Update to recent Python versions and packaging structure

.github/workflows/release.yml

@@ -8,23 +8,23 @@ jobs:
 
     steps:
       - name: Checkout source
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
-      - name: Set up Python 3.10
+      - name: Set up Python 3.13
         uses: actions/setup-python@v5
         with:
-          python-version: "3.10"
+          python-version: "3.13"
 
       - name: Install pypa/build
-        run: python -m pip install build wheel pyyaml
+        run: python -m pip install build
 
       - name: Build distributions
         shell: bash -l {0}
-        run: python setup.py sdist bdist_wheel
+        run: python -m build
 
       - name: Publish package to PyPI
         if: github.repository == 'dask/dask-mpi' && github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
-        uses: pypa/gh-action-pypi-publish@master
+        uses: pypa/gh-action-pypi-publish@release/v1
         with:
           user: __token__
           password: ${{ secrets.PYPI_API_TOKEN }}

.github/workflows/tests.yml

@@ -19,7 +19,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python: ['3.7', '3.8']
+        python: ['3.10', '3.11', '3.12', '3.13']
         mpi: ['mpich', 'openmpi']
     env:
       PYTHON: ${{ matrix.python }}
@@ -29,7 +29,7 @@ jobs:
       OMPI_ALLOW_RUN_AS_ROOT: '1'
       OMPI_ALLOW_RUN_AS_ROOT_CONFIRM: '1'
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Cache conda
         uses: actions/cache@v4
         env:
@@ -39,13 +39,12 @@ jobs:
           path: ~/conda_pkgs_dir
           key: ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-${{ hashFiles( env.ENV_FILE ) }}
       - name: Setup miniconda
-        uses: conda-incubator/setup-miniconda@v2
+        uses: conda-incubator/setup-miniconda@v3
         with:
           activate-environment: dask-mpi-dev # Defined in ci/env-mpi.yml
           auto-update-conda: false
           python-version: ${{ matrix.python }}
           environment-file: ${{ env.ENV_FILE }}
-          use-only-tar-bz2: true # IMPORTANT: This needs to be set for caching to work properly!
       - name: Install package
         run: python -m pip install --no-deps -e .
       - name: Check Installation
@@ -55,7 +54,7 @@ jobs:
       - name: Run Tests
         run: pytest --junitxml=test-reports/junit.xml --cov=./ dask_mpi/tests/ --verbose
       - name: Upload code coverage to Codecov
-        uses: codecov/codecov-action@v1
+        uses: codecov/codecov-action@v5
         with:
           file: ./coverage.xml
           flags: unittests

.gitignore

@@ -124,3 +124,4 @@ purge.lock
 .devcontainer/
 
 test-reports/
+_version.py

.pre-commit-config.yaml

@@ -1,4 +1,4 @@
-exclude: 'docs/source/conf.py|versioneer.py'
+exclude: 'docs/source/conf.py'
 
 repos:
   - repo: https://github.com/psf/black-pre-commit-mirror

ci/env-mpich.yml

@@ -1,14 +1,13 @@
 name: dask-mpi-dev
 channels:
   - conda-forge
-  - defaults
+  - nodefaults
 dependencies:
   - dask>=2.19
   - distributed>=2.19
   - mpich
   - mpi4py>=3.0.3
   - pytest
-  - pytest-icdiff
   - pytest-cov
   - coverage
   - requests

ci/env-openmpi.yml

@@ -1,14 +1,13 @@
 name: dask-mpi-dev
 channels:
   - conda-forge
-  - defaults
+  - nodefaults
 dependencies:
   - dask>=2.19
   - distributed>=2.19
   - openmpi
   - mpi4py>=3.0.3
   - pytest
-  - pytest-icdiff
   - pytest-cov
   - coverage
   - requests

dask_mpi/__init__.py

@@ -1,6 +1,4 @@
-from ._version import get_versions
+from ._version import __version__
 from .exceptions import WorldTooSmallException  # noqa
 from .execute import execute, send_close_signal  # noqa
 from .initialize import initialize  # noqa
-
-__version__ = _version.get_versions()["version"]