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Hatch plugin for ci system versioning

Project description

hatch-ci

PyPI version Python versions Build Coverage

code style - black License - MIT


This provides a plugin to Hatch leveraging a CI/CD system (github at the moment) to deliver packages to PyPi.

NOTE: this is heavily inspired from hatch-vcs

Table of Contents

Global dependency

Ensure hatch-ci is defined within the build-system.requires field in your pyproject.toml file.

[build-system]
requires = ["hatchling", "hatch-ci"]
build-backend = "hatchling.build"

Version source

The version source plugin name is vcs.

  • pyproject.toml

    [tool.hatch.version]
    source = "ci"
    
  • hatch.toml

    [version]
    source = "ci"
    

Version source options

Option Type Default Description
tag-pattern str see code A regular expression used to extract the version part from VCS tags. The pattern needs to contain either a single match group, or a group named version, that captures the actual version information.
fallback-version str The version that will be used if no other method for detecting the version is successful. If not specified, unsuccessful version detection will raise an error.
raw-options dict A table of setuptools-scm parameters that will override any of the options listed above. The write_to and write_to_template parameters are ignored.

Version source environment variables

  • SETUPTOOLS_SCM_PRETEND_VERSION: When defined and not empty, it's used as the primary source for the version, in which case it will be an unparsed string.

Build hook

The build hook plugin name is vcs.

  • pyproject.toml

    [tool.hatch.build.hooks.vcs]
    version-file = "_version.py"
    
  • hatch.toml

    [build.hooks.vcs]
    version-file = "_version.py"
    

Building or installing when the latest tag is v1.2.3 will generate the file

  • _version.py

    # coding: utf-8
    # file generated by setuptools_scm
    # don't change, don't track in version control
    __version__ = version = '1.2.3'
    __version_tuple__ = version_tuple = (1, 2, 3)
    

Build hook options

Option Type Default Description
version-file str REQUIRED The relative path to the file that gets updated with the current version.
template str The template used to overwrite the version-file. See the code for the default template for each file extension.

Editable installs

The version file is only updated upon install or build. Thus the version number in an editable install (Hatch's dev mode) will be incorrect if the version changes and the project is not rebuilt. An unsupported workaround for keeping the version number up-to-date can be found at hatch-vcs-footgun-example.

Metadata hook

Note: only Git is supported

The metadata hook plugin is for inserting VCS data (currently the commit hash) into metadata fields other than version. Its name is vcs.

  • pyproject.toml

    [tool.hatch.metadata.hooks.vcs]
    
  • hatch.toml

    [metadata.hooks.vcs]
    

Metadata hook options

URLs

The urls option is equivalent to project.urls except that each URL supports context formatting with the following fields:

  • commit_hash - the latest commit hash

Be sure to add urls to project.dynamic:

  • pyproject.toml

    [project]
    dynamic = [
      "urls",
    ]
    

Example

  • pyproject.toml

    [tool.hatch.metadata.hooks.vcs.urls]
    Homepage = "https://www.example.com"
    source_archive = "https://github.com/org/repo/archive/{commit_hash}.zip"
    
  • hatch.toml

    [metadata.hooks.vcs.urls]
    Homepage = "https://www.example.com"
    source_archive = "https://github.com/org/repo/archive/{commit_hash}.zip"
    

Migration tips

If you are migrating from setuptools, you may want access to the version without performing a full build.

By default, python -m setuptools_scm will display the version and perform any side-effects like writing to a file. hatch separates these functions.

Display version

hatch version will print the version to the terminal without modifying the source directory.

$ hatch version
23.0.0.dev17+g462372ba

Write version to file

If version-file is defined, you can write it to the source directory with the build command, using the --hooks-only flag to modify the source tree but skip creation of sdists or wheels.

$ hatch build --hooks-only
$ cat package/_version.py
# file generated by setuptools_scm
# don't change, don't track in version control
__version__ = version = '23.0.0.dev17+g462372ba'
__version_tuple__ = version_tuple = (23, 0, 0, 'dev17', 'g462372ba')

License

hatch-vcs is distributed under the terms of the MIT license.

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