Simon Willison’s Weblog

The joy of pdb.set_trace(). I use nosetests --pdb-failures as my main entrypoint for Python debugging—it starts the debugger at the first failing test.

Posted 25th April 2007 at 11:37 pm

Recent articles

Large Language Models can run tools in your terminal with LLM 0.26 - 27th May 2025
Highlights from the Claude 4 system prompt - 25th May 2025
Live blog: Claude 4 launch at Code with Claude - 22nd May 2025

pdb 6 python 1154 debugging 34 testing 61 nose 5

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