Add automatic versioning to the library

.github/workflows/publish-pypi.yml

@@ -84,4 +84,10 @@ jobs:
  env:
  TWINE_USERNAME: __token__
  TWINE_PASSWORD: ${{ secrets.PYPI_TOKEN_FORMULAE }}
- run: python3 -m twine upload dist/*
+ run: python3 -m twine upload dist/*
+
+
+# See documentation on accesing the tag from the release
+# Look for 'github.ref' and 'github.ref_name' in https://docs.github.com/en/actions/learn-github-actions/contexts 
+# On October, 2023 it says "For workflows triggered by release, this is the release tag created"
+# So 'github.ref_name' should be the version number of the release we're making.

formulae/__init__.py

@@ -1,9 +1,14 @@
 import logging
 
+from importlib.metadata import version
+
 from .config import config
 from .matrices import design_matrices
 from .model_description import model_description
-from .version import __version__
+
+# from .version import __version__
+
+__version__ = version("formulae")
 
 __all__ = [
  "config",

pyproject.toml

@@ -1,6 +1,8 @@
 [build-system]
 build-backend = "setuptools.build_meta"
-requires = ["setuptools>=61.0"]
+requires = ["setuptools>=61.0", "setuptools_scm>=8"]
+
+[tool.setuptools_scm]
 
 [project]
 name = "formulae"
@@ -40,9 +42,6 @@ changelog = "https://github.com/bambinos/formulae/blob/main/docs/CHANGELOG.md"
 [tool.setuptools]
 packages = ["formulae", "formulae.terms"]
 
-[tool.setuptools.dynamic]
-version = {file = "formulae/version.txt"}
-
 [tool.black]
 line-length = 100
 target-version = ["py39", "py310"]