scikit-build-core metadata provider for dynamic versioning

DiscoverVersion/discovery.py

@@ -28,7 +28,7 @@
 from pathlib import Path
 
 _toplevel_package = __name__.split(".")[0]
-_build_systems = ["flit_core"]
+_build_systems = ["flit_core", "scikit_build_core"]
 
 # Environment variable for version override (useful in CI/CD builds)
 VERSION_OVERRIDE_ENV = "DISCOVER_VERSION"

DiscoverVersion/scikit_build_core.py

@@ -0,0 +1,97 @@
+#
+# Copyright 2026 Hannes Holey
+#
+# ### MIT license
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+#
+
+"""
+Scikit-build-core metadata provider for DiscoverVersion.
+
+This module provides version discovery integration with scikit-build-core build
+backend. To use it, add the following to your pyproject.toml:
+
+    [tool.scikit-build]
+    experimental = "true"
+    metadata.version.provider = "DiscoverVersion.scikit_build_core"
+
+"""
+
+from .discovery import (
+    CannotDiscoverVersion,
+    get_version_from_env,
+    get_version_from_git,
+    get_version_from_pkginfo,
+)
+
+__all__ = ["dynamic_metadata", "get_requires_for_dynamic_metadata"]
+
+
+def __dir__() -> list[str]:
+    return __all__
+
+
+def dynamic_metadata(
+    field: str,
+    settings: dict[str, object] | None = None,
+) -> str:
+    # this is a classic implementation, waiting for the release of
+    # vcs-versioning and an improved public interface
+
+    if field != "version":
+        msg = "Only the 'version' field is supported"
+        raise ValueError(msg)
+
+    if settings:
+        msg = "No inline configuration is supported"
+        raise ValueError(msg)
+
+    version = None
+
+    # Check environment variable override first (highest priority)
+    version = get_version_from_env()
+
+    # Try PKG-INFO (for sdist builds)
+    if version is None:
+        try:
+            version = get_version_from_pkginfo()
+        except CannotDiscoverVersion:
+            pass
+
+    # Try git
+    if version is None:
+        try:
+            import os
+            version = get_version_from_git(os.getcwd())
+        except CannotDiscoverVersion:
+            pass
+
+    if version is None:
+        raise CannotDiscoverVersion(
+            "Could not discover version from environment, PKG-INFO, or git"
+        )
+
+    return version
+
+
+def get_requires_for_dynamic_metadata(
+    _settings: dict[str, object] | None = None,
+) -> list[str]:
+    return ["DiscoverVersion"]

test/test_version_discovery.py

@@ -33,7 +33,7 @@
 from DiscoverVersion import __version__, get_version
 
 
-_current_version = "0.3.2"
+_current_version = "0.4.0"
 
 
 def test_version_discovery():