Python Package Index (PyPI)

The Python Package Index, commonly known as PyPI, is the official third-party software repository for the Python programming language hosted at pypi.org.

It’s a massive repository that hosts thousands of Python libraries and packages, allowing you to easily find and install them using tools like the pip package manager.

PyPI serves as a central hub for Python developers to share their projects and make them available to the community. By using PyPI, you can leverage a vast array of pre-built solutions to accelerate your development process, ensuring you don’t have to “reinvent the wheel” for common tasks.

When you want to use a library from PyPI, you can install it using the pip command in your terminal or command prompt. PyPI’s structure is designed to be user-friendly, making it easy to search for packages, read documentation, and check for updates. Whether you’re looking for web development frameworks, data analysis tools, or utilities for scientific computing, PyPI has something for every Python programmer.

Tutorial

How to Publish an Open-Source Python Package to PyPI

In this step-by-step tutorial, you’ll learn how to create a Python package for your project and how to publish it to PyPI, the Python Package Repository. Quickly get up to speed on everything from naming your package to configuring it using setup.cfg.

intermediate best-practices tools

For additional information on related topics, take a look at the following resources:


By Leodanis Pozo Ramos • Updated Jan. 6, 2025 • Reviewed by Dan Bader