Fix Spack in install in CI (#4087)

* Add some debug

* Test

* Install blas

* Small fixes

* Updates

* Test

* Remove pyamg

* Fix for pyamg

* Fixes

* Updates

Author: garth-wells

.github/workflows/ci-spack.yml

@@ -49,18 +49,11 @@ jobs:
           repository: spack/spack-packages
           ref: develop
           path: spack-packages
-      - name: Get FEniCS Spack packages
-        uses: actions/checkout@v6
-        with:
-          repository: fenics/spack-fenics
-          ref: main
-          path: spack-fenics
 
       - name: Add Spack packages repo
         run: |
           . $GITHUB_WORKSPACE/spack-src/share/spack/setup-env.sh
           spack repo add --name builtin $GITHUB_WORKSPACE/spack-packages/repos/spack_repo/builtin
-          spack repo add --name fenics $GITHUB_WORKSPACE/spack-fenics/spack_repo/fenics
           spack config get repos
           spack repo list
 
@@ -77,9 +70,10 @@ jobs:
       - name: Add dependencies to environment
         run: |
           . ./spack-src/share/spack/setup-env.sh
-          spack -e py add mpi petsc+mpi+shared+mumps+superlu-dist slepc parmetis pkgconfig python hdf5+mpi boost pugixml spdlog
-          spack -e py add python py-nanobind py-numpy py-mpi4py py-petsc4py py-slepc4py py-scikit-build-core+pyproject py-setuptools py-cffi
+          spack -e py add mpi petsc+mpi+shared+mumps+superlu-dist slepc parmetis pkgconfig hdf5+mpi boost pugixml spdlog
+          spack -e py add python@3.14 py-nanobind py-numpy py-mpi4py py-petsc4py py-slepc4py py-scikit-build-core+pyproject py-setuptools py-cffi
           spack -e py add py-pip cmake catch2 py-pytest py-pytest-xdist ninja
+          spack -e py add openblas
 
       - if: matrix.compiler == 'oneapi'
         name: Add oneAPI compilers to environment
@@ -109,8 +103,9 @@ jobs:
           . ./spack-src/share/spack/setup-env.sh
           spack env activate py
           pip install git+https://github.com/${{ env.ufl_repository }}.git@${{ env.ufl_ref }}
-          pip install -Ccmake.build-type="Developer" git+https://github.com/${{ env.basix_repository }}.git@${{ env.basix_ref }}
+          pip install -Ccmake.define.CMAKE_INSTALL_RPATH_USE_LINK_PATH=on git+https://github.com/${{ env.basix_repository }}.git@${{ env.basix_ref }}
           pip install git+https://github.com/${{ env.ffcx_repository }}.git@${{ env.ffcx_ref }}
+          python -c "import basix, os, sys; sys.stdout.write(os.path.dirname(basix.__file__))"
 
       - name: Configure and build C++
         run: |

python/demo/demo_pyamg.py

@@ -27,7 +27,6 @@
 
 import numpy as np
 import numpy.typing as npt
-import pyamg
 
 import ufl
 from dolfinx import fem, io
@@ -42,6 +41,13 @@
 )
 from dolfinx.mesh import CellType, create_box, locate_entities_boundary
 
+try:
+    import pyamg
+except ImportError:
+    print("This demo requires pyamg.")
+    exit(0)
+
+
 if MPI.COMM_WORLD.size > 1:
     print("This demo works only in serial.")
     exit(0)

python/pyproject.toml

@@ -34,7 +34,6 @@ demo = [
   "numba",
   "matplotlib",
   "scipy",
-  "pyamg",
   "pyvista",
 ]
 docs = [
@@ -50,7 +49,7 @@ docs = [
       "fenics-dolfinx[demo]",
 ]
 lint = ["ruff>=0.2.0"]
-optional = ["numba", "pyamg"]
+optional = ["numba"]
 petsc4py = ["petsc4py"]
 test = [
       "matplotlib",
@@ -125,7 +124,7 @@ allowed-confusables = ["σ", "ρ"]
 
 [tool.ruff.lint.isort]
 known-first-party = ["basix", "dolfinx", "ffcx", "ufl"]
-known-third-party = ["gmsh", "numba", "numpy", "pytest", "pyvista", "pyamg"]
+known-third-party = ["gmsh", "numba", "numpy", "pytest", "pyvista"]
 section-order = [
       "future",
       "standard-library",