init pypi tests

Author: dcamron

.github/actions/install-pypi/action.yml

@@ -23,6 +23,14 @@ inputs:
     description: 'Whether Cartopy support is needed'
     required: false
     default: 'false'
+  install-target:
+    description: ''
+    required: false
+    default: '.'
+  install-flags:
+    description: ''
+    required: false
+    default: ''
 
 runs:
   using: composite
@@ -31,17 +39,12 @@ runs:
       uses: actions/setup-python@v6
       with:
         python-version: ${{ inputs.python-version }}
-        cache: 'pip'
         cache-dependency-path: |
           ci-dev/${{ inputs.type }}_requirements.txt
           ci/${{ inputs.version-file }}
           ci/extra_requirements.txt
 
-    - name: Upgrade pip and setuptools
-      shell: bash
-      run: |
-        python -m pip install --upgrade pip
-        python -m pip install --upgrade setuptools
+    - uses: astral-sh/setup-uv@v7
 
     - name: Set dependency groups for install
       shell: bash
@@ -56,14 +59,14 @@ runs:
     - name: Install
       shell: bash
       run: >
-        python -m pip install .[${{ env.DEP_GROUPS }}]
+        uv pip install --system ${{ inputs.install-flags }} ${{ inputs.install-target }}[${{ env.DEP_GROUPS }}]
         -c ci/${{ inputs.version-file }} -c ci-dev/${{ inputs.type }}_requirements.txt -c ci/extra_requirements.txt
 
     - name: Install additional test tools
       if: ${{ inputs.type == 'test' }}
       shell: bash
       run: >
-        python -m pip install coverage
+        uv pip install --system coverage
         -c ci/${{ inputs.version-file }} -c ci-dev/${{ inputs.type }}_requirements.txt -c ci/extra_requirements.txt
 
     - name: Download Cartopy Maps

.github/workflows/ci.yml

@@ -20,12 +20,12 @@ jobs:
   Builds:
     uses: ./.github/workflows/packages.yml
 
-  # TestsPyPI:
-  #   needs: Builds
-  #   uses: ./.github/workflows/tests-pypi.yml
-  #   with:
-  #     install-flags: --no-index --find-links ./wheelhouse/
-  #     download-name: 
+  TestsPyPI:
+    needs: Builds
+    uses: ./.github/workflows/tests-pypi.yml
+    with:
+      install-flags: --no-index --find-links ./wheelhouse/
+      download-name: wheels-${{ runner.name }}
 
   # TestsSDist:
 

.github/workflows/tests-pypi.yml

@@ -4,21 +4,34 @@ name: PyPI Tests
 on:
   workflow_call:
     inputs:
+      install-flags:
+        description: ''
+        type: string
+        required: false
+        default: ''
+      download-name:
+        description: ''
+        type: string
+        required: false
+        default: ''
 
-concurrency:
-  group: ${{ github.workflow}}-${{ github.head_ref }}
-  cancel-in-progress: true
+# concurrency:
+#   group: ${{ github.workflow}}-${{ github.head_ref }}
+#   cancel-in-progress: true
 
 jobs:
   #
   # Run all tests on Linux using standard PyPI packages, including minimum requirements
   #
   PyPITests:
     name: ${{ matrix.python-version }} ${{ matrix.dep-versions }} ${{ matrix.no-extras }}
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.platform }}
+    env: 
+      INSTALL_FLAGS: ${{ inputs.install-flags }}
     strategy:
       fail-fast: false
       matrix:
+        platform: ["ubuntu-latest", "macos-latest", "macos-15-intel", "windows-latest", "windows-11-arm"]
         python-version: [3.11, 3.12, 3.13, 3.14]
         dep-versions: [Latest]
         no-extras: ['']
@@ -40,27 +53,15 @@ jobs:
         fetch-tags: true
         persist-credentials: false
 
-    - name: Generate minimum dependencies
-      if: ${{ matrix.dep-versions == 'Minimum' }}
-      run: |
-        pip install tomli
-        python << EOF
-        import tomli as tomllib
-        from pathlib import Path
-
-        # Read our pyproject.toml
-        config = tomllib.load(open('pyproject.toml', 'rb'))['project']
-        opt_deps = config['optional-dependencies']
+    - name: Download artifacts if specified
+      if: ${{ inputs.download-name != '' }}
+      uses: actions/download-artifact@v8
+      with:
+        name: ${{ inputs.download-name }}
 
-        # Generate a Minimum dependency file
-        for src, fname in [(config['dependencies'], 'ci/requirements.txt'),
-                           (opt_deps['test'], 'ci-dev/test_requirements.txt'),
-                           (opt_deps['extras'], 'ci/extra_requirements.txt')]:
-          with Path(fname).open('wt') as out:
-            for dep in src:
-              dep = dep.split(';')[0]
-              out.write(dep.replace('>=', '==') + '\n')
-        EOF
+    - name: Set flag to install minimum dependencies
+      if: ${{ matrix.dep-versions == 'Minimum' }}
+      run: echo "INSTALL_FLAGS=${{ env.INSTALL_FLAGS }} --resolution=lowest-direct" >> $GITHUB_ENV
 
     - name: Install from PyPI
       uses: ./.github/actions/install-pypi
@@ -70,6 +71,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
         old-build: ${{ matrix.no-extras != 'No Extras' && matrix.dep-versions == 'Minimum' }}
         need-cartopy: ${{ matrix.no-extras != 'No Extras' }}
+        install-flags: ${{ env.INSTALL_FLAGS }}
 
     - name: Run tests
       uses: ./.github/actions/run-tests