Author lys.nikolaou
Recipients eric.smith, gvanrossum, lys.nikolaou, pablogsal
Date 2020-06-22.23:53:42
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Message-id <1592870022.32.0.609883413471.issue41084@roundup.psfhosted.org>
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It's relatively easy to identify if a SyntaxError occurs when parsing an fstring expression or not. The idea is to slightly change the error message to start with "f-string: " when it does (in the same way in which SyntaxError messages are produced by the hand-written fstring parser). I have a working PR that produces the following:

$ cat a.py
f'{a $ b}'
$ ./python.exe a.py
  File "/Users/lysnikolaou/Repositories/cpython/a.py", line 1
    (a $ b)
       ^
SyntaxError: f-string: invalid syntax

Thoughts?
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Date User Action Args
2020-06-22 23:53:42lys.nikolaousetrecipients: + lys.nikolaou, gvanrossum, eric.smith, pablogsal
2020-06-22 23:53:42lys.nikolaousetmessageid: <1592870022.32.0.609883413471.issue41084@roundup.psfhosted.org>
2020-06-22 23:53:42lys.nikolaoulinkissue41084 messages
2020-06-22 23:53:42lys.nikolaoucreate