pynsource ☆

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Description:
Reverse engineer Python source code into UML

Type: Cask | Latest Version: 1.84@0 | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: uml visualization python diagram reverse-engineering developer-tools

Install: brew install --cask pynsource

About:
Pynsource is a visualization tool that scans Python source code and automatically generates UML class diagrams. It helps developers understand complex codebases by providing a graphical representation of classes, their attributes, methods, and relationships. This reverse engineering capability makes it invaluable for analyzing legacy code or unfamiliar projects.

Key Features:

Automatic UML diagram generation from Python source code
Support for Python 2 and Python 3
Visual editing and diagram customization
Export diagrams to image formats (PNG, JPG)
Ability to parse and visualize entire project directories

Use Cases:

Understanding and documenting legacy Python codebases
Visualizing class relationships in complex software projects
Generating architectural documentation for team collaboration
Learning how a new codebase is structured

Alternatives:

PyReverse – Part of pylint, generates UML diagrams but with less visual editing capabilities
Code2Flow – Focuses on call graphs rather than class UML diagrams
VizTracer – Traces execution flow instead of static code structure visualization

Version History

Detected	Version	Rev	Change	Commit
Aug 5, 2025 2:22pm	1.84	0	VERSION_BUMP	6f0a8d1b
Jul 28, 2024 1:22pm	1.84	0	VERSION_BUMP	d5b0a4f4