diff options
| -rw-r--r-- | Doc/whatsnew/3.11.rst | 2 | ||||
| -rw-r--r-- | Lib/test/test_syntax.py | 4 | ||||
| -rw-r--r-- | Misc/NEWS.d/next/Core and Builtins/2021-08-25-23-17-32.bpo-45000.XjmyLl.rst | 2 | ||||
| -rw-r--r-- | Python/compile.c | 4 |
4 files changed, 12 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.11.rst b/Doc/whatsnew/3.11.rst index 306385c..296b1b2 100644 --- a/Doc/whatsnew/3.11.rst +++ b/Doc/whatsnew/3.11.rst @@ -176,6 +176,8 @@ Other CPython Implementation Changes support :class:`typing.SupportsComplex` and :class:`typing.SupportsBytes` protocols. (Contributed by Mark Dickinson and Dong-hee Na in :issue:`24234`.) +* A :exc:`SyntaxError` (instead of a :exc:`NameError`) will be raised when deleting the :const:`__debug__` constant. (Contributed by Dong-hee Na in :issue:`45000`.) + New Modules =========== diff --git a/Lib/test/test_syntax.py b/Lib/test/test_syntax.py index 88503dc..43780ce 100644 --- a/Lib/test/test_syntax.py +++ b/Lib/test/test_syntax.py @@ -59,6 +59,10 @@ SyntaxError: cannot assign to __debug__ Traceback (most recent call last): SyntaxError: cannot assign to __debug__ +>>> del __debug__ +Traceback (most recent call last): +SyntaxError: cannot delete __debug__ + >>> f() = 1 Traceback (most recent call last): SyntaxError: cannot assign to function call here. Maybe you meant '==' instead of '='? diff --git a/Misc/NEWS.d/next/Core and Builtins/2021-08-25-23-17-32.bpo-45000.XjmyLl.rst b/Misc/NEWS.d/next/Core and Builtins/2021-08-25-23-17-32.bpo-45000.XjmyLl.rst new file mode 100644 index 0000000..96c95cc --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2021-08-25-23-17-32.bpo-45000.XjmyLl.rst @@ -0,0 +1,2 @@ +A :exc:`SyntaxError` is now raised when trying to delete :const:`__debug__`. +Patch by Dong-hee Na. diff --git a/Python/compile.c b/Python/compile.c index e651ca5..053915e 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -2343,6 +2343,10 @@ forbidden_name(struct compiler *c, identifier name, expr_context_ty ctx) compiler_error(c, "cannot assign to __debug__"); return 1; } + if (ctx == Del && _PyUnicode_EqualToASCIIString(name, "__debug__")) { + compiler_error(c, "cannot delete __debug__"); + return 1; + } return 0; } |