rpytest Rust Run your pytest suite faster. Change nothing.
A Rust-powered drop-in for pytest. A persistent Python daemon keeps the interpreter warm between runs so you stop paying startup and collection cost on every invocation. Tests, fixtures, plugins and conftest.py are unchanged.
Install
$ pip install rpytest Frequently asked questions
What is rpytest?
rpytest is Run your pytest suite faster. Change nothing. It is part of the Neul Labs open-source portfolio (36 MIT-licensed projects for AI agent infrastructure). A Rust-powered drop-in for pytest. A persistent Python daemon keeps the interpreter warm between runs so you stop paying startup and collection cost on every invocation. Tests, fixtures, plugins and conftest.py are unchanged.
How do I install rpytest?
Install with: `pip install rpytest`. rpytest is MIT licensed and ships prebuilt binaries where applicable.
What language is rpytest written in?
rpytest is written in Rust.
Is rpytest open source?
Yes. rpytest is MIT licensed and publicly available at https://github.com/neul-labs/rpytest. All 36 Neul Labs projects are MIT licensed.
How does rpytest compare to alternatives?
See the detailed comparison at https://www.neullabs.com/compare/rpytest-vs-pytest.