bpo-21269: Provide args and kwargs attributes on mock call objects GH11807

Doc/library/unittest.mock.rst

@@ -609,9 +609,11 @@ the *new_callable* argument to :func:`patch`.
 
         This is either ``None`` (if the mock hasn't been called), or the
         arguments that the mock was last called with. This will be in the
-        form of a tuple: the first member is any ordered arguments the mock
-        was called with (or an empty tuple) and the second member is any
-        keyword arguments (or an empty dictionary).
+        form of a tuple: the first member, which can also be accessed through
+        the ``args`` property, is any ordered arguments the mock was
+        called with (or an empty tuple) and the second member, which can
+        also be accessed through the ``kwargs`` property, is any keyword
+        arguments (or an empty dictionary).
 
             >>> mock = Mock(return_value=None)
             >>> print(mock.call_args)
@@ -626,9 +628,17 @@ the *new_callable* argument to :func:`patch`.
             call(3, 4)
             >>> mock.call_args == ((3, 4),)
             True
+            >>> mock.call_args.args
+            (3, 4)
+            >>> mock.call_args.kwargs
+            {}
             >>> mock(3, 4, 5, key='fish', next='w00t!')
             >>> mock.call_args
             call(3, 4, 5, key='fish', next='w00t!')
+            >>> mock.call_args.args
+            (3, 4, 5)
+            >>> mock.call_args.kwargs
+            {'key': 'fish', 'next': 'w00t!'}
 
         :attr:`call_args`, along with members of the lists :attr:`call_args_list`,
         :attr:`method_calls` and :attr:`mock_calls` are :data:`call` objects.
@@ -1987,14 +1997,13 @@ arguments are a dictionary:
     >>> m = MagicMock(return_value=None)
     >>> m(1, 2, 3, arg='one', arg2='two')
     >>> kall = m.call_args
-    >>> args, kwargs = kall
-    >>> args
+    >>> kall.args
     (1, 2, 3)
-    >>> kwargs
+    >>> kall.kwargs
     {'arg': 'one', 'arg2': 'two'}
-    >>> args is kall[0]
+    >>> kall.args is kall[0]
     True
-    >>> kwargs is kall[1]
+    >>> kall.kwargs is kall[1]
     True
 
     >>> m = MagicMock()