That is going to be very hard to read, unfortunately. Especially when the line is not simple. Highlighting the range is quite a fundamental part of the proposal and is driven by the great welcoming of highlighting ranges for syntax errors, which many users have reached to say that they find it extremely useful as a visual feature.
Also, people with vision problems have mentioned how important having a highlighting section under the code to quickly understand the problem. On Mon, 10 May 2021 at 11:46, Irit Katriel via Python-Dev < python-dev@python.org> wrote: > > Another alternative is instead of > > File blah.py line 3: > return x/0 > ^^^ > > to have > > File blah.py line 3 cols 12-14: > x/0 > > > On Mon, May 10, 2021 at 11:12 AM Steven D'Aprano <st...@pearwood.info> > wrote: > >> On Mon, May 10, 2021 at 05:34:12AM -0400, Terry Reedy wrote: >> > On 5/10/2021 3:28 AM, M.-A. Lemburg wrote: >> > >> > >I'm mostly thinking of tracebacks which go >10 levels deep, which is >> > >rather common in larger applications. For those tracebacks, the top >> > >entries are mostly noise you never look at when debugging. The proposal >> > >now adds another 10 extra lines to jump over :-) >> > >> > If the slice were instead marked with color tagging, as I hope will be >> > possible in IDLE and other IDEs, then no extra lines well be needed >> >> That's great for people using IDLE, but for those using the vanilla >> Python interpreter, M-A.L makes a good point about increasing the >> vertical size of the traceback which will almost always be ignored. >> >> Its especially the case for beginners. Its hard enough to get newbies to >> read *any* of the traceback. Anything which increases the visual noise >> of that is going to make it harder. >> >> >> -- >> Steve >> _______________________________________________ >> Python-Dev mailing list -- python-dev@python.org >> To unsubscribe send an email to python-dev-le...@python.org >> https://mail.python.org/mailman3/lists/python-dev.python.org/ >> Message archived at >> https://mail.python.org/archives/list/python-dev@python.org/message/3ADVDPF4Z5DMXKG2CMJ3JTIN2SC76AUC/ >> Code of Conduct: http://python.org/psf/codeofconduct/ >> > _______________________________________________ > Python-Dev mailing list -- python-dev@python.org > To unsubscribe send an email to python-dev-le...@python.org > https://mail.python.org/mailman3/lists/python-dev.python.org/ > Message archived at > https://mail.python.org/archives/list/python-dev@python.org/message/YWNDAKU7RYBFWCRMXK3UZEYFE7NLUSNY/ > Code of Conduct: http://python.org/psf/codeofconduct/ >
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