Add pre-commit, ruff check configuration and Github action

.github/workflows/ruff.yml

@@ -0,0 +1,16 @@
+name: ruff
+
+on: [push, pull_request, workflow_dispatch]
+
+permissions:
+  contents: read
+
+jobs:
+  ruff:
+    name: Check code with ruff
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+      - uses: astral-sh/ruff-action@v3
+        with:
+          args: "check"

.pre-commit-config.yaml

@@ -0,0 +1,7 @@
+repos:
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.12.11
+    hooks:
+      - id: ruff-check
+        name: Run Ruff (lint)
+        args: [--exit-non-zero-on-fix]

pyproject.toml

@@ -104,3 +104,21 @@ exclude = [
 [[tool.mypy.overrides]]
 module = "pyperf"
 ignore_missing_imports = true
+
+[tool.ruff]
+target-version = "py310"
+
+[tool.ruff.lint]
+ignore = [
+    "E402",  # module level import not at top of file
+    "E501",  # line too long
+    "E701",  # multiple statements on one line (colon)
+    "E722",  # do not use bare 'except'
+    "E741",  # ambiguous variable name
+    "F405"   # name may be undefined, or defined from star imports
+]
+
+select = [
+    "E",
+    "F",
+]