gh-131831: Implement PEP 758 – Allow except and except* expressions without parentheses (#131833)

1 files changed, 5 insertions, 33 deletions

diff --git a/Lib/test/test_syntax.py b/Lib/test/test_syntax.py
index d2950cf48ab..2c87b145254 100644
--- a/Lib/test/test_syntax.py
+++ b/Lib/test/test_syntax.py
@@ -1667,28 +1667,14 @@ Make sure that the old "raise X, Y[, Z]" form is gone:
    SyntaxError: invalid syntax
 
 Check that an multiple exception types with missing parentheses
-raise a custom exception
-
-   >>> try:
-   ...   pass
-   ... except A, B:
-   ...   pass
-   Traceback (most recent call last):
-   SyntaxError: multiple exception types must be parenthesized
-
-   >>> try:
-   ...   pass
-   ... except A, B, C:
-   ...   pass
-   Traceback (most recent call last):
-   SyntaxError: multiple exception types must be parenthesized
+raise a custom exception only when using 'as'
 
    >>> try:
    ...   pass
    ... except A, B, C as blech:
    ...   pass
    Traceback (most recent call last):
-   SyntaxError: multiple exception types must be parenthesized
+   SyntaxError: multiple exception types must be parenthesized when using 'as'
 
    >>> try:
    ...   pass
@@ -1697,29 +1683,15 @@ raise a custom exception
    ... finally:
    ...   pass
    Traceback (most recent call last):
-   SyntaxError: multiple exception types must be parenthesized
+   SyntaxError: multiple exception types must be parenthesized when using 'as'
 
 
    >>> try:
    ...   pass
-   ... except* A, B:
-   ...   pass
-   Traceback (most recent call last):
-   SyntaxError: multiple exception types must be parenthesized
-
-   >>> try:
-   ...   pass
-   ... except* A, B, C:
-   ...   pass
-   Traceback (most recent call last):
-   SyntaxError: multiple exception types must be parenthesized
-
-   >>> try:
-   ...   pass
    ... except* A, B, C as blech:
    ...   pass
    Traceback (most recent call last):
-   SyntaxError: multiple exception types must be parenthesized
+   SyntaxError: multiple exception types must be parenthesized when using 'as'
 
    >>> try:
    ...   pass
@@ -1728,7 +1700,7 @@ raise a custom exception
    ... finally:
    ...   pass
    Traceback (most recent call last):
-   SyntaxError: multiple exception types must be parenthesized
+   SyntaxError: multiple exception types must be parenthesized when using 'as'
 
 Custom exception for 'except*' without an exception type