Switch from flake8 + isort + pylint to ruff

Makefile

@@ -13,8 +13,7 @@ clean:
 	rm -fr *.egg-info
 
 lint:
-	$(FLAKE8) $(PROJECT_NAME)
-	$(PYTEST) --isort -m isort $(PROJECT_NAME)
+	$(RUFF) $(PROJECT_NAME)
 
 fix:
 	$(VENV)/bin/yapf -p -i pygal/**/*.py

Makefile.config

@@ -3,7 +3,7 @@ PROJECT_NAME = pygal
 # Python env
 PYTHON_VERSION ?= python
 VENV = $(PWD)/.env$(if $(filter $(PYTHON_VERSION),python),,-$(PYTHON_VERSION))
-FLAKE8 = $(VENV)/bin/flake8
+RUFF = $(VENV)/bin/ruff
 PIP = $(VENV)/bin/pip
 PYTHON = $(VENV)/bin/python
 PYTEST = $(VENV)/bin/py.test

demo/moulinrouge.py

@@ -36,7 +36,7 @@
     handler.setLevel(logging.DEBUG)
     app.logger.setLevel(logging.DEBUG)
     logging.getLogger('werkzeug').setLevel(logging.DEBUG)
-except:
+except Exception:
     pass
 
 try:

demo/moulinrouge/__init__.py

@@ -16,18 +16,19 @@
 #
 # You should have received a copy of the GNU Lesser General Public License
 # along with pygal. If not, see <http://www.gnu.org/licenses/>.
-from flask import Flask, render_template, Response, request
+import pickle
+import random
+import string
+from base64 import urlsafe_b64decode as b64decode
+from base64 import urlsafe_b64encode as b64encode
+
+from flask import Flask, Response, render_template, request
+
 import pygal
 from pygal.config import Config
-from pygal.util import cut
 from pygal.etree import etree
-from pygal.style import styles, parametric_styles
-from base64 import (
-    urlsafe_b64encode as b64encode, urlsafe_b64decode as b64decode
-)
-import string
-import random
-import pickle
+from pygal.style import parametric_styles, styles
+from pygal.util import cut
 
 
 def get(type):

demo/moulinrouge/tests.py

@@ -4,10 +4,30 @@
 from random import choice, randint
 
 from flask import abort
+
 from pygal import (
-    CHARTS_BY_NAME, XY, Bar, Box, Config, DateLine, DateTimeLine, Dot, Funnel,
-    Gauge, Histogram, HorizontalBar, Line, Pie, Pyramid, Radar, SolidGauge,
-    StackedBar, StackedLine, TimeLine, Treemap, formatters, stats
+    CHARTS_BY_NAME,
+    XY,
+    Bar,
+    Box,
+    Config,
+    DateLine,
+    DateTimeLine,
+    Dot,
+    Funnel,
+    Gauge,
+    Histogram,
+    Line,
+    Pie,
+    Pyramid,
+    Radar,
+    SolidGauge,
+    StackedBar,
+    StackedLine,
+    TimeLine,
+    Treemap,
+    formatters,
+    stats,
 )
 from pygal.colors import rotate
 from pygal.graph.horizontal import HorizontalGraph
@@ -706,7 +726,7 @@ def test_swissmap():
         smap.add(
             'links', [{
                 'value': ('kt-vs', 10),
-                'label': '\o/',
+                'label': r'\o/',
                 'xlink': 'http://google.com?q=69'
             }, {
                 'value': ('bt', 20),
@@ -731,7 +751,7 @@ def test_frenchmapregions():
         fmap.add(
             'links', [{
                 'value': ('02', 10),
-                'label': '\o/',
+                'label': r'\o/',
                 'xlink': 'http://google.com?q=69'
             }, {
                 'value': ('72', 20),
@@ -1029,7 +1049,7 @@ def test_rotations_for(chart):
     @app.route('/test/datetimeline')
     def test_datetimeline():
         line = DateTimeLine()
-        from datetime import timezone, timedelta
+        from datetime import timedelta, timezone
         tz7 = timezone(timedelta(hours=7), 'GMT +7')
         tzn4 = timezone(timedelta(hours=-4), 'GMT -4')
 
@@ -1069,7 +1089,6 @@ def test_order_min():
 
     @app.route('/test/custom_css_file')
     def test_custom_css_file():
-        from tempfile import NamedTemporaryFile
         custom_css = '''
           {{ id }}text {
             fill: green;