Add pylint, pip caching improvements, and static analysis

Author: simonkurtz-MSFT

.github/workflows/python-tests.yml

@@ -25,15 +25,28 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
+          cache: pip
+          cache-dependency-path: requirements.txt
 
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
           pip install -r requirements.txt
 
-      - name: Install pytest and pytest-cov
+      - name: Run pylint analysis
         run: |
-          pip install pytest pytest-cov
+          bash tests/python/run_pylint.sh
+
+      - name: Upload pylint reports
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: pylint-reports-${{ matrix.python-version }}
+          path: tests/python/pylint/reports/
+
+      - name: Verify bytecode compilation
+        run: |
+          python -m compileall infrastructure samples setup shared tests
 
       # Run tests with continue-on-error so that coverage and PR comments are always published.
       # The final step will explicitly fail the job if any test failed, ensuring PRs cannot be merged with failing tests.