joblib

Lightweight pipelining with Python functions

joblib Permissive license BSD-3-Clause Active ★ 4,382 v1.5.3 released 2025-12-15

Install

joblib on PyPI

pip

pip install joblib

uv

uv add joblib

poetry

poetry add joblib

Package facts

License	BSD-3-Clause (permissive)
Python support	supports the current Python release (>=3.9)
Install friction	low — pure-Python wheel
Runtime dependencies	none
Maintenance	actively maintained — 241 days since the last release
Last repo commit	2026-08-05
First released	2008-10-26
Popularity	one of the top 1,000 most-downloaded packages on PyPI (30-day window, as of 2026-08-13)
Known vulnerabilities	none known (OSV.dev, checked 2026-08-13)

Evidence: joblib-1.5.3-py3-none-any.whl

Development Status :: 5 - Production/StableEnvironment :: ConsoleIntended Audience :: DevelopersIntended Audience :: EducationIntended Audience :: Science/ResearchOperating System :: OS IndependentProgramming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.9Topic :: Scientific/EngineeringTopic :: Software Development :: LibrariesTopic :: Utilities

About joblib

from the package's own PyPI description — quoted content, verbatim

.. |PyPi| image:: https://badge.fury.io/py/joblib.svg :target: https://badge.fury.io/py/joblib :alt: Joblib version

.. |CIStatus| image:: https://github.com/joblib/joblib/actions/workflows/test.yml/badge.svg :target: https://github.com/joblib/joblib/actions/workflows/test.yml?query=branch%3Amain :alt: CI status

.. |ReadTheDocs| image:: https://readthedocs.org/projects/joblib/badge/?version=latest :target: https://joblib.readthedocs.io/en/latest/?badge=latest :alt: Documentation Status

.. |Codecov| image:: https://codecov.io/gh/joblib/joblib/branch/main/graph/badge.svg :target: https://codecov.io/gh/joblib/joblib :alt: Codecov coverage

The homepage of joblib with user documentation is located on:

https://joblib.readthedocs.io

Getting the latest code

To get the latest code using git, simply type::

git clone https://github.com/joblib/joblib.git

If you don't have git installed, you can download a zip of the latest code: https://github.com/joblib/joblib/archive/refs/heads/main.zip

Installing

You can use pip to install joblib from any directory::

pip install...

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