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I have experimented with emacs' various shells (term in combination with compilation-mode in particular), and have had performance problems. For that reason I still use a separate terminal (e.g. gnome-terminal).

My main use case is to run a test suite (python) and then click through stack frames in tracebacks in the test run output (using compilation-mode) to have emacs visit the corresponding source files. My current use of gnome-terminal leaves me manually jumping to buffers and lines in the tracebacks.

What is the best way to do that that:

  • Does not use term, shell, or eterm etc.
  • Does not noticeably slow down emacs
  • Is in good emacs taste (perhaps, just as an example: works well with existing python or compile-run-debug support built into emacs)
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  • Actually having posted this I realize the stupifyingly obvious answer is M-x compile... I will try that :-) – Croad Langshan Aug 20 '15 at 18:26
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Traceback highlighting is provided by the compile package.

You can use M-x compile to run a script and get traceback highlighting. If you have an existing buffer with a traceback, you can use M-x compilation-minor-mode to highlight the tracebacks there.

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M-x compile does exactly what is needed here.

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  • Moderators: I hesitated to post this seemingly obvious / "oneliner" answer to my own question, but the fact is, having used emacs for many years and having learned many obscure emacs details, I was still wasting a lot of time simply because this basic emacs feature was not one I'd ever picked up from colleagues or thought to try! Maybe partly because 'compile' is not a word that came to mind when writing python code? (even though I've frequently used compilation-mode...) – Croad Langshan Aug 20 '15 at 18:39

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