VS Code Extension Maps Python Code Dependencies Before You Make Changes

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A developer has released Change Impact Analyzer, a free VS Code extension designed to show how far a code change will propagate through a Python project before it is applied. The tool parses every Python file using tree-sitter and resolves function dependencies via a language server called pylsp. Inspired by a similar hand-built tool for C++ codebases, the creator wanted an automated equivalent for Python developers. The extension operates within a popup inside the editor, identifies which functions are affected, and asks for user confirmation before making any modifications. It is available on both GitHub and the Visual Studio Code Marketplace.

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