bpo-44368: Ensure we don't raise incorrect custom syntax errors with soft keywords (GH-26630)
(cherry picked from commit 457ce60fc70f1c9290023f46fb82b6a490dff32e)
Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
diff --git a/Lib/test/test_exceptions.py b/Lib/test/test_exceptions.py
index b242c08..9cb5466 100644
--- a/Lib/test/test_exceptions.py
+++ b/Lib/test/test_exceptions.py
@@ -215,6 +215,7 @@ def testSyntaxErrorOffset(self):
check('[\nfile\nfor str(file)\nin\n[]\n]', 3, 5)
check('[file for\n str(file) in []]', 2, 2)
check("ages = {'Alice'=22, 'Bob'=23}", 1, 16)
+ check('match ...:\n case {**rest, "key": value}:\n ...', 2, 19)
# Errors thrown by compile.c
check('class foo:return 1', 1, 11)
diff --git a/Lib/test/test_syntax.py b/Lib/test/test_syntax.py
index 5d3ce4c..72e4ab1 100644
--- a/Lib/test/test_syntax.py
+++ b/Lib/test/test_syntax.py
@@ -267,7 +267,7 @@
SyntaxError: invalid syntax. Perhaps you forgot a comma?
# Make sure soft keywords constructs don't raise specialized
-# errors regarding missing commas
+# errors regarding missing commas or other spezialiced errors
>>> match x:
... y = 3
@@ -280,6 +280,24 @@
Traceback (most recent call last):
SyntaxError: invalid syntax
+>>> match x:
+... case $:
+... ...
+Traceback (most recent call last):
+SyntaxError: invalid syntax
+
+>>> match ...:
+... case {**rest, "key": value}:
+... ...
+Traceback (most recent call last):
+SyntaxError: invalid syntax
+
+>>> match ...:
+... case {**_}:
+... ...
+Traceback (most recent call last):
+SyntaxError: invalid syntax
+
From compiler_complex_args():
>>> def f(None=1):