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Python Packaging User Guide
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Python Packaging User Guide
Overview of Python Packaging
The Packaging Flow
Tutorials
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Installing Packages
Managing Application Dependencies
Packaging Python Projects
Guides
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Installation
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Install packages in a virtual environment using pip and venv
Installing packages using virtualenv
Installing stand alone command line tools
Installing pip/setuptools/wheel with Linux Package Managers
Installing scientific packages
Building and Publishing
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Writing your
pyproject.toml
Packaging and distributing projects
Dropping support for older Python versions
Packaging binary extensions
Packaging namespace packages
Creating and packaging command-line tools
Creating and discovering plugins
Using TestPyPI
Making a PyPI-friendly README
Publishing package distribution releases using GitHub Actions CI/CD workflows
How to modernize a
setup.py
based project?
Licensing examples and user scenarios
Hosting
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Package index mirrors and caches
Hosting your own simple repository
Tool recommendations
Analyzing PyPI package downloads
Discussions
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Versioning
Deploying Python applications
pip vs easy_install
install_requires vs requirements files
Distribution package vs. import package
Package Formats
src layout vs flat layout
Is
setup.py
deprecated?
Single-sourcing the Project Version
Supporting downstream packaging
PyPA specifications
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Package Distribution Metadata
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Names and normalization
Core metadata specifications
Version specifiers
Dependency specifiers
pyproject.toml
specification
Dependency Groups
Inline script metadata
Platform compatibility tags
Well-known Project URLs in Metadata
glob
patterns
License Expression
Package Installation Metadata
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Recording installed projects
Entry points specification
Recording the Direct URL Origin of installed distributions
Direct URL Data Structure
Python Virtual Environments
Externally Managed Environments
Package Distribution File Formats
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Source distribution format
Binary distribution format
Package Index Interfaces
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The
.pypirc
file
Simple repository API
File Yanking
Index hosted attestations
Project Status Markers
Python Description Formats
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build-details.json
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v1.0
Reproducible Environments
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pylock.toml
Specification
PyPA schemas
Project Summaries
Glossary
How to Get Support
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Python Description Formats
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Last updated on May 21, 2026