ThoughtWorksInc/daffy

Lightweight DataFrame validation decorators for Pandas, Polars, Modin, and PyArrow. No custom types required.

2 best points · 0 comments · 1 Hacker News post · 60 GitHub stars · View on GitHub

Hacker News discussions

• Show HN: Annotation to document and runtime validate Pandas and Polars dataframe (2 points, 0 comments, by vertti, 2025-11-23)