Add ruff automated test

.github/workflows/python-test.yml

@@ -10,14 +10,28 @@ on:
     branches: ['master']
 
 jobs:
-  build:
 
+  ruff:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.x'
+      - name: Install pip and ruff
+        run: |
+          python -m pip install --upgrade pip
+          pip install ruff==0.6.2
+          if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+      - name: Run ruff
+        run: ruff check --output-format=github flow_models
+
+  build:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         python-version: ['3.9', '3.10', '3.11', '3.12', '3.13.0-rc.1', '3.x', 'pypy3.10']
-
     steps:
     - uses: actions/checkout@v3
     - name: Checkout submodule

ruff.toml

@@ -0,0 +1,67 @@
+line-length = 220
+target-version = "py312"
+
+[lint]
+select = ["ALL"]
+
+ignore = [
+    "ANN001",
+    "ANN002",
+    "ANN003",
+    "ANN201",
+    "ANN202",
+    "ANN204",
+    "ARG005",
+    "B007",
+    "B028",
+    "BLE001",
+    "C901",
+    "D100",
+    "D101",
+    "D102",
+    "D103",
+    "D104",
+    "D105",
+    "D107",
+    "D202",
+    "D212",
+    "D413",
+    "E501",
+    "EM101",
+    "EM102",
+    "ERA001",
+    "EXE001",
+    "FBT002",
+    "FIX002",
+    "I001",
+    "ICN001",
+    "PD010",
+    "PD901",
+    "PERF401",
+    "PERF403",
+    "PLR09",
+    "PLR2004",
+    "PLR5501",
+    "PLW2901",
+    "PTH123",
+    "Q000",
+    "RET504",
+    "RET505",
+    "RET506",
+    "RUF012",
+    "S101",
+    "S301",
+    "S307",
+    "S311",
+    "S324",
+    "S603",
+    "S607",
+    "SIM108",
+    "SIM115",
+    "SLF001",
+    "TD002",
+    "TD003",
+    "T201",
+    "TRY003",
+    "TRY004"
+]