basic linting

pyproject.toml

@@ -51,4 +51,7 @@ lint.select = [
   "RET",
   "SIM",
   "RUF"
-]
+]
+
+[tool.ruff.lint.per-file-ignores]
+"tasks.py" = ["T201"]

requirements-dev.txt

@@ -7,6 +7,7 @@ rellu >= 0.7
 approvaltests == 11.1.3
 robotframework-tidy >= 4.9.0
 python-semantic-release >= 9.3.1
+mypy >= 1.9.0
 # Include normal dependencies from requirements.txt. Makes it possible to use
 # requirements-dev.txt as a single requirement file in PyCharm and other IDEs.
 -r requirements.txt

tasks.py

@@ -0,0 +1,14 @@
+from invoke import task
+
+
+@task
+def lint(ctx, fix=False):
+    print("Run mypy:")
+    ctx.run("mypy --exclude .venv .")
+    print("Run black:")
+    ctx.run("black .")
+    print("Run ruff:")
+    ruff_cmd = "ruff check "
+    if fix:
+        ruff_cmd = f"{ruff_cmd} --fix"
+    ctx.run(ruff_cmd)