Modernizing legacy code (brownfield engineer)

This guide helps engineers modernize legacy Python systems using SpecFact: extracting specs from code, enforcing contracts, and integrating with your IDE and CI. The detailed walkthrough, examples, and step-by-step commands live on the modules repository documentation.

Prerequisites: SpecFact CLI installed; a local clone of the codebase you plan to modernize.

Full guide on the canonical modules docs site: Brownfield engineer guide