Switch version handling to use versioningit

.github/workflows/ci.yaml

@@ -37,6 +37,8 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
 
     - name: Set up conda environment
       uses: mamba-org/setup-micromamba@v2

devtools/conda-envs/dev.yaml

@@ -5,7 +5,7 @@ channels:
 dependencies:
   - python
   - pip
-  - versioneer-518
+  - versioningit
 
   - openff-toolkit
   - openff-interchange =0.4

pyproject.toml

@@ -1,13 +1,11 @@
 [build-system]
-requires = ["setuptools", "versioneer[toml]==0.29"]
+requires = [
+    "setuptools",
+    "versioningit",
+]
 build-backend = "setuptools.build_meta"
 
-[tool.versioneer]
-VCS = "git"
-style = "pep440"
-versionfile_source = "yammbs/_version.py"
-versionfile_build = "yammbs/_version.py"
-tag_prefix = "v"
+[tool.versioningit]
 
 [tool.ruff]
 line-length = 119

setup.cfg

@@ -27,9 +27,7 @@ exclude =
 [coverage:run]
 omit =
     yammbs/_tests/*
-    versioneer.py
     setup.py
-    yammbs/_version.py
 
 [coverage:report]
 exclude_lines =
@@ -46,13 +44,6 @@ per-file-ignores =
 [isort]
 profile = black
 
-[versioneer]
-VCS = git
-style = pep440
-versionfile_source = yammbs/_version.py
-versionfile_build = yammbs/_version.py
-tag_prefix = 'v'
-
 [mypy]
 plugins = pydantic.mypy,sqlmypy
 warn_unused_configs = True

yammbs/__init__.py

@@ -1,6 +1,7 @@
+from importlib.metadata import version
+
 from yammbs._store import MoleculeStore
-from yammbs._version import get_versions
 
 __all__ = ("MoleculeStore",)
 
-__version__ = get_versions()["version"]
+__version__ = version("yammbs")