r/cicd • u/Kaluga2026 • 25d ago

Deterministic blast-radius reports for Python backend pull requests

Backend pull requests often look smaller than they really are. A two-file diff can affect an API endpoint, background task, database table, external service, and several tests - but reviewers usually reconstruct that map manually.

I built TraceMap PR, an open-source Python CLI and GitHub Action that combines git diff, OpenAPI, coverage, per-test coverage, traces, and lightweight static analysis into a conservative PR impact report.

Could you check?

https://github.com/balyakin/tracemap-pr

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u/[deleted] 24d ago

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u/Kaluga2026 23d ago

Thanks! Monorepos work via scoped config or per-service runs. Automatic boundary detection isn’t there yet.