Modifies the CI workflow

Build Conda for python 3.7, 3.8, 3.9, 3.10
Build and push to pypi (bdist and sdist) for python 3.7, 3.8, 3.9, 3.10
Fix issues on Windows for Python >=3.8 (DLL Loading)
Set RPATH in setup.py
Tests running on Windows, Linux, MacOSX
Tested on Mac M1 with Python 3.9

.github/workflows/CI.yml

@@ -0,0 +1,325 @@
+name: CI
+
+on:
+  push:
+  release:
+  workflow_dispatch:
+
+jobs:
+
+  test_ubuntu:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.7", "3.8", "3.9", "3.10"]
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install setuptools wheel twine
+          pip install numpy
+          pip install scipy
+          pip install Cython
+                  
+      - name: Install
+        run: |
+          pip install .
+    
+      - name: Run tests
+        run: |
+          pip install pytest
+          pytest -v
+  
+  test_macos:
+    runs-on: macos-latest
+    strategy:
+      matrix:
+        python-version: ["3.7", "3.8", "3.9", "3.10"]
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install setuptools wheel twine
+          pip install numpy
+          pip install scipy
+          pip install Cython
+                  
+      - name: Provide gfortran
+        run: |
+          ln -s /usr/local/bin/gfortran-10 /usr/local/bin/gfortran
+      
+      - name: Install
+        run: |
+          pip install .
+    
+      - name: Run tests
+        run: |
+          pip install pytest
+          pytest -v
+  
+  test_windows:
+    runs-on: windows-latest
+    strategy:
+      matrix:
+        python-version: ["3.7", "3.8", "3.9", "3.10"]
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install setuptools wheel twine
+          pip install numpy
+          pip install scipy
+          pip install Cython
+                  
+      - name: Install
+        run: |
+          pip install .
+    
+      - name: Run tests
+        run: |
+          pip install pytest
+          pytest -v
+
+
+  conda_build_ubuntu:
+      name: Conda Build (Python ${{matrix.python-version}})
+      needs: [test_ubuntu]
+      runs-on: ubuntu-latest
+      strategy:
+        fail-fast: false
+        matrix:
+          python-version: ["3.7", "3.8", "3.9", "3.10"]
+      steps:
+        - uses: actions/checkout@v2
+        - uses: conda-incubator/setup-miniconda@v2
+          with:
+            auto-update-conda: true
+            python-version: ${{ matrix.python-version }}
+
+        - name: Config Conda
+          shell: bash -l {0}
+          run: |
+              conda install --channel conda-forge conda-build anaconda-client conda-verify
+              conda config --add channels conda-forge
+              conda config --add channels underworldcode
+              conda config --set anaconda_upload no
+  
+        - name: Config Conda For Upload
+          if: github.event_name == 'release'
+          shell: bash -l {0}
+          run: conda config --set anaconda_upload yes
+
+        - name: Upload new Packages
+          if: github.event_name == 'release'
+          shell: bash -l {0}
+          run: |
+              anaconda login --hostname github-actions-${{ matrix.os  }}-$RANDOM --username ${{ secrets.ANACONDA_USERNAME }} --password ${{ secrets.ANACONDA_PASSWORD }}
+              conda-build --channel conda-forge --user geo-down-under conda
+              anaconda logout
+  
+  conda_build_macos:
+      name: Conda Build (Python ${{matrix.python-version}})
+      needs: [test_macos]
+      runs-on: macos-latest
+      strategy:
+        fail-fast: false
+        matrix:
+          python-version: ["3.7", "3.8", "3.9", "3.10"]
+      steps:
+        - uses: actions/checkout@v2
+        - uses: conda-incubator/setup-miniconda@v2
+          with:
+            auto-update-conda: true
+            python-version: ${{ matrix.python-version }}
+
+        - name: Config Conda
+          shell: bash -l {0}
+          run: |
+              conda install --channel conda-forge conda-build anaconda-client conda-verify
+              conda config --add channels conda-forge
+              conda config --add channels underworldcode
+              conda config --set anaconda_upload no
+  
+        - name: Config Conda For Upload
+          if: github.event_name == 'release'
+          shell: bash -l {0}
+          run: conda config --set anaconda_upload yes
+
+        - name: Upload new Packages
+          if: github.event_name == 'release'
+          shell: bash -l {0}
+          run: |
+              anaconda login --hostname github-actions-${{ matrix.os  }}-$RANDOM --username ${{ secrets.ANACONDA_USERNAME }} --password ${{ secrets.ANACONDA_PASSWORD }}
+              conda-build --channel conda-forge --user geo-down-under conda
+              anaconda logout
+  
+  conda_build_windows:
+      name: Conda Build (Python ${{matrix.python-version}} ${{ matrix.os }})
+      needs: [test_windows]
+      runs-on: windows-latest
+      strategy:
+        fail-fast: false
+        matrix:
+          python-version: ["3.7", "3.8", "3.9", "3.10"]
+      steps:
+        - uses: actions/checkout@v2
+        - uses: conda-incubator/setup-miniconda@v2
+          with:
+            auto-update-conda: true
+            python-version: ${{ matrix.python-version }}
+
+        - name: Config Conda
+          shell: bash -l {0}
+          run: |
+              conda install --channel conda-forge conda-build anaconda-client conda-verify
+              conda config --add channels conda-forge
+              conda config --add channels underworldcode
+              conda config --set anaconda_upload no
+  
+        - name: Config Conda For Upload
+          if: github.event_name == 'release'
+          shell: bash -l {0}
+          run: conda config --set anaconda_upload yes
+
+        - name: Upload new Packages
+          if: github.event_name == 'release'
+          shell: bash -l {0}
+          run: |
+              anaconda login --hostname github-actions-${{ matrix.os  }}-$RANDOM --username ${{ secrets.ANACONDA_USERNAME }} --password ${{ secrets.ANACONDA_PASSWORD }}
+              conda-build --channel conda-forge --user geo-down-under conda
+              anaconda logout
+
+  pypi_windows:
+    runs-on: windows_latest
+    needs: test_windows
+    env:
+        TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
+        TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+    strategy:
+      matrix:
+        os: [macos-latest, windows-latest]
+        python-version: ["3.7", "3.8", "3.9", "3.10"]
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install setuptools wheel twine
+          pip install numpy
+          pip install scipy
+          pip install Cython
+                  
+      - name: Provide gfortran
+        run: |
+          ln -s /usr/local/bin/gfortran-10 /usr/local/bin/gfortran
+      
+      - name: Package for Pypi
+        run: |
+          python setup.py sdist bdist_wheel
+    
+      - name: Upload to Pypi
+        run: |
+          python -m twine upload dist/* -r pypi --skip-existing
+  
+  pypi_macos:
+    runs-on: macos-latest
+    needs: test_macos
+    env:
+        TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
+        TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+    strategy:
+      matrix:
+        python-version: ["3.7", "3.8", "3.9", "3.10"]
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install setuptools wheel twine
+          pip install numpy
+          pip install scipy
+          pip install Cython
+                  
+      - name: Provide gfortran
+        run: |
+          ln -s /usr/local/bin/gfortran-10 /usr/local/bin/gfortran
+      
+      - name: Package for Pypi
+        run: |
+          python setup.py sdist bdist_wheel
+    
+      - name: Upload to Pypi
+        run: |
+          python -m twine upload dist/* -r pypi --skip-existing
+
+
+  manylinux:
+    name: Build manylinux package
+    needs: test_ubuntu
+    runs-on: ubuntu-latest
+    env:
+      TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
+      TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python
+        uses: actions/setup-python@v1
+        with:
+          python-version: "3.10"
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install setuptools twine wheel
+          pip install numpy
+          pip install scipy
+          pip install Cython
+      - name: Build manylinux Python wheels
+        uses: RalfG/python-wheels-manylinux-build@v0.4.2-manylinux2014_x86_64
+        with:
+          python-versions: 'cp36-cp36m cp37-cp37m cp38-cp38 cp39-cp39 cp310-cp310'    
+          pip-wheel-args: '--no-deps'
+          build-requirements: 'cython numpy'
+      - name: Publish wheels to PyPI
+        env:
+          TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
+          TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+        run: |
+          twine upload *-manylinux*.whl --skip-existing