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Use colors in tab-completion in PyREPL #130472
Description
The current tab-completer is somewhat basic. There's a pyrepl-based library called fancycompleter that allows for context-aware colorful tab completions. Much more useful and looks better.
Activity
gaogaotiantian commented on Feb 22, 2025
I actually have a question about the overall color-related features - how many colors can we use at this point, and how should we use them? If I remember correctly, it took a while to land on this magenda color for some stuff, and we are planning to add much more colors for completion? How much we need to think about for color-blindness or different terminal backgrounds to use new colors? I always have this question because pdb could really use some colors, but it doesn't seem like we have a consensus about how we can use them.
ambv commented on Feb 23, 2025
@gaogaotiantian the plan is to add theming support in PYTHONSTARTUP. I'll be working on this in March.
gaogaotiantian commented on Feb 23, 2025
Got it, thanks!
pythongh-130472: Fix pyrepl fancycompleter edge cases
gh-130472: Integrate fancycompleter with the new repl, to get colored…
StanFromIreland commented on Apr 6, 2026
This introduced some regressions:
Screencast.From.2026-04-06.10-41-01.mp4(yes, they are blinking)
hugovk commented on Apr 6, 2026
No blinking here, but webbrowser.GenericBrowser is not visible:
And the strikethrough, italic, underline and dimmed text is surprising.
StanFromIreland commented on Apr 6, 2026
I found the root cause for some issues, though contrast issues remain: https://github.com/python/cpython/pull/130473/changes#r3038878981
pablogsal commented on Apr 6, 2026
Looking into it
pythongh-130472: Remove readline-only hacks from PyREPL completions
pablogsal commented on Apr 6, 2026
I think #148161 should do the trick
pythongh-130472: Show PyREPL completion menus left to right
gh-130472: Remove readline-only hacks from PyREPL completions (#148161)
tomasr8 commented on Apr 6, 2026
If it's ok, I'll reopen this for #148188 since it's related (I can also open a separate issue if you prefer though)
pythongh-130472: Integrate fancycompleter with the new repl, to get c…
pythongh-130472: Remove readline-only hacks from PyREPL completions (p…
gh-130472: Use fancycompleter in import completions (#148188)