Simple powerful testing with Python

The uncompromising code formatter

Python dependency management and packaging made easy

An extremely fast Python linter and code formatter, written in Rust

An extremely fast Python package installer and resolver, written in Rust

Python mutation testing system to help you find untested code

A Python tool to enforce dependencies, using modular architecture

An open-source web application to create and share documents with live code

The next-generation web-based user interface for Project Jupyter

The Scientific Python Development Environment

Python documentation generator

Bundle a Python application and all its dependencies into a single package

Data validation and settings management using Python type annotations

An open-source quantum computing software development framework

The official Python module from the Qt for Python project

An open source Python library for rapid development of applications that use innovative user interfaces

Tools and libraries for building native user interfaces

A generic open source automation framework for acceptance testing and robotic process automation

A property-based testing library for Python

Core utilities for Python packages

Easily download, build, install, upgrade, and uninstall Python packages

Backported and Experimental Type Hints for Python 3.9+

Python 2 and 3 compatibility utilities

Foreign Function Interface for Python calling C code.

The PyPA recommended tool for installing Python packages.

C parser in Python

plugin and hook calling mechanisms for python

Pygments is a syntax highlighting package written in Python.

File-system specification

Composable command line interface toolkit

Classes Without Boilerplate

brain-dead simple config-ini parsing

A small Python package for determining appropriate platform-specific dirs, e.g. a `user data dir`.

Command line tool for manipulating wheel files

Reusable constraint types to use with typing.Annotated

A platform independent file lock.

A very fast and expressive template engine.

Read metadata from Python packages

Utility library for gitignore style pattern matching of file paths.

Backport of pathlib-compatible object wrapper for zip files

Runtime typing introspection tools

Read key-value pairs from a .env file and set them as environment variables

Render rich text, tables, progress bars, syntax highlighting, markdown and more to the terminal