News for hackers. Stuff that matters.

A comment on Ty: A fast Python type checker and language server. Parent comment

Re:Ty: A fast Python type checker and language server by amelius on Thursday May 08, 2025 @05:38AM (#43924586)
My problem is that debugging a segfault in a Python system is impossible because of all the noise generated by Python modules that never bothered to clean up their Valgrind output.
[ Parent | on HN ]
Re:Ty: A fast Python type checker and language server by badmintonbaseba on Thursday May 08, 2025 @06:38AM (#43924891)
Some tricks that worked for me in the past:

1. use rr for debugging your binary wheel, you can set up watchpoints, and reverse step/continue from the segfault.

2. compile and run your wheel with sanitizers (ASAN, UBSAN).

I rarely use valgrind so I can't comment on that.

[ Parent | on HN ]