Real Production Codebases Analyzed

Code Analysis Demos (As Of 27JAN2026)

Explore architectural insights from 7 frameworks across 6 languages - including PViz analyzing itself!

Flask

Python

Lightweight WSGI web application framework

View on GitHub67k stars
Architecture Grade
A-
83
Files Analyzed
520
Functions
10k
Lines of Code
2.1
Coupling Density
Circular Dependencies1 groups
God ModulesNone ✓
Coupling QualityGood

Key Findings

Clean WSGI architecture with excellent separation of concerns

Only 1 circular dependency - remarkably clean for Python framework

Moderate coupling (2.1) typical for web frameworks with rich APIs

Core flask module has 32 importers - central hub pattern

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