Monty Taylor 23d1a0fa08 Split out oslo.packaging.

Include logic taken from d2to1 to allow us to inject into setup.py. Combined
with ols openstack/common/setup.py code.

Change-Id: I27b341403bb8245e38f8e3c386f1a835b90b1843

2013-03-10 18:02:43 -04:00

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Introduction

oslo.packaging provides a set of default python packaging configuration and behaviors. It started off as a combination of an invasive fork of d2to1 and the openstack.common.setup module.

Behaviors

Version strings will be inferred from git. If a given revision is tagged, that's the version. If it's not, and you don't provide a version, the version will be very similar to git describe. If you do, then we'll assume that's the version you are working towards, and will generate alpha version strings based on commits since last tag and the current git sha.

requirements.txt and test-requirements.txt will be used to populate install requirements as needed.

Sphinx documentation setups are altered to generate man pages by default. They also have several pieces of information that are known to setup.py injected into the sphinx config.

Usage

oslo.packaging requires a distribution to use distribute. Your distribution must include a distutils2-like setup.cfg file, and a minimal setup.py script. The purpose is not to actually support distutils2, that's turned in to a boondoggle. However, having declarative setup is a great idea, and we can have that now if we don't care about distutils2 ever being finished.

A simple sample can be found in oslo.packaging s own setup.cfg (it uses its own machinery to install itself):

[metadata]
name = oslo.packaging
author = OpenStack Foundation
author-email = openstack-dev@lists.openstack.org
summary = OpenStack's setup automation in a reuable form
description-file = README
license = Apache-2
classifier =
    Development Status :: 4 - Beta
        Environment :: Console
        Environment :: OpenStack
        Intended Audience :: Developers
        Intended Audience :: Information Technology
        License :: OSI Approved :: Apache Software License
        Operating System :: OS Independent
        Programming Language :: Python
keywords =
    setup
    distutils
[files]
packages =
    oslo
    oslo.packaging

The minimal setup.py should look something like this:

#!/usr/bin/env python

from setuptools import setup

setup(
    setup_requires=['oslo.packaging'],
    oslo_packaging=True
)

Note that it's important to specify oslo_packaging=True or else the oslo.packaging functionality will not be enabled.

It should also work fine if additional arguments are passed to setup(), but it should be noted that they will be clobbered by any options in the setup.cfg file.

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Introduction

Behaviors

Usage

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