Add pylint to GitHub Actions

.github/workflows/continuous-integration.yml

@@ -10,4 +10,19 @@ jobs:
           with:
             name: sdist
             path: dist/videojitter-*.tar.gz
-            if-no-files-found: error
+            if-no-files-found: error
+  pylint:
+    runs-on: ubuntu-latest
+    needs: build-sdist
+    steps:
+        - uses: actions/checkout@v4
+        - run: pip install --requirement pylint-requirements.txt 
+        - uses: actions/download-artifact@v3
+          with:
+            name: sdist
+            path: /tmp/sdist-artifact
+        - run: mkdir /tmp/sdist
+        - run: tar --gzip --extract --verbose --force /tmp/sdist-artifact/videojitter-*.tar.gz --directory /tmp/sdist
+        # TODO: also pylint the test code
+        - run: pylint src
+          working-directory: /tmp/sdist

pylint-requirements.in

@@ -0,0 +1,3 @@
+# pip-tools `pip-compile` input file for pinning pylint.
+-c requirements.txt
+pylint

pylint-requirements.txt

@@ -0,0 +1,20 @@
+#
+# This file is autogenerated by pip-compile with Python 3.11
+# by the following command:
+#
+#    pip-compile --strip-extras pylint-requirements.in
+#
+astroid==3.0.1
+    # via pylint
+dill==0.3.7
+    # via pylint
+isort==5.12.0
+    # via pylint
+mccabe==0.7.0
+    # via pylint
+platformdirs==4.0.0
+    # via pylint
+pylint==3.0.2
+    # via -r pylint-requirements.in
+tomlkit==0.12.2
+    # via pylint