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bpo-40614: Respect feature version for f-string debug expressions (GH-20196)

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Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
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Shantanu 2020-05-27 13:30:38 -07:00 • committed by GitHub
parent db5aed931f
commit c116c94ff1
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6
Python/ast.c
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@ -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