diff --git a/Lib/test/test_codeop.py b/Lib/test/test_codeop.py index 2abb6c6d935b7e..787bd1b6a79e20 100644 --- a/Lib/test/test_codeop.py +++ b/Lib/test/test_codeop.py @@ -223,6 +223,9 @@ def test_incomplete(self): 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") diff --git a/Misc/NEWS.d/next/Core and Builtins/2024-01-04-17-15-30.gh-issue-113703.Zsk0pY.rst b/Misc/NEWS.d/next/Core and Builtins/2024-01-04-17-15-30.gh-issue-113703.Zsk0pY.rst new file mode 100644 index 00000000000000..5db93e344724fb --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2024-01-04-17-15-30.gh-issue-113703.Zsk0pY.rst @@ -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 diff --git a/Parser/lexer/lexer.c b/Parser/lexer/lexer.c index ea4bdf7ce4a24c..ebf7686773ff45 100644 --- a/Parser/lexer/lexer.c +++ b/Parser/lexer/lexer.c @@ -1355,9 +1355,13 @@ tok_get_fstring_mode(struct tok_state *tok, tokenizer_mode* current_tok, struct 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,