refactor: Language agnostic coverage action

Author: kieran-ryan

.github/workflows/test-python.yml

@@ -25,7 +25,6 @@ jobs:
     strategy:
       matrix:
         include:
-          # Test latest python on Windows and macOS
           - { os: 'windows-latest', python-version: '3.13' }
           - { os: 'macos-latest', python-version: '3.13' }
         os: ['ubuntu-latest']
@@ -46,8 +45,11 @@ jobs:
       - name: Linting and testing
         run: uv run tox -e="lint,${{ matrix.python-version }}"
 
-      - name: Gather codecov report
-        run: uvx codecov
+      - name: Upload test results to Codecov
+        uses: codecov/test-results-action@v1
+        with:
+          files: coverage.xml
+          token: ${{ secrets.CODECOV_TOKEN }}
 
       - name: Build package
         run: uv build

python/.gitignore

@@ -28,6 +28,7 @@ pip-log.txt
 
 # Unit test / coverage reports
 .coverage
+coverage.xml
 .tox
 nosetests.xml
 

python/pyproject.toml

@@ -89,7 +89,10 @@ deps = ["pre-commit-uv>=4.1.1"]
 description = "Run linting and formatting checks (and auto-fixes)"
 
 [tool.tox.env_run_base]
-commands = [["coverage", "run", "--append", "-m", "pytest", "-vvl"]]
+commands = [
+  ["coverage", "run", "--append", "-m", "pytest", "-vvl"],
+  ["coverage", "xml"]
+]
 dependency_groups = [
   "dev"
 ]