[issue37433] syntax error in multiline f-string produces ~40k spaces output

STINNER Victor added the comment: The initial issue has been fixed in master by the commit 5b94f3578c662d5f1ee90c0e6b81481d9ec82d89: commit 5b94f3578c662d5f1ee90c0e6b81481d9ec82d89 Author: Anthony Sottile Date: Mon Jul 29 06:59:13 2019 -0700 Fix `SyntaxError` indicator printing too ma

[issue37433] syntax error in multiline f-string produces ~40k spaces output

Anthony Sottile added the comment: seems unrelated and does the same on older versions of python: ``` $ python3.5 t.py File "t.py", line 4 ^ SyntaxError: EOF while scanning triple-quoted string literal ``` I'd suggest a new issue or finding the dupe -- ___

[issue37433] syntax error in multiline f-string produces ~40k spaces output

Aaron Meurer added the comment: This seems related. It's also possible I'm misunderstanding what is supposed to happen here. If you create test.py with just the 2 lines: """ a and run python test.py from CPython master, you get $./python.exe test.py File "/Users/aaronmeurer/Documents/cpy

[issue37433] syntax error in multiline f-string produces ~40k spaces output

Change by miss-islington : -- pull_requests: +14771 pull_request: https://github.com/python/cpython/pull/15005 ___ Python tracker ___ __

[issue37433] syntax error in multiline f-string produces ~40k spaces output

Change by Anthony Sottile : -- pull_requests: +14769 pull_request: https://github.com/python/cpython/pull/15003 ___ Python tracker ___ _

[issue37433] syntax error in multiline f-string produces ~40k spaces output

Anthony Sottile added the comment: sure! the only other case I could come up with involves multi-line strings and invalid escape sequences + Werror let me see if I can fold that in as well -- ___ Python tracker

[issue37433] syntax error in multiline f-string produces ~40k spaces output

Pablo Galindo Salgado added the comment: Thanks Anthony Sottile for the fix! I suggest adding more test cases that do not involve f-strings, what do you think? Can you create another PR for those? -- nosy: +pablogsal ___ Python tracker

[issue37433] syntax error in multiline f-string produces ~40k spaces output

Change by miss-islington : -- pull_requests: +14767 pull_request: https://github.com/python/cpython/pull/15001 ___ Python tracker ___ __

[issue37433] syntax error in multiline f-string produces ~40k spaces output

Terry J. Reedy added the comment: OK, very obnoxious. Fix restores behavior above. -- ___ Python tracker ___ ___ Python-bugs-list

[issue37433] syntax error in multiline f-string produces ~40k spaces output

Change by Terry J. Reedy : -- Removed message: https://bugs.python.org/msg346872 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue37433] syntax error in multiline f-string produces ~40k spaces output

Anthony Sottile added the comment: just an f-string doesn't trigger this, there needs to be tokens before it -- ___ Python tracker ___

[issue37433] syntax error in multiline f-string produces ~40k spaces output

Terry J. Reedy added the comment: On Windows 10 with current 3.8 I see correct output, so the bug seems OS specific, even though the simple fix (see PR) is not. C:\Users\Terry>py f:/python/a/tem4.py File "f:/python/a/tem4.py", line 1 f'''{} ^ SyntaxError: f-string: empty expression