combine coverage reports for codacy

Author: cylammarco

.github/workflows/python-package.yml

@@ -42,7 +42,12 @@ jobs:
         (matrix.python-version == '3.13' || matrix.python-version == '3.14')}}
       run: |
         coverage run -m pytest --disable-warnings -p no:warnings test
-        coverage xml
+        mv .coverage .coverage.${{ matrix.os }}.${{ matrix.python-version }}
+    - name: Upload coverage data
+      uses: actions/upload-artifact@v4
+      with:
+        name: coverage-data
+        path: .coverage.*
     - name: Coveralls
       if: startsWith(matrix.os, 'ubuntu') && endsWith(matrix.python-version, '3.14')
       uses: coverallsapp/github-action@v2
@@ -92,14 +97,38 @@ jobs:
       with:
         parallel-finished: true
 
-  codacy-coverage-reporter:
+  coverage_combine:
     needs: build
     runs-on: ubuntu-latest
-    name: codacy-coverage-reporter
+
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v5
+
+      - name: Set up Python
+        uses: actions/setup-python@v6
+        with:
+          python-version: "3.12"
+
+      - name: Install coverage
+        run: |
+          python -m pip install --upgrade pip
+          pip install coverage
+
+      - name: Download coverage artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: coverage-data
+          path: coverage-data
+
+      - name: Combine coverage
+        run: |
+          ls -la coverage-data
+          coverage combine coverage-data
+          coverage xml
+          coverage report
+
       - name: Run codacy-coverage-reporter
         uses: codacy/codacy-coverage-reporter-action@v1.3.0
         with:
           api-token: ${{ secrets.CODACY_API_TOKEN }}
-          coverage-reports: coverage.xml
+          coverage-reports: coverage.xml