Support getting the current version from hatchling

Author: jedie

README.md

@@ -350,6 +350,7 @@ See also git tags: https://github.com/jedie/manageprojects/tags
 [comment]: <> (✂✂✂ auto generated history start ✂✂✂)
 
 * [v0.21.3](https://github.com/jedie/manageprojects/compare/v0.21.2...v0.21.3)
+  * 2025-04-22 - Support getting the current version from hatchling
   * 2025-04-22 - replace setuptools with hatchling
 * [v0.21.2](https://github.com/jedie/manageprojects/compare/v0.21.1...v0.21.2)
   * 2025-03-11 - Fix nox CLI call

manageprojects/tests/test_utilities_publish.py

@@ -1,5 +1,6 @@
 import inspect
 import sys
+import tomllib
 from pathlib import Path
 from unittest import TestCase
 from unittest.mock import patch
@@ -18,17 +19,12 @@
     build,
     clean_version,
     get_pyproject_toml_version,
+    hatchling_dynamic_version,
     setuptools_dynamic_version,
 )
 from manageprojects.utilities.temp_path import TemporaryDirectory
 
 
-try:
-    import tomllib  # New in Python 3.11
-except ImportError:
-    import tomli as tomllib
-
-
 class PublishTestCase(TestCase):
     def test_build(self):
         def return_callback(popenargs, args, kwargs):
@@ -209,3 +205,14 @@ def return_callback(popenargs, args, kwargs):
                     ['.../git', 'push', '--tags'],
                 ],
             )
+
+    def test_hatchling_dynamic_version(self):
+        pyproject_toml_path = PACKAGE_ROOT / 'pyproject.toml'
+        pyproject_toml = tomllib.loads(pyproject_toml_path.read_text())
+
+        version = hatchling_dynamic_version(
+            pyproject_toml=pyproject_toml,
+            pyproject_toml_path=PACKAGE_ROOT / 'pyproject.toml',
+        )
+        self.assertIsInstance(version, Version)
+        self.assertEqual(version, Version(manageprojects.__version__))

manageprojects/utilities/publish.py

@@ -160,6 +160,24 @@ def setuptools_dynamic_version(*, pyproject_toml: dict, pyproject_toml_path: Pat
                 return clean_version(ver_str)
 
 
+def hatchling_dynamic_version(*, pyproject_toml: dict, pyproject_toml_path: Path) -> Version | None:
+    dynamic = dict_get(pyproject_toml, 'project', 'dynamic')
+    if dynamic and 'version' in dynamic:
+        if dict_get(pyproject_toml, 'tool', 'hatch', 'version', 'path'):
+            # Project used "dynamic metadata" from hatchling for the version
+
+            from hatchling.metadata.core import ProjectMetadata
+            from hatchling.plugin.manager import PluginManager
+
+            plugin_manager = PluginManager()
+            metadata = ProjectMetadata(root=pyproject_toml_path.parent, plugin_manager=plugin_manager)
+            version = metadata.hatch.version
+            source = version.source
+            version_data = source.get_version_data()
+            if ver_str := version_data.get('version'):
+                return clean_version(ver_str)
+
+
 def get_pyproject_toml_version(package_path: Path) -> Version | None:
     pyproject_toml_path = Path(package_path, 'pyproject.toml')
     assert_is_file(pyproject_toml_path)
@@ -173,7 +191,13 @@ def get_pyproject_toml_version(package_path: Path) -> Version | None:
     if ver_str:
         return clean_version(ver_str)
 
-    return setuptools_dynamic_version(pyproject_toml=pyproject_toml, pyproject_toml_path=pyproject_toml_path)
+    if version := hatchling_dynamic_version(pyproject_toml=pyproject_toml, pyproject_toml_path=pyproject_toml_path):
+        return version
+
+    if version := setuptools_dynamic_version(pyproject_toml=pyproject_toml, pyproject_toml_path=pyproject_toml_path):
+        return version
+
+    return None
 
 
 def check_version(*, module, package_path: Path, distribution_name: str | None = None) -> Version: