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gh-129958: Properly disallow newlines in format specs in single-quoted f-strings (GH-130063)

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Pablo Galindo Salgado 2025-04-18 13:30:04 +01:00 • committed by GitHub
parent e01e582902
commit 2f8b08da47
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4 changed files with 39 additions and 31 deletions
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35
Lib/test/test_tokenize.py
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@ -605,22 +605,6 @@ f'''__{
OP '}' (6, 0) (6, 1)
FSTRING_MIDDLE '__' (6, 1) (6, 3)
FSTRING_END "'''" (6, 3) (6, 6)
""")
self.check_tokenize("""\
f'__{
x:d
}__'""", """\
FSTRING_START "f'" (1, 0) (1, 2)
FSTRING_MIDDLE '__' (1, 2) (1, 4)
OP '{' (1, 4) (1, 5)
NL '\\n' (1, 5) (1, 6)
NAME 'x' (2, 4) (2, 5)
OP ':' (2, 5) (2, 6)
FSTRING_MIDDLE 'd' (2, 6) (2, 7)
NL '\\n' (2, 7) (2, 8)
OP '}' (3, 0) (3, 1)
FSTRING_MIDDLE '__' (3, 1) (3, 3)
FSTRING_END "'" (3, 3) (3, 4)
""")
self.check_tokenize("""\
@ -2471,21 +2455,6 @@ f'''__{
RBRACE '}' (6, 0) (6, 1)
FSTRING_MIDDLE '__' (6, 1) (6, 3)
FSTRING_END "'''" (6, 3) (6, 6)
""")
self.check_tokenize("""\
f'__{
x:d
}__'""", """\
FSTRING_START "f'" (1, 0) (1, 2)
FSTRING_MIDDLE '__' (1, 2) (1, 4)
LBRACE '{' (1, 4) (1, 5)
NAME 'x' (2, 4) (2, 5)
COLON ':' (2, 5) (2, 6)
FSTRING_MIDDLE 'd' (2, 6) (2, 7)
RBRACE '}' (3, 0) (3, 1)
FSTRING_MIDDLE '__' (3, 1) (3, 3)
FSTRING_END "'" (3, 3) (3, 4)
""")
def test_function(self):
@ -3041,6 +3010,10 @@ async def f():
"'''sdfsdf''",
"("*1000+"a"+")"*1000,
"]",
"""\
f'__{
x:d
}__'""",
]:
with self.subTest(case=case):
self.assertRaises(tokenize.TokenError, get_tokens, case)