Can't get proper version from sdist after version 7.0

[djhoese]

My projects have been using setuptools-scm for some time now and have recently started breaking for users installing the sdist .tar.gz now that setuptools-scm 7.x is getting installed. Setuptools-scm seems to be overwriting the produced satpy/version.py when the wheel is built from the sdist during pip install. The wheel ends up with a version of 0.0 in the filename while the metadata in the sdist has 0.36.0. We use setuptools_scm_git_archive to pull the information from git tags.

Here is how I'm reproducing it:

conda create -y -n test_satpy_version python=3.9 setuptools pip build satpy
conda activate test_satpy_version
conda uninstall --force -y satpy

That's the base environment. Our package has a lot of C-based dependencies so it is easier to install from conda. If we download the most recent version from PyPI and build a wheel from it...

wget "https://files.pythonhosted.org/packages/78/63/fb97b0cc15c43058cc6c2942bd9a1deb89864800d7c5ae048633226fd096/satpy-0.36.0.tar.gz#sha256=f1c201f1d53dfda27856576461079eb9d78531e21ddc055baea20cb47f114107"
tar -xzf satpy-0.36.0.tar.gz
cd satpy-0.36.0

cat satpy/version.py
# coding: utf-8
# file generated by setuptools_scm
# don't change, don't track in version control
version = '0.36.0'
version_tuple = (0, 36, 0)

python -m build -w .
# ...
Successfully built satpy-0.0-py2.py3-none-any.whl

cat satpy/version.py
# coding: utf-8
# file generated by setuptools_scm
# don't change, don't track in version control
__version__ = version = '0.0'
__version_tuple__ = version_tuple = (0, 0)

At first I thought it might be because of the hacky workaround we're using from #190 in our setup.py:

try:
    # HACK: https:/pypa/setuptools_scm/issues/190#issuecomment-351181286
    # Stop setuptools_scm from including all repository files
    import setuptools_scm.integration
    setuptools_scm.integration.find_files = lambda _: []
except ImportError:
    pass

but even if I remove that. commit the change, generate an sdist, untar the sdist, and run python -m build -w . for it I still get a wheel version of 0.0.

If I force the version of setuptools_scm in my pyproject.toml to 6.4.2 (the version before 7.x) then it works fine.

Any ideas what I'm missing?

[djhoese]

Related #727

[djhoese]

Ah looks like that fix hasn't been released yet. This looks like it is fixed when I install from github and run the command line version:

pip install git+https:/pypa/setuptools_scm.git

python -m setuptools_scm
/home/davidh/miniconda3/envs/test_satpy_version/lib/python3.9/site-packages/setuptools_scm/git.py:284: UserWarning: git archive did not support describe output
  warnings.warn("git archive did not support describe output")
0.36.1

And it left the satpy/version.py as it was. I'll close this for now and wait for the next release.