[3.9] bpo-40614: Respect feature version for f-string debug expressions (GH-20196) (GH-20464)
Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
(cherry picked from commit c116c94)
Co-authored-by: Shantanu <hauntsaninja@users.noreply.github.com>
diff --git a/Python/ast.c b/Python/ast.c
index 2d20ca6..c524b8e 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -5069,6 +5069,12 @@
/* Check for =, which puts the text value of the expression in
expr_text. */
if (**str == '=') {
+ if (c->c_feature_version < 8) {
+ ast_error(c, n,
+ "f-string: self documenting expressions are "
+ "only supported in Python 3.8 and greater");
+ goto error;
+ }
*str += 1;
/* Skip over ASCII whitespace. No need to test for end of string