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Original author(s) Phillip J. Eby
Developer(s) Jason R. Coombs
Stable release 5.4.1 / July 6, 2014; 9 months ago (2014-07-06)
Written in Python
Operating system Cross-platform
Type Package manager
License PSF or ZPL

Setuptools is a package development process library designed to facilitate packaging Python projects by enhancing the Python standard library distutils (distribution utilities). It includes:

  • Python package and module definitions
  • Distribution package metadata
  • Test hooks
  • Project installation
  • Platform-specific details
  • Python 3 support


In 2013, Distribute, a fork of Setuptools, was merged back into Setuptools 0.7.

Package format[edit]

"Python eggs" redirects here. For eggs laid by snakes, see Snake § Reproduction.

Python Eggs are a way of bundling additional information with a Python project, that allows the project's dependencies to be checked and satisfied at runtime, as well as allowing projects to provide plugins for other projects.

"Eggs are to Pythons as Jars are to Java..."

Eggs are planned to be replaced by Wheels in the near future.[1]

Package manager[edit]

EasyInstall is a package manager for Python that provides a standard format for distributing Python programs and libraries (based on the Python Eggs format). EasyInstall is a module bundled with Setuptools.[2] It is analogous to RubyGems for Ruby.

EasyInstall is not a fully fledged package manager. It cannot list local packages nor update them all. Pip and Python Package Manager (PyPM) are Python applications designed to fulfill a similar role as EasyInstall. The Distribute fork was created specifically due to the lack of progress in EasyInstall development.[3]

By default, EasyInstall looks in the Python Package Index (PyPI) for the desired packages and uses the metadata there to download and install the package and its dependencies.

See also[edit]


External links[edit]