Excerpt from BUILD file

python_distribution(
    name="dist",
    dependencies=[":readme", ":pyproject", ":source", ":manifest"],
    provides=python_artifact(
        name="my-project",
        version="0.0.1",
    ),
    generate_setup=False,
)

Except from

pyproject.toml

file

[build-system]
requires = ["setuptools", "setuptools-scm", "wheel"]
build-backend = "setuptools.build_meta"

[project]
classifiers = [
    "Development Status :: 5 - Production/Stable",
    "Environment :: Console",
    "Intended Audience :: Developers",
    "Intended Audience :: Science/Research",
    "Operating System :: POSIX :: Linux",
    "Programming Language :: Python :: 3.9",
    "Topic :: Scientific/Engineering",
]
name = "my-project"
version = "2024.3"

When I try to

pants package path/to/BUILD:dist

the generated package has the version

2024.3

instead of

0.0.1

from the BUILD file. If I try to remove the

version

field from the

pyproject.toml

file the command complains

ValueError: invalid pyproject.toml config: `project`.
configuration error: `project` must contain ['version'] properties

Eventually, I would like to do some sort of custom automatically generated version numbers so I don’t want to fix them in the

pyproject.toml

file.

the

project.toml

file:

[project]
name = "oxygen"
dependencies = ["click"]
dynamic = ["version"]


[tool.setuptools.dynamic]
version = { "file" = "VERSION" }

[build-system]
requires = ["setuptools>=64", "setuptools_scm>=8", "wheel"]
build-backend = "setuptools.build_meta"

And the BUILD file:

python_sources(name="lib", sources=["oxygen/**/*.py"])
python_requirements(source="pyproject.toml")

# pyproject.toml based distribution
resource(name="pyproject", source="pyproject.toml")

vcs_version(
    name="version",
    generate_to=str(build_file_dir() / "VERSION"),
    template="{version}",
    version_scheme="guess-next-dev",
    local_scheme="no-local-version",
)

python_distribution(
    name="dist",
    dependencies=[":pyproject", ":lib", ":version"],
    provides=python_artifact(),
    generate_setup=False,
)

This will smartly pull version from Git

Hey @important-hydrogen-79200, a follow up question - this generates a package with version

0.1.dev64

. How can I specify the base version to bump from, say I wanted it to be

5.1

or something when I am on the

main

branch and

5.1.dev64

when I am on

dev

branch? Am I asking too much of setuptools-scm + the vcs_version target or is this possible? The setuptools-scm documentation does not clearly specify this.

This is all going to be rethought in the New Python Backend