Chore: Format code using Ruff. Phase out Black and isort.

pyproject.toml

@@ -9,13 +9,13 @@ name = "pytest-mqtt"
 version = "0.4.2"
 description = "pytest-mqtt supports testing systems based on MQTT"
 readme = "README.rst"
-requires-python = ">=3.7"
-license = {text = "MIT"}
-keywords = ["mqtt", "pytest", "testing", "mosquitto", "paho"]
+keywords = [ "mosquitto", "mqtt", "paho", "pytest", "testing" ]
+license = { text = "MIT" }
 authors = [
-  {name = "Andreas Motl", email = "andreas.motl@panodata.org"},
-  {name = "Richard Pobering", email = "richard.pobering@panodata.org"},
+  { name = "Andreas Motl", email = "andreas.motl@panodata.org" },
+  { name = "Richard Pobering", email = "richard.pobering@panodata.org" },
 ]
+requires-python = ">=3.7"
 classifiers = [
   "Development Status :: 5 - Production/Stable",
   "Environment :: Console",
@@ -33,6 +33,7 @@ classifiers = [
   "Operating System :: POSIX :: Linux",
   "Operating System :: Unix",
   "Programming Language :: Python",
+  "Programming Language :: Python :: 3 :: Only",
   "Programming Language :: Python :: 3.7",
   "Programming Language :: Python :: 3.8",
   "Programming Language :: Python :: 3.9",
@@ -61,79 +62,79 @@ dependencies = [
   "pytest-docker-fixtures<2",
 ]
 
-[project.entry-points.pytest11]
-capmqtt = "pytest_mqtt.capmqtt"
-mosquitto = "pytest_mqtt.mosquitto"
-
-[project.optional-dependencies]
-test = [
-  "coverage<8",
-  "pytest<9",
-  "pytest-fixture-order<1",
-  "pytest-ordering<1",
-]
-develop = [
-  "isort<6",
-  "black<25",
+optional-dependencies.develop = [
+  "mypy<1.12",
   "poethepoet<1",
+  "pyproject-fmt<3",
   "ruff<0.9",
+  "validate-pyproject<0.19",
 ]
-release = [
+optional-dependencies.release = [
   "build<2",
   "twine<7",
 ]
+optional-dependencies.test = [
+  "coverage<8",
+  "pytest<9",
+  "pytest-fixture-order<1",
+  "pytest-ordering<1",
+]
+urls.changelog = "https://github.com/mqtt-tools/pytest-mqtt/blob/main/CHANGES.rst"
+urls.documentation = "https://github.com/mqtt-tools/pytest-mqtt"
+urls.homepage = "https://github.com/mqtt-tools/pytest-mqtt"
+urls.repository = "https://github.com/mqtt-tools/pytest-mqtt"
+entry-points.pytest11.capmqtt = "pytest_mqtt.capmqtt"
+entry-points.pytest11.mosquitto = "pytest_mqtt.mosquitto"
 
 [tool.setuptools]
 # https://setuptools.pypa.io/en/latest/userguide/package_discovery.html
-packages = ["pytest_mqtt"]
-
-[project.urls]
-homepage = "https://github.com/mqtt-tools/pytest-mqtt"
-documentation = "https://github.com/mqtt-tools/pytest-mqtt"
-repository = "https://github.com/mqtt-tools/pytest-mqtt"
-changelog = "https://github.com/mqtt-tools/pytest-mqtt/blob/main/CHANGES.rst"
-
+packages = [ "pytest_mqtt" ]
 
 # ==================
 # Tool configuration
 # ==================
+# Configuration snippets for pytest, coverage, and ruff.
 
-# Configuration snippets for Black, isort, pytest, coverage, and ruff.
-
-[tool.black]
+[tool.ruff]
 line-length = 120
 
-[tool.isort]
-profile = "black"
-skip_glob = "**/site-packages/**"
-skip_gitignore = false
-# src_paths = ["pytest_mqtt", "testing"]
-
 [tool.pytest.ini_options]
 minversion = "2.0"
 addopts = """
   -rfEX -p pytester --strict-markers --verbosity=3
   """
 log_level = "DEBUG"
 log_cli_level = "DEBUG"
-testpaths = ["testing"]
+testpaths = [ "testing" ]
 xfail_strict = true
 markers = [
   "capmqtt_decode_utf8: Capture MQTT messages as `str`, not `bytes`",
 ]
 
 [tool.coverage.run]
 branch = false
-source = ["pytest_mqtt"]
+source = [ "pytest_mqtt" ]
 
 [tool.coverage.report]
 fail_under = 0
 show_missing = true
 omit = [
 ]
 
-[tool.ruff]
-line-length = 120
+[tool.mypy]
+packages = [ "pytest_mqtt" ]
+exclude = [
+]
+ignore_missing_imports = true
+check_untyped_defs = false
+implicit_optional = true
+install_types = true
+no_implicit_optional = true
+non_interactive = true
+show_error_codes = true
+strict_equality = true
+warn_unused_ignores = true
+warn_redundant_casts = true
 
 
 # ===================
@@ -148,25 +149,30 @@ check = [
 ]
 
 format = [
-  {cmd="black ."},
-  {cmd="isort pytest_mqtt testing"},
+  { cmd = "ruff format ." },
+  # Configure Ruff not to auto-fix (remove!):
+  # unused imports (F401), unused variables (F841), `print` statements (T201), and commented-out code (ERA001).
+  { cmd = "ruff check --fix --ignore=ERA --ignore=F401 --ignore=F841 --ignore=T20 --ignore=ERA001 ." },
+  { cmd = "pyproject-fmt --keep-full-version pyproject.toml" },
 ]
+
 lint = [
-  {cmd="ruff check ."},
-  {cmd="black --check ."},
-  {cmd="isort --check pytest_mqtt testing"},
+  { cmd = "ruff format --check ." },
+  { cmd = "ruff check ." },
+  { cmd = "validate-pyproject pyproject.toml" },
+  { cmd = "mypy" },
 ]
 
 # When testing a pytest plugin, `coverage` needs to be
 # started before `pytest`. `pytest-cov` will not work.
 # https://stackoverflow.com/a/62224494
 test = [
-  {cmd="coverage run -m pytest"},
-  {cmd="coverage report"},
-  {cmd="coverage xml"},
+  { cmd = "coverage run -m pytest" },
+  { cmd = "coverage report" },
+  { cmd = "coverage xml" },
 ]
 
 release = [
-  {cmd="python -m build"},
-  {cmd="twine upload --skip-existing dist/*.tar.gz dist/*.whl"},
+  { cmd = "python -m build" },
+  { cmd = "twine upload --skip-existing dist/*.tar.gz dist/*.whl" },
 ]

pytest_mqtt/__init__.py

@@ -1,9 +1,9 @@
 try:
     from importlib.metadata import PackageNotFoundError, version  # noqa
-except ImportError:  # pragma:nocover
-    from importlib_metadata import PackageNotFoundError, version  # noqa
+except ImportError:  # pragma: no cover
+    from importlib_metadata import PackageNotFoundError, version  # type: ignore[no-redef]  # noqa
 
-from .model import MqttMessage  # noqa:F401
+from .model import MqttMessage  # noqa: F401
 
 try:
     __version__ = version("pytest-mqtt")

pytest_mqtt/capmqtt.py

@@ -13,6 +13,7 @@
 
 .. _Paho MQTT Python Client: https://github.com/eclipse/paho.mqtt.python
 """
+
 import logging
 import threading
 import typing as t
@@ -94,7 +95,7 @@ class MqttCaptureFixture:
     def __init__(self, decode_utf8: t.Optional[bool], host: str = "localhost", port: int = 1883) -> None:
         """Creates a new funcarg."""
         self._buffer: t.List[MqttMessage] = []
-        self._decode_utf8: bool = decode_utf8
+        self._decode_utf8: bool = decode_utf8 or False
 
         self.mqtt_client = MqttClientAdapter(on_message_callback=self.on_message, host=host, port=port)
         self.mqtt_client.start()
@@ -124,7 +125,7 @@ def messages(self) -> t.List[MqttMessage]:
         return self._buffer
 
     @property
-    def records(self) -> t.List[t.Tuple[str, t.Union[str, bytes], t.Dict]]:
+    def records(self) -> t.List[t.Tuple[str, t.Union[str, bytes], t.Union[t.Dict, None]]]:
         return [(item.topic, item.payload, item.userdata) for item in self._buffer]
 
     def publish(self, topic: str, payload: str, **kwargs) -> mqtt.MQTTMessageInfo:

pytest_mqtt/mosquitto.py

@@ -14,6 +14,7 @@
 
 .. _Mosquitto: https://github.com/eclipse/mosquitto
 """
+
 import os
 
 import docker
@@ -36,7 +37,6 @@
 
 
 class Mosquitto(BaseImage):
-
     name = "mosquitto"
 
     def __init__(self, host: str = "localhost", port: int = 1883) -> None:
@@ -96,7 +96,6 @@ def mqtt_settings(pytestconfig) -> MqttSettings:
 
 @pytest.fixture(scope="session")
 def mosquitto(mqtt_settings: MqttSettings):
-
     host, port = mqtt_settings.host, mqtt_settings.port
 
     # Gracefully skip spinning up the Docker container if Mosquitto is already running.