Terry J. Reedy <[email protected]> added the comment:
The behavior remains the same in 3.11 ('main' branch). New PEG parser parses
this the same.
(Pablo, if there is a mistake below, please correct.)
Normally, the parser copies code chars between quotes, with or without '\'
interpretation, into a string object. When the 'f' prefix is given, the string
gets divided into substrings and replacement fields. The code part of each
replacement field is separately parsed. There are two options: 1. parse the
field code while looking for an endcode marker; 2. look ahead for an endcode
marker and then parse the code.
The current behavior is consistent with opotion 1 and the python policy of
reporting the first error found and exiting, rather than trying to
resynchronize to try to find more errors.
----------
nosy: +pablogsal, terry.reedy
resolution: -> not a bug
stage: -> resolved
status: open -> closed
versions: +Python 3.10, Python 3.11, Python 3.9
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<https://bugs.python.org/issue45086>
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