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Tool to build Python packages with built-in intuitive versioning mechanism

Project description

Buildver

Tool to build Python packages with built-in intuitive versioning mechanism

This project is part of the Pyrustic Open Ecosystem.

Installation . Latest . Documentation

Table of contents

Overview

Creating distribution packages and managing version numbers are two related tasks that should be done intelligently to avoid confusion regarding version numbers.

Buildver defines a standard versioning mechanism and automates the close relationship between versioning and distribution package creation while giving the developer full control.

Buildver is a Python package that comes as a command-line tool with an API.

This tool saves me headaches when I have to release a new version of one of my many projects.

Fun fact: Buildver itself is built with... Buildver

Set a new version

You can change the current version of your Python project like this: buildver set <new-version>.

Here, <new-version> is either a canonical version (e.g., 3.0.1) or a version modifier (e.g., +rev).

$ cd /path/to/project
$ buildver set +rev
VERSION file updated from 0.0.1 to 0.0.2

$ buildver set 0.0.3
VERSION file updated from 0.0.2 to 0.0.3

Version modifiers

Use +maj, +min, and +rev to increment the current version of your project.

These version modifiers increment the major, minor, and revision numbers respectively.

Current Modifier Next
1.0.0 +rev 1.0.1
1.0.1 +min 1.1.0
1.1.0 +maj 2.0.0

Version width

People usually limit their version scheme to 3 numbers, from left to right: the major, minor, and revision number. Buildver supports any version scheme as long as integers and dots are used.

By default, Buildver works with the major.minor.revision scheme, but you can expand your version width, then Buildver will update this version according to your scheme.

For this, Buildver follows simple rules:

  • the major is the first number of a version
  • the minor is the second number of a version
  • the revision is the last number of a version

Build a project

To build a Python distribution package with Buildver, simply run buildver build:

$ cd /path/to/demo
$ buildver build
building v0.0.1 ...
Successfully built 'demo' v0.0.1 !
VERSION file updated from 0.0.1 to 0.0.2

The above command will build a distribution package, update a build_report file then increment the revision number of the project version.

If you only want to build a distribution package, add then pass to the previous command:

$ cd /path/to/demo
$ buildver build then pass
building v0.0.1 ...
Successfully built 'demo' v0.0.1 !
VERSION file not updated

Check a project

Get some basic information about your project with the check command:

$ cd /path/to/demo
$ buildver check
demo v0.0.2 (source)
.whl v0.0.1 (package) built 7 secs ago

API

Buildver exposes an API (the same used by the CLI) with which you can interact programmatically in Python.

import buildver

PROJECT_DIR = "/path/to/project"

# Set a new version
buildver.set_version("2.0.0", PROJECT_DIR)

# Get the current version
cur_version = buildver.get_version(PROJECT_DIR)  # returns "2.0.0"

# Increment the minor number with the '+min' version modifier
new_version = buildver.interpret_version(cur_version, "+min")  # returns "2.1.0"
buildver.set_version(new_version, PROJECT_DIR)

# Build the project
success, errors = buildver.build_project(PROJECT_DIR)

if success:
    # Update the build_report file
    buildver.update_build_report(new_version, PROJECT_DIR)

# Get the latest build info
version, timestamp = buildver.get_latest_build(PROJECT_DIR)

Read the modules documentation.

Under the hood

To build a .whl Python distribution package, Buildver uses Subrun to run the setup.py module on the root of a Python project.

The project version is stored in a VERSION file at the root. This file is referenced in setup.cfg. So you can safely read and write the VERSION file. Obviously, it is recommended to use Buildver to change the version of the project.

The build_report file is located in $PROJECT_DIR/.pyrustic/buildver.

Each line of this file can be split into two parts: the version on the left and the timestamp on the right. The first line represents the latest build.

Related projects

Following are some related projects.

Setupinit

Buildver needs your project to follow a standard Python project structure in order to build it. Setupinit is a command line tool to properly initialize your Python project.

Discover Setupinit !

Backstage

Backstage is a language-agnostic command-line tool that allows the developer to define, coordinate and use the various resources at his disposal to create and manage a software project.

Backstage's default behavior involves using Buildver.

Discover Backstage !

Installation

Buildver is cross platform and versions under 1.0.0 will be considered Beta at best. It is built on Ubuntu with Python 3.8 and should work on Python 3.5 or newer.

For the first time

$ pip install buildver

Upgrade

$ pip install buildver --upgrade --upgrade-strategy eager



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