Update test_unpack_ex from v3.14.2

youknowone · Feb 12, 2026 · Feb 11, 2026 · Feb 11, 2026 · Feb 11, 2026 · Feb 11, 2026
commit b6d08fe371f538e4abb08a1030310eea402dc9dd
diff --git a/Lib/test/test_inspect/test_inspect.py b/Lib/test/test_inspect/test_inspect.py
@@ -2247,7 +2247,6 @@ def test_varkw_only(self):
         self.assertEqualCallArgs(f, '**collections.UserDict(a=1, b=2)')
         self.assertEqualCallArgs(f, 'c=3, **collections.UserDict(a=1, b=2)')
 
-    @unittest.expectedFailure  # TODO: RUSTPYTHON; ? ^^^^^^^^^^^^      ++           ++ ^^^^
     def test_keyword_only(self):
         f = self.makeCallable('a=3, *, c, d=2')
         self.assertEqualCallArgs(f, 'c=3')

diff --git a/Lib/test/test_positional_only_arg.py b/Lib/test/test_positional_only_arg.py
@@ -163,8 +163,6 @@ def f(a, b, /, c=3):
         with self.assertRaisesRegex(TypeError, r"f\(\) takes from 2 to 3 positional arguments but 4 were given"):
             f(1, 2, 3, 4)
 
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
     def test_positional_only_and_kwonlyargs_invalid_calls(self):
         def f(a, b, /, c, *, d, e):
             pass

diff --git a/Lib/test/test_unpack_ex.py b/Lib/test/test_unpack_ex.py
@@ -113,7 +113,7 @@
     >>> sorted({**{'x': 1}, 'y': 2, **{'x': 3}}.items())
     [('x', 3), ('y', 2)]
 
-    >>> sorted({**{'x': 1}, **{'x': 3}, 'x': 4}.items()) # TODO: RUSTPYTHON # doctest:+EXPECTED_FAILURE
+    >>> sorted({**{'x': 1}, **{'x': 3}, 'x': 4}.items())
     [('x', 4)]
 
     >>> {**{}}
@@ -138,7 +138,7 @@
     ...                          for i in range(1000)) + "}"))
     1000
 
-    >>> {0:1, **{0:2}, 0:3, 0:4} # TODO: RUSTPYTHON # doctest:+EXPECTED_FAILURE
+    >>> {0:1, **{0:2}, 0:3, 0:4}
     {0: 4}
 
 List comprehension element unpacking
@@ -148,27 +148,27 @@
     [0, 1, 2, 3, 4]
 
     >>> l = [a, (3, 4), {5}, {6: None}, (i for i in range(7, 10))]
-    >>> [*item for item in l] # TODO: RUSTPYTHON # doctest:+EXPECTED_FAILURE
+    >>> [*item for item in l]
     Traceback (most recent call last):
     ...
     SyntaxError: iterable unpacking cannot be used in comprehension
 
-    >>> [*[0, 1] for i in range(10)] # TODO: RUSTPYTHON # doctest:+EXPECTED_FAILURE
+    >>> [*[0, 1] for i in range(10)]
     Traceback (most recent call last):
     ...
     SyntaxError: iterable unpacking cannot be used in comprehension
 
-    >>> [*'a' for i in range(10)] # TODO: RUSTPYTHON # doctest:+EXPECTED_FAILURE
+    >>> [*'a' for i in range(10)]
     Traceback (most recent call last):
     ...
     SyntaxError: iterable unpacking cannot be used in comprehension
 
-    >>> [*[] for i in range(10)] # TODO: RUSTPYTHON # doctest:+EXPECTED_FAILURE
+    >>> [*[] for i in range(10)]
     Traceback (most recent call last):
     ...
     SyntaxError: iterable unpacking cannot be used in comprehension
 
-    >>> {**{} for a in [1]} # TODO: RUSTPYTHON # doctest:+EXPECTED_FAILURE
+    >>> {**{} for a in [1]}
     Traceback (most recent call last):
     ...
     SyntaxError: dict unpacking cannot be used in dict comprehension
@@ -249,34 +249,34 @@
 
 Overridden parameters
 
-    >>> f(x=5, **{'x': 3}, y=2) # TODO: RUSTPYTHON # doctest:+EXPECTED_FAILURE
+    >>> f(x=5, **{'x': 3}, y=2)
     Traceback (most recent call last):
       ...
     TypeError: test.test_unpack_ex.f() got multiple values for keyword argument 'x'
 
-    >>> f(**{'x': 3}, x=5, y=2) # TODO: RUSTPYTHON # doctest:+EXPECTED_FAILURE
+    >>> f(**{'x': 3}, x=5, y=2)
     Traceback (most recent call last):
       ...
     TypeError: test.test_unpack_ex.f() got multiple values for keyword argument 'x'
 
-    >>> f(**{'x': 3}, **{'x': 5}, y=2) # TODO: RUSTPYTHON # doctest:+EXPECTED_FAILURE
+    >>> f(**{'x': 3}, **{'x': 5}, y=2)
     Traceback (most recent call last):
       ...
     TypeError: test.test_unpack_ex.f() got multiple values for keyword argument 'x'
 
-    >>> f(x=5, **{'x': 3}, **{'x': 2}) # TODO: RUSTPYTHON # doctest:+EXPECTED_FAILURE
+    >>> f(x=5, **{'x': 3}, **{'x': 2})
     Traceback (most recent call last):
       ...
     TypeError: test.test_unpack_ex.f() got multiple values for keyword argument 'x'
 
-    >>> f(**{1: 3}, **{1: 5}) # TODO: RUSTPYTHON # doctest:+EXPECTED_FAILURE
+    >>> f(**{1: 3}, **{1: 5})
     Traceback (most recent call last):
       ...
     TypeError: test.test_unpack_ex.f() got multiple values for keyword argument '1'
 
 Unpacking non-sequence
 
-    >>> a, *b = 7 # TODO: RUSTPYTHON # doctest:+EXPECTED_FAILURE
+    >>> a, *b = 7
     Traceback (most recent call last):
       ...
     TypeError: cannot unpack non-iterable int object
@@ -321,17 +321,17 @@
 
 Now some general starred expressions (all fail).
 
-    >>> a, *b, c, *d, e = range(10) # TODO: RUSTPYTHON # doctest:+ELLIPSIS +EXPECTED_FAILURE
+    >>> a, *b, c, *d, e = range(10) # doctest:+ELLIPSIS
     Traceback (most recent call last):
       ...
     SyntaxError: multiple starred expressions in assignment
 
-    >>> [*b, *c] = range(10) # TODO: RUSTPYTHON # doctest:+ELLIPSIS +EXPECTED_FAILURE
+    >>> [*b, *c] = range(10) # doctest:+ELLIPSIS
     Traceback (most recent call last):
       ...
     SyntaxError: multiple starred expressions in assignment
 
-    >>> a,*b,*c,*d = range(4) # TODO: RUSTPYTHON # doctest:+ELLIPSIS +EXPECTED_FAILURE
+    >>> a,*b,*c,*d = range(4) # doctest:+ELLIPSIS
     Traceback (most recent call last):
       ...
     SyntaxError: multiple starred expressions in assignment
@@ -341,42 +341,42 @@
       ...
     SyntaxError: starred assignment target must be in a list or tuple
 
-    >>> *a # TODO: RUSTPYTHON # doctest:+ELLIPSIS +EXPECTED_FAILURE
+    >>> *a # doctest:+ELLIPSIS
     Traceback (most recent call last):
       ...
     SyntaxError: can't use starred expression here
 
-    >>> *1 # TODO: RUSTPYTHON # doctest:+ELLIPSIS +EXPECTED_FAILURE
+    >>> *1 # doctest:+ELLIPSIS
     Traceback (most recent call last):
       ...
     SyntaxError: can't use starred expression here
 
-    >>> x = *a # TODO: RUSTPYTHON # doctest:+ELLIPSIS +EXPECTED_FAILURE
+    >>> x = *a # doctest:+ELLIPSIS
     Traceback (most recent call last):
       ...
     SyntaxError: can't use starred expression here
 
-    >>> (*x),y = 1, 2 # TODO: RUSTPYTHON # doctest:+ELLIPSIS +EXPECTED_FAILURE
+    >>> (*x),y = 1, 2 # doctest:+ELLIPSIS
     Traceback (most recent call last):
       ...
     SyntaxError: cannot use starred expression here
 
-    >>> (((*x))),y = 1, 2 # TODO: RUSTPYTHON # doctest:+ELLIPSIS +EXPECTED_FAILURE
+    >>> (((*x))),y = 1, 2 # doctest:+ELLIPSIS
     Traceback (most recent call last):
       ...
     SyntaxError: cannot use starred expression here
 
-    >>> z,(*x),y = 1, 2, 4 # TODO: RUSTPYTHON # doctest:+ELLIPSIS +EXPECTED_FAILURE
+    >>> z,(*x),y = 1, 2, 4 # doctest:+ELLIPSIS
     Traceback (most recent call last):
       ...
     SyntaxError: cannot use starred expression here
 
-    >>> z,(*x) = 1, 2 # TODO: RUSTPYTHON # doctest:+ELLIPSIS +EXPECTED_FAILURE
+    >>> z,(*x) = 1, 2 # doctest:+ELLIPSIS
     Traceback (most recent call last):
       ...
     SyntaxError: cannot use starred expression here
 
-    >>> ((*x),y) = 1, 2 # TODO: RUSTPYTHON # doctest:+ELLIPSIS +EXPECTED_FAILURE
+    >>> ((*x),y) = 1, 2 # doctest:+ELLIPSIS
     Traceback (most recent call last):
       ...
     SyntaxError: cannot use starred expression here
@@ -402,15 +402,8 @@
 
 __test__ = {'doctests' : doctests}
 
-EXPECTED_FAILURE = doctest.register_optionflag('EXPECTED_FAILURE') # TODO: RUSTPYTHON
-class CustomOutputChecker(doctest.OutputChecker): # TODO: RUSTPYTHON
-    def check_output(self, want, got, optionflags): # TODO: RUSTPYTHON
-        if optionflags & EXPECTED_FAILURE: # TODO: RUSTPYTHON
-            return not super().check_output(want, got, optionflags) # TODO: RUSTPYTHON
-        return super().check_output(want, got, optionflags) # TODO: RUSTPYTHON
-
 def load_tests(loader, tests, pattern):
-    tests.addTest(doctest.DocTestSuite(checker=CustomOutputChecker())) # TODO: RUSTPYTHON
+    tests.addTest(doctest.DocTestSuite())
     return tests
 
 

diff --git a/crates/vm/src/builtins/function.rs b/crates/vm/src/builtins/function.rs
@@ -229,24 +229,24 @@ impl PyFunction {
                 };
 
                 // Count keyword-only arguments that were actually provided
-                let kwonly_given = if code.kwonlyarg_count > 0 {
-                    let kwonly_start = code.arg_count as usize;
-                    let kwonly_end = kwonly_start + code.kwonlyarg_count as usize;
-                    code.varnames[kwonly_start..kwonly_end]
+                let kw_only_given = if code.kwonlyarg_count > 0 {
+                    let start = code.arg_count as usize;
+                    let end = start + code.kwonlyarg_count as usize;
+                    code.varnames[start..end]
                         .iter()
                         .filter(|name| func_args.kwargs.contains_key(name.as_str()))
                         .count()
                 } else {
                     0
                 };
 
-                let given_msg = if kwonly_given > 0 {
+                let given_msg = if kw_only_given > 0 {
                     format!(
                         "{} positional argument{} (and {} keyword-only argument{}) were",
                         nargs,
                         if nargs == 1 { "" } else { "s" },
-                        kwonly_given,
-                        if kwonly_given == 1 { "" } else { "s" },
+                        kw_only_given,
+                        if kw_only_given == 1 { "" } else { "s" },
                     )
                 } else {
                     format!("{} {}", nargs, if nargs == 1 { "was" } else { "were" })