fix #577: intoduce explicit short node

CHANGELOG.md

@@ -32,6 +32,7 @@
 - migrate git describe command to new scm config
 - add support for failing on missing submodules
 - fix #279: expand errors when scm can be found upwards and relative_to wasnt used
+- fix #577: introduce explicit scmversion node and short node
 
 ## v8.3.1
 

src/setuptools_scm/_integration/dump_version.py

@@ -6,29 +6,12 @@
 
 from .. import _types as _t
 from .._log import log as parent_log
-from .._node_utils import _format_node_for_output
 from .._version_cls import _version_as_tuple
 from ..version import ScmVersion
 
 log = parent_log.getChild("dump_version")
 
 
-class _TemplateScmVersion:
-    """Wrapper for ScmVersion that formats node for template output."""
-
-    def __init__(self, scm_version: ScmVersion) -> None:
-        self._scm_version = scm_version
-
-    def __getattr__(self, name: str) -> object:
-        # Delegate all attribute access to the wrapped ScmVersion
-        return getattr(self._scm_version, name)
-
-    @property
-    def node(self) -> str | None:
-        """Return the node formatted for output."""
-        return _format_node_for_output(self._scm_version.node)
-
-
 TEMPLATES = {
     ".py": """\
 # file generated by setuptools-scm
@@ -64,7 +47,7 @@ def node(self) -> str | None:
 __version__ = version = {version!r}
 __version_tuple__ = version_tuple = {version_tuple!r}
 
-__commit_id__ = commit_id = {scm_version.node!r}
+__commit_id__ = commit_id = {scm_version.short_node!r}
 """,
     ".txt": "{version}",
 }
@@ -119,12 +102,10 @@ def write_version_to_path(
     log.debug("dump %s into %s", version, target)
     version_tuple = _version_as_tuple(version)
     if scm_version is not None:
-        # Wrap ScmVersion to provide formatted node for templates
-        template_scm_version = _TemplateScmVersion(scm_version)
         content = final_template.format(
             version=version,
             version_tuple=version_tuple,
-            scm_version=template_scm_version,
+            scm_version=scm_version,
         )
     else:
         content = final_template.format(version=version, version_tuple=version_tuple)

src/setuptools_scm/version.py

@@ -159,6 +159,11 @@ def exact(self) -> bool:
         """returns true checked out exactly on a tag and no local changes apply"""
         return self.distance == 0 and not self.dirty
 
+    @property
+    def short_node(self) -> str | None:
+        """Return the node formatted for output."""
+        return _format_node_for_output(self.node)
+
     def __repr__(self) -> str:
         return (
             f"<ScmVersion {self.tag} dist={self.distance} "

testing/test_basic_api.py

@@ -23,7 +23,7 @@
 template = """\
 __version__ = version = {version!r}
 __version_tuple__ = version_tuple = {version_tuple!r}
-__sha__ = {scm_version.node!r}
+__sha__ = {scm_version.short_node!r}
 """
 
 

testing/test_integration.py

@@ -216,7 +216,7 @@ def test_pretend_metadata_with_version(
 major = {version_tuple[0]}
 minor = {version_tuple[1]}
 patch = {version_tuple[2]}
-commit_hash = '{scm_version.node}'
+commit_hash = '{scm_version.short_node}'
 num_commit = {scm_version.distance}
 """  # noqa: RUF027
     # Use write_to with template to create version file
@@ -294,7 +294,7 @@ def test_pretend_metadata_with_scm_version(
     # This is a template string, not an f-string - used by setuptools-scm templating
     version_file_content = """
 version = '{version}'
-commit_hash = '{scm_version.node}'
+commit_hash = '{scm_version.short_node}'
 num_commit = {scm_version.distance}
 """  # noqa: RUF027
     version = wd.get_version(