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authorShantanu <hauntsaninja@users.noreply.github.com>2020-05-27 20:30:38 (GMT)
committerGitHub <noreply@github.com>2020-05-27 20:30:38 (GMT)
commitc116c94ff119485761460f1033cdee425bed0310 (patch)
tree83d645e05d244b3692c004648a510691a4856a96 /Python
parentdb5aed931f8a617f7b63e773f62db468fe9c5ca1 (diff)
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bpo-40614: Respect feature version for f-string debug expressions (GH-20196)
Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com> Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
Diffstat (limited to 'Python')
-rw-r--r--Python/ast.c6
1 files changed, 6 insertions, 0 deletions
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 @@ fstring_find_expr(const char **str, const char *end, int raw, int recurse_lvl,
/* 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