Show HN: Lythonic – Compose Python functions into data-flow pipelines

Category: devtools

Tags: data-pipeline, workflow-engine, dag, python, async

Score: 6.8/10 (Innovation: 6, Technical: 7, Documentation: 8, Utility: 6)

Lythonic is a Python library for composing plain functions into typed data-flow pipelines using a DAG (Directed Acyclic Graph) model with intuitive `>>` wiring. It's interesting because it focuses on data provenance and transparent execution (sync/async mixed) rather than opaque task scheduling, and includes built-in features like caching, triggers, and a CLI for production deployment.

Target audience: backend devs, data engineers, devops

Repository: https://github.com/walnutgeek/lythonic · Python · MIT

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