Python file streaming 237MB/s on $8/M droplet in 507 lines of stdlib

In plain words

Axon is a lightweight Python WSGI framework built with only standard library code in 507 lines. It streams files at up to 237MB/s on minimal hardware while keeping memory usage bounded below 225MB. The framework bundles multiple files into multipart streams, supports HTTP range requests, and uses generators for efficient delivery. It is designed for developers who need fast file serving with minimal dependencies and resource consumption.

written from the facts on this page · September 2026

From the sources

I built an open-source WSGI core that consumes dynamic batch requests via query strings and bundles the specified files into a multipart stream. Axon is synchronous and implemented in 507 lines of Python with zero dependencies. I designed it for the rapid prototyping of experimental applications that require granular control over the request lifecycle. I needed something simple enough to retool qu

In the maker’s words, at launch

Quick Links: - PyPI: https://pypi.org/project/axon-api/ - GitHub: https://github.com/b-is-for-build/axon-api - Deployment Script: https://github.com/b-is-for-build/axon-api/blob/master/examp... Axon is a 507-line, pure Python WSGI…

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