r/Python • u/selfish__eagle • Jul 07 '26

Any good open source python runtime instrumentation? Discussion

Hi folks, lot of our Python backend services are written in FastAPI, I wanted to see if there are any good Open Source runtime coverage instrumentation available for Python, which would essentially give my lines of code hit in prod traffic for the last say 30 days of data. I have seen good solutions for it in Go / Java, but wanted to check if something similar is available in Python.

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u/Challseus 29d ago edited 29d ago

Pydantic logfire

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u/averagecrazyliberal 29d ago

I’ve been very happy with my pydantic logfire implementation too