add basic linting using ruff

.github/workflows/ruff.yml

@@ -0,0 +1,11 @@
+on: push
+jobs:
+  linting:
+    runs-on: ubuntu-22.04
+    steps:
+        - uses: actions/checkout@v4
+        - uses: actions/setup-python@v5
+          with:
+            python-version: '3.10' 
+        - run: pip install ruff
+        - run: ruff check --output-format=github .

pyproject.toml

@@ -0,0 +1,26 @@
+[build-system]
+requires = ["pbr>=6.0.0", "setuptools>=64.0.0"]
+build-backend = "pbr.build"
+
+[tool.ruff]
+line-length = 79
+
+[tool.ruff.lint]
+select = [
+    "E",        # pycodestyle (error)
+    "F",        # pyflakes
+    "G",        # flake8-logging-format
+    "LOG",      # flake8-logging
+]
+
+
+ignore = [
+    "E501", # line too long
+    "G001", # logging statement uses str.format
+    "G002", # Logging statement uses `%`
+    "G004", # logging statement uses f-string
+    "G010", # Logging statement uses `warn` instead of `warning`
+    "E741", # Ambiguous variable name
+    "F401", # imported but unused
+    "E402", # many files monkeypatch eventlet, so imports not at top of file
+]