Use ruff for linting

.github/workflows/ci.yaml

@@ -23,6 +23,9 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install -r requirements_dev.txt .
+    - name: Lint with ruff
+      run: |
+        ruff check .
     - name: Tests
       run: pytest --cov-report term-missing --cov-report=xml test
     - name: Upload coverage to Codecov

documentation/conf.py

@@ -11,7 +11,6 @@
 # All configuration values have a default; values that are commented out
 # serve to show the default.
 
-import sys, os
 import pathlib
 import re
 
@@ -20,6 +19,7 @@
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #sys.path.append(os.path.abspath('.'))
 
+
 def find_version(path: pathlib.Path):
     """
     Search the file for a version string.

pyproject.toml

@@ -40,3 +40,15 @@ dynamic = ["version"]
 
 [tool.setuptools.dynamic]
 version = { attr = "serial_asyncio_fast.__version__" }
+
+[tool.ruff]
+line-length = 120
+[tool.ruff.lint]
+extend-select = [
+  "E",  # pycodestyle errors
+  "W",  # pycodestyle warnings
+]
+extend-ignore = [
+  "E265",  # no space after block comment
+  "E241",  # multiple spaces after comma
+]

requirements_dev.txt

@@ -1,2 +1,3 @@
 pytest-cov
 pytest-asyncio
+ruff

serial_asyncio_fast/__init__.py

@@ -31,12 +31,14 @@
 # Prevent tasks from being garbage collected.
 _BACKGROUND_TASKS: Set[asyncio.Task] = set()
 
+
 def _create_background_task(coro: Coroutine) -> None:
     """Create a background task that will not be garbage collected."""
     task = asyncio.create_task(coro)
     _BACKGROUND_TASKS.add(task)
     task.add_done_callback(_BACKGROUND_TASKS.discard)
 
+
 class SerialTransport(asyncio.Transport):
     """An asyncio transport model of a serial communication channel.
 

test/__init__.py

@@ -1 +0,0 @@
-