Use dependency group instead of optional deps for lower bounds

Author: ValerianRey

.github/workflows/checks.yml

@@ -13,7 +13,7 @@ jobs:
   tests:
     # Default config: py3.14, ubuntu-latest, float32, full options.
     # The idea is to make each of those params vary one by one, to limit the number of tests to run.
-    name: Tests (py${{ matrix.python-version || '3.14' }}, ${{ matrix.os || 'ubuntu-latest' }}, ${{ matrix.dtype || 'float32' }}, ${{ matrix.options || 'full' }})
+    name: Tests (py${{ matrix.python-version || '3.14' }}, ${{ matrix.os || 'ubuntu-latest' }}, ${{ matrix.dtype || 'float32' }}, ${{ matrix.options || 'full' }}${{ matrix.extra_groups && format(', {0}', matrix.extra_groups) || '' }})
     runs-on: ${{ matrix.os || 'ubuntu-latest' }}
     strategy:
       fail-fast: false
@@ -34,7 +34,7 @@ jobs:
           - options: 'none'
           # Lower-bounds of all dependencies and Python version.
           - python-version: '3.10.0'
-            options: 'ci_dependency_lower_bounds'
+            extra_groups: 'lower_bounds'
 
     steps:
       - name: Checkout repository
@@ -48,7 +48,7 @@ jobs:
       - uses: ./.github/actions/install-deps
         with:
           options: ${{ matrix.options || 'full' }}
-          groups: test
+          groups: test ${{ matrix.extra_groups }}
 
       - name: Run tests
         run: uv run pytest -W error tests/unit tests/doc --cov=src --cov-report=xml

pyproject.toml

@@ -92,6 +92,13 @@ plot = [
     "kaleido==0.2.1",  # Only works with locked version
     "matplotlib>=3.10.0",  # Recent version to avoid problems, could be relaxed
 ]
+# Dependency group allowing to easily resolve version of the core dependencies to the lower bound.
+lower_bounds = [
+    "torch==2.4.0",
+    "numpy==1.23.0",
+    "quadprog==0.1.9",
+    "qpsolvers==1.0.1",
+]
 
 [project.optional-dependencies]
 nash_mtl = [
@@ -106,15 +113,6 @@ full = [
     "ecos>=2.0.14",  # Does not work before 2.0.14
 ]
 
-# Optional dependencies allowing to easily pin version of the core dependencies to the lower bound.
-# This is not intended to be installed by users: only the CI should ever install this.
-ci_dependency_lower_bounds = [
-    "torch==2.4.0",
-    "numpy==1.23.0",
-    "quadprog==0.1.9",
-    "qpsolvers==1.0.1",
-]
-
 [tool.pytest.ini_options]
 xfail_strict = true