[WIP] PR: Initial traceback setup to use selected syntax style (IPython Console)

[dalthviz]

Description of Changes

• Included a screenshot or animation (if affecting the UI, see Licecap)

Enable verbose tracebacks to follow currently selected syntax style. A preview:

Issue(s) Resolved

Fixes #22412

Notes

Probably the logic here to set the syntax style via the import of the VerboseTB class and set the exception handler to verbose (xmode magic) should go over spyder-kernels and be added as a kernel comm handler method? What do you think @ccordoba12 ?

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[pep8speaks]

Hello @dalthviz! Thanks for opening this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file spyder/plugins/ipythonconsole/widgets/shell.py:

Line 1445:1: E122 continuation line missing indentation or outdented

[ccordoba12]

Probably the logic here to set the syntax style via the import of the VerboseTB class and set the exception handler to verbose (xmode magic) should go over spyder-kernels and be added as a kernel comm handler method?

Yep, I was thinking exactly the same. You should be able to use the ShellWidget.set_kernel_configuration method to do that and then add a new method in spyder-kernels to set the traceback style.

That approach has the great advantage of being backwards compatible because the corresponding handler in spyder-kernels (SpyderKernel.set_configuration) doesn't do anything if it's asked to update a config it can't handle.

Also, since this requires the verbose traceback mode, you need to change that in the kernel too, specifically here:

https://github.com/spyder-ide/spyder-kernels/blob/7b8dc11d487b7f94cf94a9546ea29b65c64e3c84/spyder_kernels/console/start.py#L73

And you also probably need to update the code that allows to click on a traceback filename to open it in the editor due to that.