Add pyproject

.github/workflows/testing.yml

@@ -33,10 +33,8 @@ jobs:
 
     - name: Install dependencies via pip
       run: |
-        python -m pip install --upgrade pip wheel
-        python -m pip install numpy pytest pytest-cov
-        python -m pip install camb mflike
-        python -m pip install -e .
+        python -m pip install --upgrade pip
+        python -m pip install .[test]
 
     - name: Unit tests
       run: |

MANIFEST.in

@@ -0,0 +1,6 @@
+include cobaya_utilities/_version.py
+
+exclude .git*
+exclude codecov.yml
+
+prune .github

cobaya_utilities/__init__.py

@@ -1,3 +1,7 @@
-from . import _version
+from importlib.metadata import PackageNotFoundError, version
 
-__version__ = _version.get_versions()["version"]
+try:
+    __version__ = version("cobaya_utilities")
+except PackageNotFoundError:
+    # package is not installed
+    pass