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GH-103727: Avoid advancing tokenizer too far in f-string mode (GH-103775)

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Lysandros Nikolaou 2023-04-24 12:30:21 -06:00 • committed by GitHub
parent ab25c7e311
commit cb157a1a35
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2 changed files with 14 additions and 14 deletions
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10
Lib/test/test_fstring.py
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@ -940,15 +940,13 @@ x = (
"f'{lambda :x}'",
"f'{lambda *arg, :x}'",
"f'{1, lambda:x}'",
"f'{lambda x:}'",
"f'{lambda :}'",
])
# but don't emit the paren warning in general cases
self.assertAllRaise(SyntaxError,
"f-string: expecting a valid expression after '{'",
["f'{lambda x:}'",
"f'{lambda :}'",
"f'{+ lambda:None}'",
])
with self.assertRaisesRegex(SyntaxError, "f-string: expecting a valid expression after '{'"):
eval("f'{+ lambda:None}'")
def test_valid_prefixes(self):
self.assertEqual(F'{1}', "1")