License missing on PyPI

Which version of Python is the problem with?

3.10

What semver version are you using?

3.0.3

What OS are you using? (Add more in the Environment section)

Linux

Situation

Looks like on PyPI, the new release does not ship properly the license type as part of its metadata:

https://pypi.org/project/semver/3.0.3/

It might be necessary to pass it as a classifier or explicitly set its input in the license entry. See other BSD-3 type packages:

https://pypi.org/project/scikit-bio/0.6.3/
https://github.com/scikit-bio/scikit-bio/blob/69468b98be09885519970d1d53510c1a83495750/setup.py#L121
https://github.com/scikit-bio/scikit-bio/blob/69468b98be09885519970d1d53510c1a83495750/setup.py#L222

Some tools are verifying compliance for Python package usage based on the license metadata shipped for a certain package, making this information critical for continuing the usage of the semver package.

How to reproduce

No need

Expected behavior

It should show up as:

in PyPI and not as:

Environment

No response

Thank you for your issue.

I've noticed that some things seems not to work as I switched to a uv workflow and also disabled the classifier. Probably that was the culprit. Need to investigate it further.

Might have to do it this way now? (based on https://peps.python.org/pep-0639/#project-source-metadata). license requires an SPDX identifier (in this case https://spdx.org/licenses/BSD-3-Clause.html) and you can pass the license-file now as well.

[project]
license= "BSD-3-Clause"
license-file= "LICENSE.txt"

Thanks for the quick response in any case!

Thanks, I've tried that out, but it didn't work with uv and the upload to (Test)PyPI failed. The error message was about a mismatch in metadata version (2.2 versus 2.4).

To my (limited) understanding, it was also that PEP-0639 was partial(?) implemented in setuptools which caused this issue.

For the time being, I think it's related to this diff which I disabled:

-    # "License :: OSI Approved :: BSD License",
+    "License :: OSI Approved :: BSD License",

If I use your above change with the license and license-file in pyproject.toml and run run tox r -e prepare-dist in Python 3.11, I get this error message:

$ uv venv -p 3.11
$ source .venv/bin/activate
$ tox r -e prepare-dist
[...]
ValueError: invalid pyproject.toml config: `project`.
configuration error: `project` must not contain {'license-file', 'licence'} properties

ERROR Backend subprocess exited when trying to invoke get_requires_for_build_sdist
prepare-dist: exit 1 (0.95 seconds) /home/toms/repos/GH/tomschr/python-semver> pyproject-build pid=14213
  prepare-dist: FAIL code 1 (22.61=setup[21.66]+cmd[0.95] seconds)
  evaluation failed :( (23.04 seconds)

Yeah.. looks like the support for pep 639 might be halfway through the entire ecosystem making it not possible to adapt yet (probably?). Sorry the suggestion didn't work out and thanks for trying it out :)

Fix python-semver#457: Re-enable Trove license identifier

Fix #457: Re-enable Trove license identifier

Yeah.. looks like the support for pep 639 might be halfway through the entire ecosystem making it not possible to adapt yet (probably?). Sorry the suggestion didn't work out and thanks for trying it out :)

No problem. 🙂 I appreciate your help! 👍

Found the issue for setuptools: pypa/setuptools#4759

@RobPasMue

@RobPasMue If you look at https://test.pypi.org/project/semver/3.0.4.dev1/, it shows as

Meta
License: BSD License (Copyright (c) 2013, Konstantine Rybnikov
All rights reserved. Redistribution and use in source and ...)

I think that should be sufficient.

@tomschr

Yep that works! Thanks @tomschr !

Fix #459: Fix 3.0.3

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License missing on PyPI #457

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License missing on PyPI #457

Description

Which version of Python is the problem with?

What semver version are you using?

What OS are you using? (Add more in the Environment section)

Situation

How to reproduce

Expected behavior

Environment

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tomschr commented on Jan 20, 2025

RobPasMue commented on Jan 20, 2025

tomschr commented on Jan 20, 2025

tomschr commented on Jan 20, 2025

RobPasMue commented on Jan 20, 2025

tomschr commented on Jan 20, 2025

tomschr commented on Jan 20, 2025

tomschr commented on Jan 22, 2025

RobPasMue commented on Jan 23, 2025

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