ormsgpack

ormsgpack is a fast MessagePack serialization library for Python derived from orjson, with native support for various Python types.

ormsgpack follows semantic versioning and supports CPython, PyPy and GraalPy.

Installation

pip

pip install ormsgpack

uv

uv add ormsgpack

Installing from a source distribution requires Rust 1.81 or newer and maturin.

License

ormsgpack is licensed under both the Apache License, Version 2.0, and the MIT License.