Attempt 3

Author: tymorrow

.github/workflows/build-and-run-tests.yml

@@ -19,6 +19,16 @@ jobs:
           python-version: ${{ matrix.python-version }}
           cache: "pip"
           cache-dependency-path: "**/pyproject.toml"
+      - name: Install HDF5 (macOS only)
+        if: runner.os == 'macOS'
+        run: |
+          brew install hdf5
+          brew install c-blosc
+      - name: Set HDF5_DIR environment variable (macOS only)
+        if: runner.os == 'macOS'
+        run: |
+          echo "HDF5_DIR=$(brew --prefix hdf5)" >> $GITHUB_ENV
+          echo "BLOSC_DIR=$(brew --prefix c-blosc)" >> $GITHUB_ENV
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip

.github/workflows/run-examples.yml

@@ -19,6 +19,16 @@ jobs:
           python-version: ${{ matrix.python-version }}
           cache: "pip"
           cache-dependency-path: "**/pyproject.toml"
+      - name: Install HDF5 (macOS only)
+        if: runner.os == 'macOS'
+        run: |
+          brew install hdf5
+          brew install c-blosc
+      - name: Set HDF5_DIR environment variable (macOS only)
+        if: runner.os == 'macOS'
+        run: |
+          echo "HDF5_DIR=$(brew --prefix hdf5)" >> $GITHUB_ENV
+          echo "BLOSC_DIR=$(brew --prefix c-blosc)" >> $GITHUB_ENV
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip setuptools wheel