pytest

pytest: simple powerful testing with Python

pytest Permissive license MIT Active ★ 14,414 v9.1.1 released 2026-06-19

Install

pytest on PyPI

pip

pip install pytest

uv

uv add pytest

poetry

poetry add pytest

Package facts

License	MIT (permissive)
Python support	supports the current Python release (>=3.10)
Install friction	low — pure-Python wheel
Runtime dependencies	7 — colorama, exceptiongroup, iniconfig, packaging, pluggy, pygments, tomli
Maintenance	actively maintained — 55 days since the last release
Last repo commit	2026-08-12
First released	2010-11-25
Popularity	one of the 100 most-downloaded packages on PyPI (30-day window, as of 2026-08-13)
Known vulnerabilities	none known (OSV.dev, checked 2026-08-13)

Evidence: pytest-9.1.1-py3-none-any.whl

Keywords: test, unittest

Development Status :: 6 - MatureIntended Audience :: DevelopersOperating System :: MacOSOperating System :: Microsoft :: WindowsOperating System :: POSIXOperating System :: UnixProgramming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Programming Language :: Python :: 3.15Topic :: Software Development :: LibrariesTopic :: Software Development :: TestingTopic :: Utilities

About pytest

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

.. image:: https://github.com/pytest-dev/pytest/raw/main/doc/en/img/pytest_logo_curves.svg :target: https://docs.pytest.org/en/stable/ :align: center :height: 200 :alt: pytest

.. image:: https://img.shields.io/pypi/v/pytest.svg :target: https://pypi.org/project/pytest/

.. image:: https://img.shields.io/conda/vn/conda-forge/pytest.svg :target: https://anaconda.org/conda-forge/pytest

.. image:: https://img.shields.io/pypi/pyversions/pytest.svg :target: https://pypi.org/project/pytest/

.. image:: https://codecov.io/gh/pytest-dev/pytest/branch/main/graph/badge.svg :target: https://codecov.io/gh/pytest-dev/pytest :alt: Code coverage Status

.. image:: https://github.com/pytest-dev/pytest/actions/workflows/test.yml/badge.svg :target: https://github.com/pytest-dev/pytest/actions?query=workflow%3Atest

.. image:: https://results.pre-commit.ci/badge/github/pytest-dev/pytest/main.svg :target: https://results.pre-commit.ci/latest/github/pytest-dev/pytest/main :alt: pre-commit.ci status

.. image:: https://www.codetriage.com/pytest-dev/pytest/badges/users.svg :target: https://www.codetriage.com/pytest-dev/pytest

.. image::...

Read as markdown · JSON record · Source repository · Homepage