switch from black/flake8 to ruff

.github/workflows/tox.yml

@@ -1,14 +1,14 @@
 name: tox
 on: [push, pull_request]
 jobs:
-  tox-flake8:
+  tox-lint:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v3
       - run: pip install --upgrade pip
       - run: pip install tox
-      - run: tox -e flake8
+      - run: tox -e lint
 
   tox-mypy:
     runs-on: ubuntu-latest

pyproject.toml

@@ -1,6 +1,10 @@
 [tool.black]
 line-length = 79
-target_version = ['py37']
+target_version = ['py310']
+
+[tool.ruff]
+target-version = "py310"
+line-length = 79
 
 [tool.pytest.ini_options]
 asyncio_mode = "auto"

tox.ini

@@ -1,16 +1,21 @@
 [tox]
-envlist = py310, py311, py312, flake8, mypy
+envlist = py310, py311, py312, lint, mypy
 
 [travis]
 python =
     3.10: py310
     3.11: py311
     3.12: py312
 
-[testenv:flake8]
-basepython=python3
-deps=flake8
-commands=flake8 --max-line-length=88 yacron tests
+
+[testenv:lint]
+description = lint source code
+deps =
+    ruff
+commands =
+    ruff check yacron
+    ruff format --check yacron
+
 
 [testenv:mypy]
 basepython=python3

yacron/config.py

@@ -287,9 +287,7 @@ def __init__(self, config: dict) -> None:
         self.schedule_unparsed = config.pop("schedule")
         if isinstance(self.schedule_unparsed, str):
             if self.schedule_unparsed in {"@reboot"}:
-                self.schedule = (
-                    self.schedule_unparsed
-                )  # type: Union[CronTab, str]
+                self.schedule = self.schedule_unparsed  # type: Union[CronTab, str]
             else:
                 self.schedule = CronTab(self.schedule_unparsed)
         elif isinstance(self.schedule_unparsed, dict):

yacron/cron.py

@@ -1,24 +1,26 @@
-import logging.config
 import asyncio
 import asyncio.subprocess
 import datetime
 import logging
+import logging.config
 from collections import OrderedDict, defaultdict
 from typing import Any, Awaitable, Dict, List, Optional, Union  # noqa
 from urllib.parse import urlparse
+
 from aiohttp import web
+from crontab import CronTab  # noqa
+
 import yacron.version
 from yacron.config import (
-    JobConfig,
-    parse_config,
     ConfigError,
-    parse_config_string,
+    JobConfig,
+    JobDefaults,
     WebConfig,
     YacronConfig,
-    JobDefaults,
+    parse_config,
+    parse_config_string,
 )
-from yacron.job import RunningJob, JobRetryState
-from crontab import CronTab  # noqa
+from yacron.job import JobRetryState, RunningJob
 
 logger = logging.getLogger("yacron")
 WAKEUP_INTERVAL = datetime.timedelta(minutes=1)
@@ -77,9 +79,7 @@ def __init__(
         self.cron_jobs = OrderedDict()  # type: Dict[str, JobConfig]
         # list of cron jobs already running
         # name -> list of RunningJob
-        self.running_jobs = defaultdict(
-            list
-        )  # type: Dict[str, List[RunningJob]]
+        self.running_jobs = defaultdict(list)  # type: Dict[str, List[RunningJob]]
         self.config_arg = config_arg
         if config_arg is not None:
             self.update_config()
@@ -212,7 +212,7 @@ async def _web_get_status(self, request: web.Request) -> web.Response:
                     status = "scheduled ({})".format(
                         (
                             jobstat["scheduled_in"]
-                            if type(jobstat["scheduled_in"]) is str
+                            if isinstance(jobstat["scheduled_in"], str)
                             else naturaltime(
                                 jobstat["scheduled_in"], future=True
                             )

yacron/job.py

@@ -2,19 +2,18 @@
 import asyncio.subprocess
 import logging
 import os
+import subprocess
 import sys
 import time
 from datetime import datetime, timezone
 from email.message import EmailMessage
 from socket import gethostname
 from typing import Any, Dict, List, Optional, Tuple
-import subprocess
-
-import sentry_sdk
-import sentry_sdk.utils
 
 import aiosmtplib
 import jinja2
+import sentry_sdk
+import sentry_sdk.utils
 
 from yacron.config import JobConfig
 from yacron.statsd import StatsdJobMetricWriter