python
diff --git a/‎howto/descriptor.po‎
Lines changed: 61 additions & 60 deletions b/‎howto/descriptor.po‎
Lines changed: 61 additions & 60 deletions
@@ -16,7 +16,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Python 3.9\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2021-04-04 05:56+0000\n"
+"POT-Creation-Date: 2021-04-23 06:07+0000\n"
 "PO-Revision-Date: 2017-02-16 17:44+0000\n"
 "Last-Translator: mollinaca, 2020\n"
 "Language-Team: Japanese (https://www.transifex.com/python-doc/teams/5390/ja/)\n"
@@ -737,13 +737,13 @@ msgid ""
 "The documentation shows a typical use to define a managed attribute ``x``:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:956
+#: ../../howto/descriptor.rst:970
 msgid ""
 "To see how :func:`property` is implemented in terms of the descriptor "
 "protocol, here is a pure Python equivalent:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1049
+#: ../../howto/descriptor.rst:1063
 msgid ""
 "The :func:`property` builtin helps whenever a user interface has granted "
 "attribute access and then subsequent changes require the intervention of a "
@@ -752,7 +752,7 @@ msgstr ""
 "組み込みの :func:`property` "
 "関数は、ユーザインターフェースへの属性アクセスが与えられ、続く変更がメソッドの介入を要求するときに役立ちます。"
 
-#: ../../howto/descriptor.rst:1053
+#: ../../howto/descriptor.rst:1067
 msgid ""
 "For instance, a spreadsheet class may grant access to a cell value through "
 "``Cell('b10').value``. Subsequent improvements to the program require the "
@@ -762,156 +762,156 @@ msgid ""
 "descriptor:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1070
+#: ../../howto/descriptor.rst:1084
 msgid ""
 "Either the built-in :func:`property` or our :func:`Property` equivalent "
 "would work in this example."
 msgstr ""
 
-#: ../../howto/descriptor.rst:1075
+#: ../../howto/descriptor.rst:1089
 msgid "Functions and methods"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1077
+#: ../../howto/descriptor.rst:1091
 msgid ""
 "Python's object oriented features are built upon a function based "
 "environment. Using non-data descriptors, the two are merged seamlessly."
 msgstr ""
 "Python のオブジェクト指向機能は、関数に基づく環境の上に構築されています。非データデスクリプタを使って、この 2 "
 "つはシームレスに組み合わされています。"
 
-#: ../../howto/descriptor.rst:1080
+#: ../../howto/descriptor.rst:1094
 msgid ""
 "Functions stored in class dictionaries get turned into methods when invoked."
 " Methods only differ from regular functions in that the object instance is "
 "prepended to the other arguments.  By convention, the instance is called "
 "*self* but could be called *this* or any other variable name."
 msgstr ""
 
-#: ../../howto/descriptor.rst:1085
+#: ../../howto/descriptor.rst:1099
 msgid ""
 "Methods can be created manually with :class:`types.MethodType` which is "
 "roughly equivalent to:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1102
+#: ../../howto/descriptor.rst:1116
 msgid ""
 "To support automatic creation of methods, functions include the "
 ":meth:`__get__` method for binding methods during attribute access.  This "
 "means that functions are non-data descriptors that return bound methods "
 "during dotted lookup from an instance.  Here's how it works:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1118
+#: ../../howto/descriptor.rst:1132
 msgid ""
 "Running the following class in the interpreter shows how the function "
 "descriptor works in practice:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1127
+#: ../../howto/descriptor.rst:1141
 msgid ""
 "The function has a :term:`qualified name` attribute to support "
 "introspection:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1134
+#: ../../howto/descriptor.rst:1148
 msgid ""
 "Accessing the function through the class dictionary does not invoke "
 ":meth:`__get__`.  Instead, it just returns the underlying function object::"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1140
+#: ../../howto/descriptor.rst:1154
 msgid ""
 "Dotted access from a class calls :meth:`__get__` which just returns the "
 "underlying function unchanged::"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1146
+#: ../../howto/descriptor.rst:1160
 msgid ""
 "The interesting behavior occurs during dotted access from an instance.  The "
 "dotted lookup calls :meth:`__get__` which returns a bound method object::"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1153
+#: ../../howto/descriptor.rst:1167
 msgid ""
 "Internally, the bound method stores the underlying function and the bound "
 "instance::"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1162
+#: ../../howto/descriptor.rst:1176
 msgid ""
 "If you have ever wondered where *self* comes from in regular methods or "
 "where *cls* comes from in class methods, this is it!"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1167
+#: ../../howto/descriptor.rst:1181
 msgid "Kinds of methods"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1169
+#: ../../howto/descriptor.rst:1183
 msgid ""
 "Non-data descriptors provide a simple mechanism for variations on the usual "
 "patterns of binding functions into methods."
 msgstr "非データデスクリプタは、関数をメソッドに束縛する、各種の一般的なパターンに、単純な機構を提供します。"
 
-#: ../../howto/descriptor.rst:1172
+#: ../../howto/descriptor.rst:1186
 msgid ""
 "To recap, functions have a :meth:`__get__` method so that they can be "
 "converted to a method when accessed as attributes.  The non-data descriptor "
 "transforms an ``obj.f(*args)`` call into ``f(obj, *args)``.  Calling "
 "``cls.f(*args)`` becomes ``f(*args)``."
 msgstr ""
 
-#: ../../howto/descriptor.rst:1177
+#: ../../howto/descriptor.rst:1191
 msgid "This chart summarizes the binding and its two most useful variants:"
 msgstr "このチャートは、束縛と、その 2 つの異なる便利な形をまとめています:"
 
-#: ../../howto/descriptor.rst:1180
+#: ../../howto/descriptor.rst:1194
 msgid "Transformation"
 msgstr "変換"
 
-#: ../../howto/descriptor.rst:1180
+#: ../../howto/descriptor.rst:1194
 msgid "Called from an object"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1180
+#: ../../howto/descriptor.rst:1194
 msgid "Called from a class"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1183
+#: ../../howto/descriptor.rst:1197
 msgid "function"
 msgstr "function"
 
-#: ../../howto/descriptor.rst:1183
+#: ../../howto/descriptor.rst:1197
 msgid "f(obj, \\*args)"
 msgstr "f(obj, \\*args)"
 
-#: ../../howto/descriptor.rst:1183 ../../howto/descriptor.rst:1185
-#: ../../howto/descriptor.rst:1185
+#: ../../howto/descriptor.rst:1197 ../../howto/descriptor.rst:1199
+#: ../../howto/descriptor.rst:1199
 msgid "f(\\*args)"
 msgstr "f(\\*args)"
 
-#: ../../howto/descriptor.rst:1185
+#: ../../howto/descriptor.rst:1199
 msgid "staticmethod"
 msgstr "静的メソッド"
 
-#: ../../howto/descriptor.rst:1187
+#: ../../howto/descriptor.rst:1201
 msgid "classmethod"
 msgstr "クラスメソッド"
 
-#: ../../howto/descriptor.rst:1187
+#: ../../howto/descriptor.rst:1201
 msgid "f(type(obj), \\*args)"
 msgstr "f(type(obj), \\*args)"
 
-#: ../../howto/descriptor.rst:1187
+#: ../../howto/descriptor.rst:1201
 msgid "f(cls, \\*args)"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1192
+#: ../../howto/descriptor.rst:1206
 msgid "Static methods"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1194
+#: ../../howto/descriptor.rst:1208
 msgid ""
 "Static methods return the underlying function without changes.  Calling "
 "either ``c.f`` or ``C.f`` is the equivalent of a direct lookup into "
@@ -923,13 +923,13 @@ msgstr ""
 "\"f\")`` や ``object.__getattribute__(C, \"f\")`` "
 "を直接探索するのと同じです。結果として、関数はオブジェクトとクラスから同じようにアクセスできます。"
 
-#: ../../howto/descriptor.rst:1200
+#: ../../howto/descriptor.rst:1214
 msgid ""
 "Good candidates for static methods are methods that do not reference the "
 "``self`` variable."
 msgstr "静的メソッドにすると良いのは、 ``self`` 変数への参照を持たないメソッドです。"
 
-#: ../../howto/descriptor.rst:1203
+#: ../../howto/descriptor.rst:1217
 msgid ""
 "For instance, a statistics package may include a container class for "
 "experimental data.  The class provides normal methods for computing the "
@@ -945,30 +945,30 @@ msgstr ""
 "は統計上の便利な変換ルーチンですが、特定のデータセットに直接には依存しません。これは、オブジェクトからでもクラスからでも呼び出せます: "
 "``s.erf(1.5) --> .9332`` または ``Sample.erf(1.5) --> .9332`` 。"
 
-#: ../../howto/descriptor.rst:1212
+#: ../../howto/descriptor.rst:1226
 msgid ""
 "Since static methods return the underlying function with no changes, the "
 "example calls are unexciting:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1229
+#: ../../howto/descriptor.rst:1243
 msgid ""
 "Using the non-data descriptor protocol, a pure Python version of "
 ":func:`staticmethod` would look like this:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1261
+#: ../../howto/descriptor.rst:1275
 msgid "Class methods"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1263
+#: ../../howto/descriptor.rst:1277
 msgid ""
 "Unlike static methods, class methods prepend the class reference to the "
 "argument list before calling the function.  This format is the same for "
 "whether the caller is an object or a class:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1281
+#: ../../howto/descriptor.rst:1295
 msgid ""
 "This behavior is useful whenever the method only needs to have a class "
 "reference and does not rely on data stored in a specific instance.  One use "
@@ -977,61 +977,62 @@ msgid ""
 "of keys.  The pure Python equivalent is:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1298
+#: ../../howto/descriptor.rst:1312
 msgid "Now a new dictionary of unique keys can be constructed like this:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1308
+#: ../../howto/descriptor.rst:1322
 msgid ""
 "Using the non-data descriptor protocol, a pure Python version of "
 ":func:`classmethod` would look like this:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1346
+#: ../../howto/descriptor.rst:1371
 msgid ""
-"The code path for ``hasattr(obj, '__get__')`` was added in Python 3.9 and "
-"makes it possible for :func:`classmethod` to support chained decorators. For"
-" example, a classmethod and property could be chained together:"
+"The code path for ``hasattr(type(self.f), '__get__')`` was added in Python "
+"3.9 and makes it possible for :func:`classmethod` to support chained "
+"decorators.  For example, a classmethod and property could be chained "
+"together:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1365
+#: ../../howto/descriptor.rst:1391
 msgid "Member objects and __slots__"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1367
+#: ../../howto/descriptor.rst:1393
 msgid ""
 "When a class defines ``__slots__``, it replaces instance dictionaries with a"
 " fixed-length array of slot values.  From a user point of view that has "
 "several effects:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1371
+#: ../../howto/descriptor.rst:1397
 msgid ""
 "1. Provides immediate detection of bugs due to misspelled attribute "
 "assignments.  Only attribute names specified in ``__slots__`` are allowed:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1387
+#: ../../howto/descriptor.rst:1413
 msgid ""
 "2. Helps create immutable objects where descriptors manage access to private"
 " attributes stored in ``__slots__``:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1422
+#: ../../howto/descriptor.rst:1448
 msgid ""
 "3. Saves memory.  On a 64-bit Linux build, an instance with two attributes "
 "takes 48 bytes with ``__slots__`` and 152 bytes without.  This `flyweight "
 "design pattern <https://en.wikipedia.org/wiki/Flyweight_pattern>`_ likely "
 "only matters when a large number of instances are going to be created."
 msgstr ""
 
-#: ../../howto/descriptor.rst:1427
+#: ../../howto/descriptor.rst:1453
 msgid ""
 "4. Blocks tools like :func:`functools.cached_property` which require an "
 "instance dictionary to function correctly:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1449
+#: ../../howto/descriptor.rst:1475
 msgid ""
 "It is not possible to create an exact drop-in pure Python version of "
 "``__slots__`` because it requires direct access to C structures and control "
@@ -1041,36 +1042,36 @@ msgid ""
 "managed by member descriptors:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1492
+#: ../../howto/descriptor.rst:1518
 msgid ""
 "The :meth:`type.__new__` method takes care of adding member objects to class"
 " variables:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1508
+#: ../../howto/descriptor.rst:1534
 msgid ""
 "The :meth:`object.__new__` method takes care of creating instances that have"
 " slots instead of an instance dictionary.  Here is a rough simulation in "
 "pure Python:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1543
+#: ../../howto/descriptor.rst:1569
 msgid ""
 "To use the simulation in a real class, just inherit from :class:`Object` and"
 " set the :term:`metaclass` to :class:`Type`:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1557
+#: ../../howto/descriptor.rst:1583
 msgid ""
 "At this point, the metaclass has loaded member objects for *x* and *y*::"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1578
+#: ../../howto/descriptor.rst:1604
 msgid ""
 "When instances are created, they have a ``slot_values`` list where the "
 "attributes are stored:"
 msgstr ""
 
-#: ../../howto/descriptor.rst:1590
+#: ../../howto/descriptor.rst:1616
 msgid "Misspelled or unassigned attributes will raise an exception:"
 msgstr ""