Adding _render_traceback_ for IPython

[jakirkham]

One neat idea that occurs to me is if the Traceback object implemented the _render_traceback_ method. All IPython seems to expect is a list of individual lines. This would allow custom rendering of Tracebacks in the IPython context.

[ionelmc]

Not sure how this would look in the notebook - do you have examples? It would illustrate why this is needed at the very least.

On Sun, Apr 1, 2018, 00:34 jakirkham notifications@github.com wrote:

One neat idea that occurs to me is if the Traceback object implemented the _rendertraceback method http://ipython.readthedocs.io/en/stable/config/integrating.html#custom-exception-tracebacks. All IPython seems to expect is a list of individual lines. This would allow custom rendering of Tracebacks in the IPython context.

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[jakirkham]

According to the docs, it is just a list of strs. Looking a little more closely, it appears to typically be the output of traceback.format_exception (at least that is true of ipyparallel). The method appears to be called when the exception is raised in the notebook.

@minrk, would know more about this than I.