Introduction

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PBR is a library that injects some useful and sensible default behaviors into your setuptools run. It started off life as the chunks of code that were copied between all of the OpenStack_ projects. Around the time that OpenStack hit 18 different projects each with at least 3 active branches, it seemed like a good time to make that code into a proper reusable library.

PBR is only mildly configurable. The basic idea is that there's a decent way to run things and if you do, you should reap the rewards, because then it's simple and repeatable. If you want to do things differently, cool! But you've already got the power of Python at your fingertips, so you don't really need PBR.

PBR also aims to maintain a stable base for packaging. While we occasionally deprecate features, we do our best to avoid removing them unless absolutely necessary. This is important since while projects often do a good job of constraining their runtime dependencies they often don't do so for their install time dependencies. By limiting feature removals, we ensure the long tail of older software continues to be installable with recent versions of PBR automatically installed.

PBR builds on top of the work that d2to1_ started to provide for declarative configuration. d2to1_ is itself an implementation of the ideas behind distutils2. Although distutils2 is long-since abandoned, declarative config is still a great idea and it has since been adopted elsewhere, starting with setuptools' own support for setup.cfg files and extending to the pyproject.toml file format introduced in PEP 517_. PBR attempts to support these changes as they are introduced.

• License: Apache License, Version 2.0
• Documentation: https://docs.openstack.org/pbr/latest/
• Source: https://opendev.org/openstack/pbr
• Bugs: https://bugs.launchpad.net/pbr
• Release Notes: https://docs.openstack.org/pbr/latest/user/releasenotes.html
• ChangeLog: https://docs.openstack.org/pbr/latest/user/history.html

.. _d2to1: https://pypi.python.org/pypi/d2to1 .. _distutils2: https://pypi.python.org/pypi/Distutils2 .. _OpenStack: https://www.openstack.org/ .. _PEP 517: https://peps.python.org/pep-0517/