New submission from neonene <nicesal...@gmail.com>:
On Windows, Python master crashes using f-string (which has an invalid char
with braces) on line 3 and after.
It seems the issue is from commit (e5fe509054183bed9aef42c92da8407d339e8af8).
I tried
1) exec("f'{.}'")
2) exec("\nf'{.}'")
3) exec("\n\nf'{.}'")
commands and results are
1) expected
>>> exec("f'{.}'")
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<string>", line 1
(.)
^
SyntaxError: f-string: invalid syntax
2) unexpected (caret indicates nothing)
>>> exec("\nf'{.}'")
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<string>", line 2
^
SyntaxError: f-string: invalid syntax
3) python crashes
>>> exec("\n\nf'{.}'")
----------
components: Interpreter Core
messages: 385377
nosy: lys.nikolaou, neonene, pablogsal
priority: normal
severity: normal
status: open
title: pegen parser: Crash on SyntaxError with f-string on Windows
type: crash
versions: Python 3.10
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue42986>
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