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GeezerVison is showing github.com — python-docs-ja/library/ast.po at 3.12 · python/python-docs-ja Expand file tree/ Copy pathast.poMore file actions 3423 lines (3099 loc) · 127 KB / Copy pathast.poFile metadata and controls3423 lines (3099 loc) · 127 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 # 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: # tomo, 2021 # Yusuke Miyazaki <[email protected]>, 2022 # Takeshi Nakazato, 2023 # Arihiro TAKASE, 2023 # 石井明久, 2024 # Takanori Suzuki <[email protected]>, 2025 # #, fuzzy msgid "" msgstr "" "Project-Id-Version: Python 3.14\n" "Report-Msgid-Bugs-To: \n" "POT-Creation-Date: 2025-05-08 02:53-0300\n" "PO-Revision-Date: 2021-06-28 00:54+0000\n" "Last-Translator: Takanori Suzuki <[email protected]>, 2025\n" "Language-Team: Japanese (https://app.transifex.com/python-doc/teams/5390/" "ja/)\n" "Language: ja\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 "" #: ../../library/ast.rst:14 msgid "**Source code:** :source:`Lib/ast.py`" msgstr "**ソースコード:** :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` モジュールは、Python アプリケーションで Python の抽象構文木を処理" "しやすくするものです。抽象構文そのものは、Python のリリースごとに変化する可能" "性があります。このモジュールを使用すると、現在の文法をプログラム上で知る助け" "になるでしょう。" #: ../../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 "" "抽象構文木を作成するには、 :data:`ast.PyCF_ONLY_AST` を組み込み関数 :func:" "`compile` のフラグとして渡すか、あるいはこのモジュールで提供されているヘル" "パー関数 :func:`parse` を使います。その結果は、 :class:`ast.AST` を継承したク" "ラスのオブジェクトのツリーとなります。抽象構文木は組み込み関数 :func:" "`compile` を使って Python コード・オブジェクトにコンパイルすることができま" "す。" #: ../../library/ast.rst:33 msgid "Abstract grammar" msgstr "" #: ../../library/ast.rst:35 msgid "The abstract grammar is currently defined as follows:" msgstr "抽象文法は、現在次のように定義されています:" #: ../../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" " | Interpolation(expr value, constant str, int conversion, expr? " "format_spec)\n" " | JoinedStr(expr* values)\n" " | TemplateStr(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, expr? default_value)\n" " | ParamSpec(identifier name, expr? default_value)\n" " | TypeVarTuple(identifier name, expr? default_value)\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 "Node クラス" #: ../../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 "" "このクラスは全ての AST ノード・クラスの基底です。実際のノード・クラスは :ref:" "`先に <abstract-grammar>` 示した :file:`Parser/Python.asdl` ファイルから派生" "したものです。これらのクラスは :mod:`!_ast` C モジュールで定義され、 :mod:" "`ast` にもエクスポートし直されています。" #: ../../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 "" "抽象文法の左辺のシンボル一つずつにそれぞれ一つのクラスがあります (たとえば :" "class:`ast.stmt` や :class:`ast.expr`)。それに加えて、右辺のコンストラクタ一" "つずつにそれぞれ一つのクラスがあり、これらのクラスは左辺のツリーのクラスを継" "承しています。たとえば、 :class:`ast.BinOp` は :class:`ast.expr` から継承して" "います。代替を伴った生成規則 (production rules with alternatives) (別名 " "\"sums\") の場合、左辺は抽象クラスとなり、特定のコンストラクタ・ノードのイン" "スタンスのみが作成されます。" #: ../../library/ast.rst:64 msgid "" "Each concrete class has an attribute :attr:`!_fields` which gives the names " "of all child nodes." msgstr "" "各具象クラスは属性 :attr:`!_fields` を持っており、すべての子ノードの名前をそ" "こに保持しています。" #: ../../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 "" "具象クラスのインスタンスは、各子ノードに対してそれぞれひとつの属性を持ってい" "ます。この属性は、文法で定義された型となります。たとえば :class:`ast.BinOp` " "のインスタンスは :attr:`left` という属性を持っており、その型は :class:`ast." "expr` です。" #: ../../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 "" "これらの属性が、文法上 (クエスチョンマークを用いて) オプションであるとマーク" "されている場合は、その値が ``None`` となることもあります。属性が0個以上の複数" "の値をとりうる場合 (アスタリスクでマークされている場合) は、値は Python のリ" "ストで表されます。全ての属性は AST を :func:`compile` でコンパイルする際には" "存在しなければならず、そして妥当な値でなければなりません。" #: ../../library/ast.rst:79 msgid "" "The :attr:`!_field_types` attribute on each concrete class is a dictionary " "mapping field names (as also listed in :attr:`_fields`) to their types." msgstr "" #: ../../library/ast.rst:82 msgid "" ">>> ast.TypeVar._field_types\n" "{'name': <class 'str'>, 'bound': ast.expr | None, 'default_value': ast.expr " "| None}" msgstr "" #: ../../library/ast.rst:94 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` や :class:`ast.stmt` のサブクラスのインスタンスは :attr:" "`lineno`, :attr:`col_offset`, :attr:`end_lineno`, および :attr:" "`end_col_offset` 属性を持ちます。 :attr:`lineno` と :attr:`end_lineno` はソー" "ステキストの範囲を最初と最後の行番号で表し (1 から数え始めるので、最初の行の" "行番号は 1 となります)、 :attr:`col_offset` と :attr:`end_col_offset` はノー" "ドが生成した最初と最後のトークンの UTF-8 バイトオフセットです。 UTF-8 オフ" "セットはパーサが内部で使用するので記録されます。" #: ../../library/ast.rst:103 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 "" "コンパイラは終了位置を必要としないことに注意してください。このため終了位置は" "省略可能です。終了位置を示すオフセットは最後のシンボルの *後の位置* になりま" "す。例えば一行で書かれた式のソースコードのセグメントは ``source_line[node." "col_offset : node.end_col_offset]`` により取得できます。" #: ../../library/ast.rst:108 msgid "" "The constructor of a class :class:`ast.T` parses its arguments as follows:" msgstr "クラス :class:`ast.T` のコンストラクタは引数を次のように解析します:" #: ../../library/ast.rst:110 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 "" "位置引数があるとすれば、 :attr:`T._fields` にあるのと同じだけの個数が無ければ" "なりません。これらの引数はそこにある名前を持った属性として割り当てられます。" #: ../../library/ast.rst:112 msgid "" "If there are keyword arguments, they will set the attributes of the same " "names to the given values." msgstr "" "キーワード引数があるとすれば、それらはその名前の属性にその値を割り当てられま" "す。" #: ../../library/ast.rst:115 msgid "" "For example, to create and populate an :class:`ast.UnaryOp` node, you could " "use ::" msgstr "" "たとえば、 :class:`ast.UnaryOp` ノードを生成して属性を埋めるには、次のように" "することができます ::" #: ../../library/ast.rst:118 msgid "" "node = ast.UnaryOp(ast.USub(), ast.Constant(5, lineno=0, col_offset=0),\n" " lineno=0, col_offset=0)" msgstr "" #: ../../library/ast.rst:121 msgid "" "If a field that is optional in the grammar is omitted from the constructor, " "it defaults to ``None``. If a list field is omitted, it defaults to the " "empty list. If a field of type :class:`!ast.expr_context` is omitted, it " "defaults to :class:`Load() <ast.Load>`. If any other field is omitted, a :" "exc:`DeprecationWarning` is raised and the AST node will not have this " "field. In Python 3.15, this condition will raise an error." msgstr "" #: ../../library/ast.rst:130 msgid "Class :class:`ast.Constant` is now used for all constants." msgstr ":class:`ast.Constant` が全ての定数に使われるようになりました。" #: ../../library/ast.rst:134 msgid "" "Simple indices are represented by their value, extended slices are " "represented as tuples." msgstr "" "単純なインデックスはその値で表現され、幅を持つスライスはタプルで表現されま" "す。" #: ../../library/ast.rst:139 msgid "" "The :meth:`~object.__repr__` output of :class:`~ast.AST` nodes includes the " "values of the node fields." msgstr "" #: ../../library/ast.rst:144 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 "" #: ../../library/ast.rst:151 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 "" #: ../../library/ast.rst:158 msgid "" "Previous versions of Python allowed the creation of AST nodes that were " "missing required fields. Similarly, AST node constructors allowed arbitrary " "keyword arguments that were set as attributes of the AST node, even if they " "did not match any of the fields of the AST node. This behavior is deprecated " "and will be removed in Python 3.15." msgstr "" #: ../../library/ast.rst:165 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 "" "ここに示されている特定のノードクラスについての記述は、素晴らしい `Green Tree " "Snakes <https://greentreesnakes.readthedocs.io/en/latest/>`__ プロジェクトと" "そのすべての貢献者の成果物をもとにしています。" #: ../../library/ast.rst:174 msgid "Root nodes" msgstr "" #: ../../library/ast.rst:178 msgid "" "A Python module, as with :ref:`file input <file-input>`. Node type generated " "by :func:`ast.parse` in the default ``\"exec\"`` *mode*." msgstr "" #: ../../library/ast.rst:181 msgid "``body`` is a :class:`list` of the module's :ref:`ast-statements`." msgstr "" #: ../../library/ast.rst:183 msgid "" "``type_ignores`` is a :class:`list` of the module's type ignore comments; " "see :func:`ast.parse` for more details." msgstr "" #: ../../library/ast.rst:186 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))])" msgstr "" #: ../../library/ast.rst:199 msgid "" "A single Python :ref:`expression input <expression-input>`. Node type " "generated by :func:`ast.parse` when *mode* is ``\"eval\"``." msgstr "" #: ../../library/ast.rst:202 msgid "" "``body`` is a single node, one of the :ref:`expression types <ast-" "expressions>`." msgstr "" #: ../../library/ast.rst:205 ../../library/ast.rst:275 msgid "" ">>> print(ast.dump(ast.parse('123', mode='eval'), indent=4))\n" "Expression(\n" " body=Constant(value=123))" msgstr "" #: ../../library/ast.rst:214 msgid "" "A single :ref:`interactive input <interactive>`, like in :ref:`tut-interac`. " "Node type generated by :func:`ast.parse` when *mode* is ``\"single\"``." msgstr "" #: ../../library/ast.rst:217 msgid "``body`` is a :class:`list` of :ref:`statement nodes <ast-statements>`." msgstr "" #: ../../library/ast.rst:219 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 "" #: ../../library/ast.rst:236 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 "" #: ../../library/ast.rst:240 msgid "Such type comments would look like this::" msgstr "" #: ../../library/ast.rst:242 msgid "" "def sum_two_number(a, b):\n" " # type: (int, int) -> int\n" " return a + b" msgstr "" #: ../../library/ast.rst:246 msgid "" "``argtypes`` is a :class:`list` of :ref:`expression nodes <ast-expressions>`." msgstr "" #: ../../library/ast.rst:248 msgid "``returns`` is a single :ref:`expression node <ast-expressions>`." msgstr "" #: ../../library/ast.rst:250 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 "" #: ../../library/ast.rst:266 msgid "Literals" msgstr "リテラル" #: ../../library/ast.rst:270 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 "" "定数です。 ``Constant`` リテラルの ``value`` 属性は定数値を表す Python オブ" "ジェクトを保持します。定数として表現される値は数値、文字列、または ``None`` " "のような単純な型のほかに、全ての要素が定数であるイミュータブルなコンテナ型 " "(tuples および frozensets) も設定可能です。" #: ../../library/ast.rst:284 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 "" "このノードは f-string における単一の書式指定置換フィールドを表現します。文字" "列が単一の置換フィールドしか持たず、他に何も含まない場合は、ノードは単独で存" "在できます。そうでない場合は :class:`JoinedStr` の一部としてあらわれます。" #: ../../library/ast.rst:288 msgid "" "``value`` is any expression node (such as a literal, a variable, or a " "function call)." msgstr "" "``value`` は式ツリーのノードのいずれか (リテラル、変数、関数呼び出しなど) で" "す。" #: ../../library/ast.rst:290 msgid "``conversion`` is an integer:" msgstr "``conversion`` は整数です:" #: ../../library/ast.rst:292 msgid "-1: no formatting" msgstr "-1: 書式指定なし" #: ../../library/ast.rst:293 msgid "115: ``!s`` string formatting" msgstr "115: ``!s`` 文字列書式指定" #: ../../library/ast.rst:294 msgid "114: ``!r`` repr formatting" msgstr "114: ``!r`` repr 書式指定" #: ../../library/ast.rst:295 msgid "97: ``!a`` ascii formatting" msgstr "97: ``!a`` ascii 書式指定" #: ../../library/ast.rst:297 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`` は値の書式指定を表現する :class:`JoinedStr` ノード、もしくは" "書式指定がない場合は ``None`` です。 ``conversion`` と ``format_spec`` を同時" "に設定することができます。" #: ../../library/ast.rst:304 msgid "" "An f-string, comprising a series of :class:`FormattedValue` and :class:" "`Constant` nodes." msgstr "" ":class:`FormattedValue` ノードと :class:`Constant` ノードの集まりからなる f-" "string です。" #: ../../library/ast.rst:307 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" " conversion=-1,\n" " format_spec=JoinedStr(\n" " values=[\n" " Constant(value='.3')]))]))" msgstr "" #: ../../library/ast.rst:332 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 "" "リストまたはタプルをあらわします。 ``elts`` は内包する要素を表現するノードの" "リストを保持します。 ``ctx`` はコンテナが代入のターゲットである場合 (たとえ" "ば ``(x,y)=something`` のような場合) は :class:`Store` であり、そうでない場合" "は :class:`Load` です。" #: ../../library/ast.rst:336 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 "" #: ../../library/ast.rst:358 msgid "A set. ``elts`` holds a list of nodes representing the set's elements." msgstr "" "集合 (set) をあらわします。 ``elts`` は集合の各要素を表現するノードのリストを" "保持します。" #: ../../library/ast.rst:360 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 "" #: ../../library/ast.rst:373 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 "" "辞書をあらわします。 ``keys`` と ``values`` はそれぞれキーと値のノードのリス" "ト を順序が一致した形で (それぞれ :code:`dictionary.keys()` と :code:" "`dictionary.values()` を呼び出したときに返される順序で) 保持します。" #: ../../library/ast.rst:377 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 "" "辞書リテラルを使って辞書を展開した場合、展開された式ツリーにおいて辞書は " "``values`` リストに入り、 ``keys`` の対応する位置には ``None`` が入ります。" #: ../../library/ast.rst:381 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 "" #: ../../library/ast.rst:395 msgid "Variables" msgstr "変数" #: ../../library/ast.rst:399 msgid "" "A variable name. ``id`` holds the name as a string, and ``ctx`` is one of " "the following types." msgstr "" "変数名をあらわします。 ``id`` は変数名を文字列で保持し、 ``ctx`` は以下に示す" "型のいずれかです。" #: ../../library/ast.rst:407 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 "" "変数の参照は変数の値をロードするか、新しい値を割り当てるか、または値を削除す" "るために使うことができます。変数の参照はこれら3つの場合を区別するためのコンテ" "キストによって与えられます。" #: ../../library/ast.rst:411 msgid "" ">>> print(ast.dump(ast.parse('a'), indent=4))\n" "Module(\n" " body=[\n" " Expr(\n" " value=Name(id='a', ctx=Load()))])\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" "\n" ">>> print(ast.dump(ast.parse('del a'), indent=4))\n" "Module(\n" " body=[\n" " Delete(\n" " targets=[\n" " Name(id='a', ctx=Del())])])" msgstr "" #: ../../library/ast.rst:437 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 "" "``*var`` 形式の変数の参照をあらわします。 ``value`` は変数、典型的には :" "class:`Name` ノード、を保持します。この型は ``*args`` を伴う関数呼び出しノー" "ド :class:`Call` を構築する際に使用します。 " #: ../../library/ast.rst:441 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()))])" msgstr "" #: ../../library/ast.rst:461 msgid "Expressions" msgstr "式 (expression)" #: ../../library/ast.rst:465 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 "" "関数呼び出しのような式がそれ自身で文となり、戻り値が使われないかまたは保存さ" "れないとき、その式はこのコンテナでラップされます。 ``value`` はこの節で説明す" "る他のノード、 :class:`Constant` ノード、 :class:`Name` ノード、 :class:" "`Lambda` ノード :class:`Yield` ノードまたは :class:`YieldFrom` ノードのいずれ" "かを保持します。" #: ../../library/ast.rst:470 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())))])" msgstr "" #: ../../library/ast.rst:483 msgid "" "A unary operation. ``op`` is the operator, and ``operand`` any expression " "node." msgstr "" "単項演算をあらわします。 ``op`` は演算子で、 ``operand`` は任意の式ツリーの" "ノードです。" #: ../../library/ast.rst:492 msgid "" "Unary operator tokens. :class:`Not` is the ``not`` keyword, :class:`Invert` " "is the ``~`` operator." msgstr "" "単項演算の演算子をあらわします。 :class:`Not` は論理否定キーワード ``not`` で" "あり、 :class:`Invert` はビット反転演算子 ``~`` です。" #: ../../library/ast.rst:495 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 "" #: ../../library/ast.rst:506 msgid "" "A binary operation (like addition or division). ``op`` is the operator, and " "``left`` and ``right`` are any expression nodes." msgstr "" "(加算や減算のような) 二項演算をあらわします。 ``op`` は演算子、 ``left`` と " "``right`` は任意の式ツリーのノードです。" #: ../../library/ast.rst:509 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 "" #: ../../library/ast.rst:533 msgid "Binary operator tokens." msgstr "二項演算の演算子をあらわします。" #: ../../library/ast.rst:538 msgid "" "A boolean operation, 'or' or 'and'. ``op`` is :class:`Or` or :class:`And`. " "``values`` are the values involved. Consecutive operations with the same " "operator, such as ``a or b or c``, are collapsed into one node with several " "values." msgstr "" "'or' や 'and' のような論理演算をあらわします。 ``op`` は :class:`Or` または :" "class:`And` です。 ``values`` は必要な値のリストです。 ``a or b or c`` のよう" "に同じ演算子を使う連続した演算は、複数の値を持った単一のノードとして表現され" "ます。" #: ../../library/ast.rst:543 msgid "This doesn't include ``not``, which is a :class:`UnaryOp`." msgstr "``not`` は単項演算 :class:`UnaryOp` のため、ここには含まれません。" #: ../../library/ast.rst:545 msgid "" ">>> print(ast.dump(ast.parse('x or y', mode='eval'), indent=4))\n" "Expression(\n" " body=BoolOp(\n" " op=Or(),\n" " values=[\n" " Name(id='x', ctx=Load()),\n" " Name(id='y', ctx=Load())]))" msgstr "" #: ../../library/ast.rst:559 msgid "Boolean operator tokens." msgstr "論理演算の演算子をあらわします。" #: ../../library/ast.rst:564 msgid "" "A comparison of two or more values. ``left`` is the first value in the " "comparison, ``ops`` the list of operators, and ``comparators`` the list of " "values after the first element in the comparison." msgstr "" "2つ以上の値の比較をあらわします。 ``left`` 比較の中の最初の値、``ops`` は演算" "子のリスト、 ``comparators`` は2つ目以降の値のリストです。" #: ../../library/ast.rst:568 msgid "" ">>> print(ast.dump(ast.parse('1 <= a < 10', mode='eval'), indent=4))\n" "Expression(\n" " body=Compare(\n" " left=Constant(value=1),\n" " ops=[\n" " LtE(),\n" " Lt()],\n" " comparators=[\n" " Name(id='a', ctx=Load()),\n" " Constant(value=10)]))" msgstr "" #: ../../library/ast.rst:593 msgid "Comparison operator tokens." msgstr "比較演算の演算子をあらわします。" #: ../../library/ast.rst:598 msgid "" "A function call. ``func`` is the function, which will often be a :class:" "`Name` or :class:`Attribute` object. Of the arguments:" msgstr "" "関数呼び出しをあらわします。 ``func`` は関数で、多くの場合 :class:`Name` また" "は :class:`Attribute` のオブジェクトです。 関数呼び出しの引数:" #: ../../library/ast.rst:601 msgid "``args`` holds a list of the arguments passed by position." msgstr "``args`` は位置引数のリストを保持します。 " #: ../../library/ast.rst:602 msgid "" "``keywords`` holds a list of :class:`.keyword` objects representing " "arguments passed by keyword." msgstr "" #: ../../library/ast.rst:605 msgid "" "The ``args`` and ``keywords`` arguments are optional and default to empty " "lists." msgstr "" #: ../../library/ast.rst:607 msgid "" ">>> print(ast.dump(ast.parse('func(a, b=c, *d, **e)', mode='eval'), " "indent=4))\n" "Expression(\n" " body=Call(\n" " func=Name(id='func', ctx=Load()),\n" " args=[\n" " Name(id='a', ctx=Load()),\n" " Starred(\n" " value=Name(id='d', ctx=Load()),\n" " ctx=Load())],\n" " keywords=[\n" " keyword(\n" " arg='b',\n" " value=Name(id='c', ctx=Load())),\n" " keyword(\n" " value=Name(id='e', ctx=Load()))]))" msgstr "" |
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