Update sgkit version to follow bio2zarr

Author: tomwhite

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools >= 41.2", "setuptools_scm"]
+requires = ["setuptools >= 69", "setuptools_scm[toml] >= 8"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -63,6 +63,9 @@ packages = ["sgkit"]
 zip-safe = false            # https://mypy.readthedocs.io/en/latest/installed_packages.html
 include-package-data = true
 
+[tool.setuptools_scm]
+version_file = "sgkit/_version.py"
+
 [tool.coverage.report]
 fail_under = 100
 

sgkit/__init__.py

@@ -1,5 +1,3 @@
-from importlib.metadata import PackageNotFoundError, version  # type: ignore[import]
-
 from .display import display_genotypes, display_pedigree
 from .distance.api import pairwise_distance
 from .io.dataset import load_dataset, save_dataset
@@ -67,10 +65,13 @@
     window_by_variant,
 )
 
+__version__ = "unknown"
 try:
-    __version__ = version(__name__)
-except PackageNotFoundError:  # pragma: no cover
-    __version__ = "unknown"
+    from . import _version
+
+    __version__ = _version.version  # pragma: nocover
+except ImportError:  # pragma: nocover
+    pass
 
 __all__ = [
     "DIM_ALLELE",