../library/ast.rst:273
msgid "115: ``!s`` string formatting"
msgstr "115: ``!s`` 字串格式化"
#: ../../library/ast.rst:274
msgid "114: ``!r`` repr formatting"
msgstr "114:``!r`` 重複格式化化"
#: ../../library/ast.rst:275
msgid "97: ``!a`` ascii formatting"
msgstr "97: ``！a`` ascii 格式化"
#: ../../library/ast.rst:277
msgid ""
"``format_spec`` is a :class:`JoinedStr` node representing the formatting of "
"the value, or ``None`` if no format was specified. Both ``conversion`` and "
"``format_spec`` can be set at the same time."
msgstr ""
"``format_spec`` 是一個 :class:`JoinedStr` 節點，表示值的格式，若未指定格式則"
"為 ``None``。``conversion`` 和 ``format_spec`` 可以同時設定。"
#: ../../library/ast.rst:284
msgid ""
"An f-string, comprising a series of :class:`FormattedValue` and :class:"
"`Constant` nodes."
msgstr ""
"一個 f 字串，包含一系列 :class:`FormattedValue` 和 :class:`Constant` 節點。"
#: ../../library/ast.rst:287
msgid ""
">>> print(ast.dump(ast.parse('f\"sin({a}) is {sin(a):.3}\"', mode='eval'), "
"indent=4))\n"
"Expression(\n"
" body=JoinedStr(\n"
" values=[\n"
" Constant(value='sin('),\n"
" FormattedValue(\n"
" value=Name(id='a', ctx=Load()),\n"
" conversion=-1),\n"
" Constant(value=') is '),\n"
" FormattedValue(\n"
" value=Call(\n"
" func=Name(id='sin', ctx=Load()),\n"
" args=[\n"
" Name(id='a', ctx=Load())],\n"
" keywords=[]),\n"
" conversion=-1,\n"
" format_spec=JoinedStr(\n"
" values=[\n"
" Constant(value='.3')]))]))"
msgstr ""
">>> print(ast.dump(ast.parse('f\"sin({a}) is {sin(a):.3}\"', mode='eval'), "
"indent=4))\n"
"Expression(\n"
" body=JoinedStr(\n"
" values=[\n"
" Constant(value='sin('),\n"
" FormattedValue(\n"
" value=Name(id='a', ctx=Load()),\n"
" conversion=-1),\n"
" Constant(value=') is '),\n"
" FormattedValue(\n"
" value=Call(\n"
" func=Name(id='sin', ctx=Load()),\n"
" args=[\n"
" Name(id='a', ctx=Load())],\n"
" keywords=[]),\n"
" conversion=-1,\n"
" format_spec=JoinedStr(\n"
" values=[\n"
" Constant(value='.3')]))]))"
#: ../../library/ast.rst:313
msgid ""
"A list or tuple. ``elts`` holds a list of nodes representing the elements. "
"``ctx`` is :class:`Store` if the container is an assignment target (i.e. "
"``(x,y)=something``), and :class:`Load` otherwise."
msgstr ""
"串列或元組。``elts`` 保存表示元素的節點串列。如果容器是賦值目標（即 ``(x,"
"y)=something`` ），則 ``ctx`` 是 :class:`Store`，否則是 :class:`Load`。"
#: ../../library/ast.rst:317
msgid ""
">>> print(ast.dump(ast.parse('[1, 2, 3]', mode='eval'), indent=4))\n"
"Expression(\n"
" body=List(\n"
" elts=[\n"
" Constant(value=1),\n"
" Constant(value=2),\n"
" Constant(value=3)],\n"
" ctx=Load()))\n"
">>> print(ast.dump(ast.parse('(1, 2, 3)', mode='eval'), indent=4))\n"
"Expression(\n"
" body=Tuple(\n"
" elts=[\n"
" Constant(value=1),\n"
" Constant(value=2),\n"
" Constant(value=3)],\n"
" ctx=Load()))"
msgstr ""
">>> print(ast.dump(ast.parse('[1, 2, 3]', mode='eval'), indent=4))\n"
"Expression(\n"
" body=List(\n"
" elts=[\n"
" Constant(value=1),\n"
" Constant(value=2),\n"
" Constant(value=3)],\n"
" ctx=Load()))\n"
">>> print(ast.dump(ast.parse('(1, 2, 3)', mode='eval'), indent=4))\n"
"Expression(\n"
" body=Tuple(\n"
" elts=[\n"
" Constant(value=1),\n"
" Constant(value=2),\n"
" Constant(value=3)],\n"
" ctx=Load()))"
#: ../../library/ast.rst:339
msgid "A set. ``elts`` holds a list of nodes representing the set's elements."
msgstr "一個集合。``elts`` 保存表示集合之元素的節點串列。"
#: ../../library/ast.rst:341
msgid ""
">>> print(ast.dump(ast.parse('{1, 2, 3}', mode='eval'), indent=4))\n"
"Expression(\n"
" body=Set(\n"
" elts=[\n"
" Constant(value=1),\n"
" Constant(value=2),\n"
" Constant(value=3)]))"
msgstr ""
">>> print(ast.dump(ast.parse('{1, 2, 3}', mode='eval'), indent=4))\n"
"Expression(\n"
" body=Set(\n"
" elts=[\n"
" Constant(value=1),\n"
" Constant(value=2),\n"
" Constant(value=3)]))"
#: ../../library/ast.rst:354
msgid ""
"A dictionary. ``keys`` and ``values`` hold lists of nodes representing the "
"keys and the values respectively, in matching order (what would be returned "
"when calling :code:`dictionary.keys()` and :code:`dictionary.values()`)."
msgstr ""
"一個字典 (dictionary)。``keys`` 和 ``values`` 分別按匹配順序保存表示鍵和值的"
"節點串列（為呼叫 :code:`dictionary.keys()` 和 :code:`dictionary.values()` 時"
"將回傳的內容）。"
#: ../../library/ast.rst:358
msgid ""
"When doing dictionary unpacking using dictionary literals the expression to "
"be expanded goes in the ``values`` list, with a ``None`` at the "
"corresponding position in ``keys``."
msgstr ""
"當使用字典文本進行字典解包 (unpack) 時，要擴充的運算式位於 ``values`` 串列"
"中，在 ``keys`` 中的相應位置有一個 ``None``。"
#: ../../library/ast.rst:362
msgid ""
">>> print(ast.dump(ast.parse('{\"a\":1, **d}', mode='eval'), indent=4))\n"
"Expression(\n"
" body=Dict(\n"
" keys=[\n"
" Constant(value='a'),\n"
" None],\n"
" values=[\n"
" Constant(value=1),\n"
" Name(id='d', ctx=Load())]))"
msgstr ""
">>> print(ast.dump(ast.parse('{\"a\":1, **d}', mode='eval'), indent=4))\n"
"Expression(\n"
" body=Dict(\n"
" keys=[\n"
" Constant(value='a'),\n"
" None],\n"
" values=[\n"
" Constant(value=1),\n"
" Name(id='d', ctx=Load())]))"
#: ../../library/ast.rst:376
msgid "Variables"
msgstr "變數"
#: ../../library/ast.rst:380
msgid ""
"A variable name. ``id`` holds the name as a string, and ``ctx`` is one of "
"the following types."
msgstr "一個變數名稱。``id`` 將名稱以字串形式保存，且 ``ctx`` 是以下型別之一。"
#: ../../library/ast.rst:388
msgid ""
"Variable references can be used to load the value of a variable, to assign a "
"new value to it, or to delete it. Variable references are given a context to "
"distinguish these cases."
msgstr ""
"變數參照可用於載入變數的值、為其分配新值或刪除它。變數參照被賦予情境 "
"(context) 來區分這些情況。"
#: ../../library/ast.rst:392
msgid ""
">>> print(ast.dump(ast.parse('a'), indent=4))\n"
"Module(\n"
" body=[\n"
" Expr(\n"
" value=Name(id='a', ctx=Load()))],\n"
" type_ignores=[])\n"
"\n"
">>> print(ast.dump(ast.parse('a = 1'), indent=4))\n"
"Module(\n"
" body=[\n"
" Assign(\n"
" targets=[\n"
" Name(id='a', ctx=Store())],\n"
" value=Constant(value=1))],\n"
" type_ignores=[])\n"
"\n"
">>> print(ast.dump(ast.parse('del a'), indent=4))\n"
"Module(\n"
" body=[\n"
" Delete(\n"
" targets=[\n"
" Name(id='a', ctx=Del())])],\n"
" type_ignores=[])"
msgstr ""
">>> print(ast.dump(ast.parse('a'), indent=4))\n"
"Module(\n"
" body=[\n"
" Expr(\n"
" value=Name(id='a', ctx=Load()))],\n"
" type_ignores=[])\n"
"\n"
">>> print(ast.dump(ast.parse('a = 1'), indent=4))\n"
"Module(\n"
" body=[\n"
" Assign(\n"
" targets=[\n"
" Name(id='a', ctx=Store())],\n"
" value=Constant(value=1))],\n"
" type_ignores=[])\n"
"\n"
">>> print(ast.dump(ast.parse('del a'), indent=4))\n"
"Module(\n"
" body=[\n"
" Delete(\n"
" targets=[\n"
" Name(id='a', ctx=Del())])],\n"
" type_ignores=[])"
#: ../../library/ast.rst:421
msgid ""
"A ``*var`` variable reference. ``value`` holds the variable, typically a :"
"class:`Name` node. This type must be used when building a :class:`Call` node "
"with ``*args``."
msgstr ""
"一個 ``*var`` 變數參照。``value`` 保存變數，通常是一個 :class:`Name` 節點。在"
"使用 ``*args`` 建置 :class:`Call` 節點時必須使用此型別。"
#: ../../library/ast.rst:425
msgid ""
">>> print(ast.dump(ast.parse('a, *b = it'), indent=4))\n"
"Module(\n"
" body=[\n"
" Assign(\n"
" targets=[\n"
" Tuple(\n"
" elts=[\n"
" Name(id='a', ctx=Store()),\n"
" Starred(\n"
" value=Name(id='b', ctx=Store()),\n"
" ctx=Store())],\n"
" ctx=Store())],\n"
" value=Name(id='it', ctx=Load()))],\n"
" type_ignores=[])"
msgstr ""
">>> print(ast.dump(ast.parse('a, *b = it'), indent=4))\n"
"Module(\n"
" body=[\n"
" Assign(\n"
" targets=[\n"
" Tuple(\n"
" elts=[\n"
" Name(id='a', ctx=Store()),\n"
" Starred(\n"
" value=Name(id='b', ctx=Store()),\n"
" ctx=Store())],\n"
" ctx=Store())],\n"
" value=Name(id='it', ctx=Load()))],\n"
" type_ignores=[])"
#: ../../library/ast.rst:446
msgid "Expressions"
msgstr "運算式"
#: ../../library/ast.rst:450
msgid ""
"When an expression, such as a function call, appears as a statement by "
"itself with its return value not used or stored, it is wrapped in this "
"container. ``value`` holds one of the other nodes in this section, a :class:"
"`Constant`, a :class:`Name`, a :class:`Lambda`, a :class:`Yield` or :class:"
"`YieldFrom` node."
msgstr ""
"當運算式（例如函式呼叫）本身作為陳述式出現且未使用或儲存其回傳值時，它將被包"
"裝在此容器中。``value`` 保存此區段 (section) 中的一個其他節點：:class:"
"`Constant`、:class:`Name`、:class:`Lambda`、:class:`Yield` 或 :class:"
"`YieldFrom`"
#: ../../library/ast.rst:455
msgid ""
">>> print(ast.dump(ast.parse('-a'), indent=4))\n"
"Module(\n"
" body=[\n"
" Expr(\n"
" value=UnaryOp(\n"
" op=USub(),\n"
" operand=Name(id='a', ctx=Load())))],\n"
" type_ignores=[])"
msgstr ""
">>> print(ast.dump(ast.parse('-a'), indent=4))\n"
"Module(\n"
" body=[\n"
" Expr(\n"
" value=UnaryOp(\n"
" op=USub(),\n"
" operand=Name(id='a', ctx=Load())))],\n"
" type_ignores=[])"
#: ../../library/ast.rst:469
msgid ""
"A unary operation. ``op`` is the operator, and ``operand`` any expression "
"node."
msgstr ""
"一元運算 (unary operation)。``op`` 是運算子，``operand`` 是任何運算式節點。"
#: ../../library/ast.rst:478
msgid ""
"Unary operator tokens. :class:`Not` is the ``not`` keyword, :class:`Invert` "
"is the ``~`` operator."
msgstr ""
"一元運算子標記。 :class:`Not` 是 ``not`` 關鍵字、:class:`Invert` 是 ``~`` 運"
"算子。"
#: ../../library/ast.rst:481
msgid ""
">>> print(ast.dump(ast.parse('not x', mode='eval'), indent=4))\n"
"Expression(\n"
" body=UnaryOp(\n"
" op=Not(),\n"
" operand=Name(id='x', ctx=Load())))"
msgstr ""
">>> print(ast.dump(ast.parse('not x', mode='eval'), indent=4))\n"
"Expression(\n"
" body=UnaryOp(\n"
" op=Not(),\n"
" operand=Name(id='x', ctx=Load())))"
#: ../../library/ast.rst:492
msgid ""
"A binary operation (like addition or division). ``op`` is the operator, and "
"``left`` and ``right`` are any expression nodes."
msgstr ""
"二元運算 (binary operation)（如加法或除法）。 ``op`` 是運算子、``left`` 和 "
"``right`` 是任意運算式節點。"
#: ../../library/ast.rst:495
msgid ""
">>> print(ast.dump(ast.parse('x + y', mode='eval'), indent=4))\n"
"Expression(\n"
" body=BinOp(\n"
" left=Name(id='x', ctx=Load()),\n"
" op=Add(),\n"
" right=Name(id='y', ctx=Load())))"
msgstr ""
">>> print(ast.dump(ast.parse('x + y', mode='eval'), indent=4))\n"
"Expression(\n"