A paste.script template following gocept Python package conventions.
Project description
gocept.package
This package generates Python packages following conventions used at gocept.
It consists of two parts: a paster template that creates the boilerplate for a Python package, and a Python module that is used to configure Sphinx, along with the necessary package dependencies.
The package works with Python versions 2.5 through 2.7.
Usage
To make the paster template available, install gocept.package where paster can find it. Then run paster:
$ paster create --template gocept-package NAMESPACE.PROJECTNAME
This will generate the boilerplate for an egg distribution, complete with zc.buildout configuration, the skeleton of Sphinx package documentation, and a Mercurial repository initialised. The buildout configuration is targeted at development, so it will install a testrunner at bin/test and a documentation builder at bin/doc.
Package contents
This is to explain the purpose of the generated files and directories, along with advice on which files to edit when. Many files will not need to be edited at all.
Python distribution
- setup.py:
The package definition and metadata. Update this file at least whenever the package’s version number, dependencies, entry points change.
- src:
The source code tree of the package. Don’t modify the namespace package’s __init__.py file lest other packages in the same namespace cannot be imported.
Mercurial repository
- .hg:
The Mercurial repository is already initialised when the package has been created. The generated files have not been committed yet.
- .hg/hgrc:
Repository configuration that points to the future URL of the package in gocept’s public Mercurial hosting. Edit this (or use hg persona) if you need to set a different author for this package than your default.
- .hgignore:
Files and directories to be ignored by Mercurial. This includes local configuration and stuff expected to be generated by buildout, documentation builds or package releases. It does not include files generated by Python (such as *.pyc), distribute (*.egg-info), or other more general tools like your editor, which are not specific to this project. Such patterns should be on your default Mercurial ignore list.
Development buildout
- bootstrap.py:
Creates the bin/buildout script. Run this with the same Python interpreter that buildout should use. No need to ever edit this file.
- buildout.cfg:
A working buildout configuration that creates a test runner and a documentation builder for the package. The package itself is included as a develop egg and buildout is configured to use only pinned versions of any other packages. Edit this to configure the package’s official development buildout but put local customisations in local.cfg. Version pinnings go in versions/versions.cfg while this file’s versions section should only undo pinnings of packages that are declared develop eggs by this same file’s buildout section.
- local.cfg:
Local customisations of the buildout configuration that are of no interest to other developers. This is being ignored by Mercurial. If you change this file, run bin/buildout -c local.cfg from then on. While this may sound cumbersome at first, keeping the non-local configuration in buildout.cfg and under version control is important for use cases such as testing the package on a continuous-integration server.
- versions/versions.cfg:
Version pinning for any packages used by the buildout that are not part of the Zope toolkit. The version of gocept.package which is required for building the documentation is pinned to the same version that created the package files. When upgrading gocept.package later, this version pinning needs to be updated along with any files that have changed in the package template between the versions. Edit this file to pin the versions of any eggs required by your package or your buildout.
- versions/ztk-versions-X.Y.Z.cfg:
A fixed release of the Zope toolkit, included in our version pinnings. Keeping a local copy of this allows building the buildout without network access. Do not edit this file.
General package documentation
There are a number of text files to be found in the package’s top-level directory that contain standard pieces of the documentation and are therefore expected in that place and under their particular names, and which need to be accessible independent of Sphinx. These files need to be valid restructured text as they are being processed by Sphinx when building the full documentation, except for the copyright notice and license text which are included verbatim.
- README.txt:
An overview of the package’s purpose, contents and usage which will be part of its PyPI page and of the documentation’s index page. This should be kept up-to-date with the package contents at all times.
- CHANGES.txt:
The change log that needs to be updated with any changes to the package that are relevant to the users of the package. The file’s format is understood by zest.releaser and the current version of it (i.e. the “tip” version in the public Mercurial repository) will be pointed to from the PyPI page and the built package documentation.
- HACKING.txt:
Some pointers about the package and its authors, such as the latter’s e-mail address and the URLs of the package’s documentation, PyPI page, issue tracker and source code as well as the current log.
- COPYRIGHT.txt:
Copyright information for the package: copyright holder including the copyright years and some advice about the license used, which is the Zope public license, version 2.1 by default. Edit this at least to update the years.
- LICENSE.txt:
A copy of the official text of the license used. Do not edit this except to exchange it for a different license.
Full documentation, built using Sphinx
- doc:
Everything that is only relevant to the Sphinx-generated documentation. We use the suffix .txt for Sphinx input files. While a number of conventions exist for the contents of the doc directory, nothing bad will happen to the rest of the package if you modify it freely; just make sure it remains valid Sphinx input.
- doc/conf.py:
Sphinx configuration. Basically all of the configuration values follow our conventions and are therefore imported from gocept.package, so you must keep the import and invocation of gocept.package.sphinxconf intact. You’ll have to edit this file if you want to change something about the metadata or the appearance of the documentation just for this package. Updates to our conventions for Sphinx-generated documentation will be acquired by updating gocept.package.
- doc/index.txt:
The front page of the documentation. It includes the package overview from the top-level README.txt file and a table of contents pointing to the sections of the full documentation. These include generated API documentation, some meta information about the package and the change log. Edit this file if you want to add top-level sections such as a narrative package description.
- doc/api.txt:
The root document of the generated API documentation. The API is documented semi-automatically in that you have to list in this file, under the autosummary directive, all the modules to be documented, which happens automatically from then on. A commented-out example module listing is included.
- doc/about.txt:
Meta information about the package, combining the top-level files HACKING.txt, COPYRIGHT.txt, and LICENSE.txt. You will not need to edit this file.
- doc/changes.txt:
A stub to include the top-level file CHANGES.txt. No need to edit this file.
Building the full documentation
The generated buildout configuration installs a script at bin/doc that calls Sphinx to build the documentation. To run this script, your current working directory must be the package root. The script will put the built documentation into build/doc/ (relative to the package’s top-level directory). Options passed to bin/doc will be passed on to the underlying sphinx-build command, but note that positional arguments won’t work.
Sphinx configuration values
You can override the defaults from gocept.package by simply setting the respective variables in your conf.py. The invocation of gocept.package.sphinxconf.set_defaults needs to happen at the end:
source_suffix = '.foo' import gocept.package.sphinxconf gocept.package.sphinxconf.set_defaults()
Conversely, sphinxconf tries to use variables from conf.py to calculate values. If these variables are specified, that must also be done before set_defaults is called. Currently, there is only one such variable:
- _year_started:
Optional value for the year the project was started. This defaults to the current year (at the time of documentation building), but if it is specified and different from the current year, it is used to construct a copyright notice like “2001-2012 Author”.
Developing gocept.package
- Author:
- PyPI page:
- Issue tracker:
- Source code:
- Current change log:
https://code.gocept.com/hg/public/gocept.package/raw-file/tip/CHANGES.txt
Change log for gocept.package
1.0 (2012-02-24)
initial release
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