Merge pull request #1609 from Libensemble/testing/pixi_in_testing

Testing/pixi in testing + Python 3.14 basic support

Author: jlnav

.gitattributes

@@ -0,0 +1 @@
+pixi.lock filter=lfs diff=lfs merge=lfs -text

.github/workflows/basic.yml

@@ -17,15 +17,15 @@ jobs:
             matrix:
                 os: [ubuntu-latest]
                 mpi-version: [mpich]
-                python-version: ["3.10", "3.11", "3.12", "3.13"]
+                python-version: ["py310", "py311", "py312", "py313", "py314"]
                 comms-type: [m, l]
                 include:
                     - os: macos-latest
-                      python-version: "3.11"
+                      python-version: "py311"
                       mpi-version: mpich
                       comms-type: m
                     - os: macos-latest
-                      python-version: "3.11"
+                      python-version: "py311"
                       mpi-version: mpich
                       comms-type: l
 
@@ -39,64 +39,44 @@ jobs:
                 shell: bash -l {0}
 
         steps:
-        - uses: actions/checkout@v6
-        - name: Setup conda - Python ${{ matrix.python-version }}
-          uses: conda-incubator/setup-miniconda@v3
+        - uses: actions/checkout@v4
           with:
-            activate-environment: condaenv
-            miniconda-version: "latest"
-            python-version: ${{ matrix.python-version }}
-            channels: conda-forge
-            channel-priority: strict
-            auto-update-conda: true
-
-        - name: Force-update certifi and pip
-          run: |
-            python --version
-            python -m pip install --upgrade pip
-            python -m pip install -I --upgrade certifi
-
-        - name: Install Ubuntu compilers
-          if: matrix.os == 'ubuntu-latest'
-          run: |
-              conda install -c conda-forge gcc_linux-64
+            lfs: true
 
-        # Roundabout solution on macos for proper linking with mpicc
-        - name: Install macOS compilers
-          if: matrix.os == 'macos-latest'
-          run: |
-            conda install clang_osx-64
+        - name: Checkout lockfile
+          run: git lfs checkout
 
-        - name: Install basic testing/feature dependencies
-          run: |
-            pip install -r install/testing_requirements.txt
-            pip install -r install/misc_feature_requirements.txt
-            source install/install_ibcdfo.sh
-            conda install numpy scipy
+        - uses: prefix-dev/setup-pixi@v0.9.2
+          with:
+            pixi-version: v0.55.0
+            cache: true
+            frozen: true
+            environments: ${{ matrix.python-version }}
+            activate-environment: ${{ matrix.python-version }}
 
-        - name: Install mpi4py and MPI from conda
+        - name: Install IBCDFO
           run: |
-            conda install mpi4py ${{ matrix.mpi-version }}
+            pixi run -e ${{ matrix.python-version }} ./install/install_ibcdfo.sh
 
         - name: Install libEnsemble, test flake8
           run: |
             pip install -e .
             flake8 libensemble
 
         - name: Remove various tests on newer pythons
-          if: matrix.python-version >= '3.11'
+          if: matrix.python-version == 'py311' || matrix.python-version == 'py312' || matrix.python-version == 'py313' || matrix.python-version == 'py314'
           run: |
-            rm ./libensemble/tests/functionality_tests/test_local_sine_tutorial*.py # matplotlib errors on 3.12
+            rm ./libensemble/tests/functionality_tests/test_local_sine_tutorial*.py # matplotlib errors on py312
 
         - name: Run simple tests, Ubuntu
           if: matrix.os == 'ubuntu-latest'
           run: |
-           ./libensemble/tests/run_tests.py -A "-W error" -${{ matrix.comms-type }}
+            ./libensemble/tests/run_tests.py -A "-W error" -${{ matrix.comms-type }}
 
         - name: Run simple tests, macOS
           if: matrix.os == 'macos-latest'
           run: |
-            ./libensemble/tests/run_tests.py -A "-W error" -${{ matrix.comms-type }}
+            pixi run -e ${{ matrix.python-version }} ./libensemble/tests/run_tests.py -A "-W error" -${{ matrix.comms-type }}
 
         - name: Merge coverage
           run: |

docs/conf.py

@@ -31,7 +31,7 @@ def __getattr__(cls, name):
         return MagicMock()
 
 
-autodoc_mock_imports = ["ax", "balsam", "gpcam", "IPython", "matplotlib", "pandas", "scipy", "surmise"]
+autodoc_mock_imports = ["ax", "gpcam", "IPython", "matplotlib", "pandas", "scipy", "surmise"]
 
 MOCK_MODULES = [
     "argparse",