---
id: astroid
version: "4.3.0"
license: LGPL-2.1-or-later
license_treatment: copyleft
maintenance: active
---

# astroid — An abstract syntax tree for Python with inference support.

License: copyleft · Maintenance: active · Popularity: top 1,000 on PyPI

## Install

pip install astroid
uv add astroid
poetry add astroid

## Description

Astroid
=======

.. image:: https://codecov.io/gh/pylint-dev/astroid/branch/main/graph/badge.svg
    :target: https://codecov.io/gh/pylint-dev/astroid
    :alt: Coverage badge from codecov

.. image:: https://readthedocs.org/projects/astroid/badge/?version=latest
    :target: http://astroid.readthedocs.io/en/latest/?badge=latest
    :alt: Documentation Status

.. image:: https://img.shields.io/badge/code%20style-black-000000.svg
    :target: https://github.com/ambv/black

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

.. |tidelift_logo| image:: https://raw.githubusercontent.com/pylint-dev/astroid/main/doc/media/Tidelift_Logos_RGB_Tidelift_Shorthand_On-White.png
   :width: 200
   :alt: Tidelift

.. list-table::
   :widths: 10 100

   * - |tidelift_logo|
     - Professional support for astroid is available as part of the
       `Tidelift Subscription`_.  Tidelift gives software development teams a single source for
       purchasing and maintaining their software, with professional grade assurances
       from the experts who know it...

## AI interpretation — verify before relying

Astroid provides an extended abstract syntax tree (AST) representation of Python source code with static inference and scope analysis capabilities, powering tools like pylint for code quality analysis.

Verdict: Astroid is a mature, actively maintained library well-suited for projects requiring Python AST analysis with inference capabilities. Its low install friction, copyleft licensing, and zero known vulnerabilities make it a solid choice for code analysis tools, though users must ensure LGPL compliance in their own projects.

[View on SkillFed](https://skillfed.io/packages/astroid) · [View on PyPI](https://pypi.org/project/astroid/)