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IDLE: Wrong highlighting when previous line ends with backslash #140334
Description
Activity
I found exactly where the problem is coming from (
Lib/idlelib/colorizer.py@make_pat) and I have a solution that passes all tests. I am working a pull request.Reacted by Stan Ulbrych- changed the title
[-]IDLE: Wrong highlighting when previous line ends with slash[/-][+]IDLE: Wrong highlighting when previous line ends with backslash[/+]on Oct 19, 2025 @TheLizzard Thank you for a definitely non trivial patch. Will test when I can before looking at Stan's alternative.
@StanFromIreland When I merged to patch to support t-strings, I thought about using the new tokenizer and associated PyREPL code. I made a new issue for this and changed your PR to attach it there.
Reacted by Stan UlbrychI think we can merge the patch first, and then look at the larger issue.
Bug report
Bug description:
Code like this
should be coloured the same way as
Right now IDLE doesn't respect the slash before the newline and thinks that every new line is a new statement.
Similarly in:
The last
matchshould be coloured in like a variable and not a keyword.CPython versions tested on:
CPython main branch
Operating systems tested on:
Linux
Linked PRs