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Code Issues Releases Activity

gh-113703: Correctly identify incomplete f-strings in the codeop module (#113709)

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Pablo Galindo Salgado 2024-01-05 12:16:46 +00:00 committed by GitHub
parent 0ae60b66de
commit 3003fbbf00
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3 changed files with 11 additions and 2 deletions
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3
Lib/test/test_codeop.py
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@ -223,6 +223,9 @@ class CodeopTests(unittest.TestCase):
ai("(x for x in")
ai("(x for x in (")
ai('a = f"""')
ai('a = \\')
def test_invalid(self):
ai = self.assertInvalid
ai("a b")

2
Misc/NEWS.d/next/Core and Builtins/2024-01-04-17-15-30.gh-issue-113703.Zsk0pY.rst Normal file
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@ -0,0 +1,2 @@
Fix a regression in the :mod:`codeop` module that was causing it to incorrectly
identify incomplete f-strings. Patch by Pablo Galindo

8
Parser/lexer/lexer.c
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@ -1355,9 +1355,13 @@ f_string_middle:
tok->lineno = the_current_tok->f_string_line_start;
if (current_tok->f_string_quote_size == 3) {
return MAKE_TOKEN(_PyTokenizer_syntaxerror(tok,
_PyTokenizer_syntaxerror(tok,
"unterminated triple-quoted f-string literal"
" (detected at line %d)", start));
" (detected at line %d)", start);
if (c != '\n') {
tok->done = E_EOFS;
}
return MAKE_TOKEN(ERRORTOKEN);
}
else {
return MAKE_TOKEN(_PyTokenizer_syntaxerror(tok,