How I Automated the Web3.py v6 to v7 Migration with AST + AI

Web3.py v7 introduced a migration problem that was much more painful than a normal dependency upgrade. It changed middleware architecture, provider names, exception imports, and namespace usage in ways that can easily break production code if migrated mechanically. I built Web3.py v7 Zero-BS Migrator to automate that upgrade with a hybrid approach: deterministic AST transforms for statically provable changes, and a tightly scoped AI rewrite layer only for middleware patterns that cannot be trans