Add versioning

Author: klieret

README.md

@@ -2,6 +2,7 @@
 
 # GNNs for Charged Particle Tracking
 
+[![CalVer YY.0M.MICRO](https://img.shields.io/badge/calver-YY.0M.MICRO-22bfda.svg)][calver]
 [![Documentation Status](https://readthedocs.org/projects/gnn-tracking/badge/?version=latest)](https://gnn-tracking.readthedocs.io/en/latest/?badge=latest)
 [![pre-commit.ci status](https://results.pre-commit.ci/badge/github/gnn-tracking/gnn_tracking/main.svg)](https://results.pre-commit.ci/latest/github/gnn-tracking/gnn_tracking/main)
 [![gh actions](https://github.com/gnn-tracking/gnn_tracking/actions/workflows/test.yaml/badge.svg)](https://github.com/gnn-tracking/gnn_tracking/actions)
@@ -28,10 +29,12 @@ See the [readme of the organization][organization-readme] for an overview of the
 5. For development: Install [pre-commit][] hooks: `pre-commit install` (from this directory)
 
 A good place to get started are the [demo notebooks][demo].
+This package is versioned based on the [![CalVer YY.0M.MICRO](https://img.shields.io/badge/calver-YY.0M.MICRO-22bfda.svg) CalVer scheme][calver].
 
 [mamba install]: https://mamba.readthedocs.io/en/latest/installation.html
 [demo]: https://github.com/gnn-tracking/tutorials
 [pre-commit]: https://pre-commit.com
+[calver]: https://calver.org/
 
 ## 🧰 Development guidelines
 

src/gnn_tracking/__init__.py

@@ -0,0 +1,5 @@
+from pathlib import Path
+
+__all__ = ["__version__"]
+
+__version__ = (Path(__file__).resolve().parent / "version.txt").read_text().strip()

src/gnn_tracking/utils/versioning.py

@@ -2,7 +2,9 @@
 from types import ModuleType
 
 import git
+from packaging import version
 
+import gnn_tracking
 from gnn_tracking.utils.log import logger
 
 
@@ -28,3 +30,10 @@ def get_commit_hash(module: None | ModuleType | str | PathLike = None) -> str:
             "Repository %s is dirty, commit hash may not be accurate.", base_path
         )
     return repo.head.object.hexsha
+
+
+def assert_version_geq(require: str):
+    assert version.parse(gnn_tracking.__version__) >= version.parse(require), (
+        f"Please update gnn_tracking from {gnn_tracking.__version__} to at least "
+        f"version {require}."
+    )

src/gnn_tracking/version.txt

@@ -1 +1 @@
-0.0.1
+23.07.00

tests/test_versioning.py

@@ -0,0 +1,6 @@
+import gnn_tracking
+from gnn_tracking.utils.versioning import assert_version_geq
+
+
+def test_versioning_geq():
+    assert_version_geq(gnn_tracking.__version__)