lint: replace flake8 with ruff

.git-blame-ignore-revs

@@ -0,0 +1,10 @@
+# When making commits that are strictly formatting/style changes, add the
+# commit hash here, so git blame can ignore the change.
+#
+# For more details, see:
+# https://git-scm.com/docs/git-config#Documentation/git-config.txt-blameignoreRevsFile
+
+0dcb6dd5973796cf12be34fdfd9fa761a6ba22d9  # isort
+ef09dbe9a03ebf4f649fd8830224a6c93ab422e7  # pep-naming
+e1dad3a0ca41d3f312f5be423711f577fd804f2f  # bugbear
+399a7d64ddc2c2c857670c69890c24de8ba98610  # pyupgrade

.github/workflows/ci.yaml

@@ -51,9 +51,9 @@ jobs:
       with:
         cmd: install
 
-    - name: Run Flake8 on src
+    - name: Run ruff on src
       run: |
-        poetry run flake8 --config src/.flake8 src 
+        poetry run ruff check src
 
     - name: Run DB migration for test
       run: |

pyproject.toml

@@ -38,15 +38,52 @@ Pillow = "10.3.0"
 [tool.poetry.group.dev.dependencies]
 cssselect = "1.2.0"
 django-debug-toolbar = "4.3.0"
-flake8 = "7.0.0"
 pytest = "8.1.1"
 pytest-cov = "5.0.0"
 pytest-django = "4.8.0"
 pytest-mock = "3.14.0"
 pytest-xdist = "3.5.0"
+ruff = "0.3.5"
 Werkzeug = "3.0.2"
 
 
+[tool.ruff]
+exclude = [
+    ".git",
+    "__pycache__",
+    "migrations"
+]
+line-length = 120
+
+[tool.ruff.lint]
+ignore = [
+    "E251",
+]
+select = [
+    "E",  # pycodestyle error
+    "W",  # pycodestyle warning
+    "F",  # Pyflakes
+    "I001", # isort
+    "N", # pep8-naming
+    "B",  # bugbear
+    "UP",  # pyupgrade
+]
+
+[tool.ruff.lint.isort]
+known-first-party = [
+    "attendee",
+    "ccip",
+    "core",
+    "events",
+    "postgres",
+    "proposals",
+    "pycontw2016",
+    "reviews",
+    "sponsors",
+    "users"
+]
+
+
 [build-system]
 requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"

src/attendee/api/urls.py

@@ -2,7 +2,6 @@
 
 from attendee.api.views import AttendeeAPIView
 
-
 urlpatterns = [
     path('verify/', AttendeeAPIView.as_view()),
 ]

src/attendee/api/views.py

@@ -1,11 +1,11 @@
 from django.conf import settings
 from registry.helper import reg
-from rest_framework import views, status
-from rest_framework.response import Response
+from rest_framework import status, views
 from rest_framework.permissions import IsAuthenticated
+from rest_framework.response import Response
 
-from core.authentication import TokenAuthentication
 from attendee.models import Attendee
+from core.authentication import TokenAuthentication
 
 
 class AttendeeAPIView(views.APIView):

src/attendee/tests.py

@@ -1,6 +1,7 @@
 import pytest
 from django.conf import settings
 from registry.helper import reg
+
 from attendee.models import Attendee
 from core.models import Token
 

src/ccip/views.py

@@ -1,18 +1,20 @@
 import operator
-from datetime import timezone, timedelta
+from datetime import timedelta, timezone
 
 from django.http import JsonResponse
 from django.templatetags.static import static
 from django.utils import translation
 from django.utils.encoding import force_str
 from django.utils.translation import pgettext_lazy
-from django.views.generic import View, TemplateView
+from django.views.generic import TemplateView, View
 
 from core.utils import TemplateExistanceStatusResponse
 from core.views import IndexView
 from events.models import (
-    CustomEvent, KeynoteEvent,
-    ProposedTalkEvent, ProposedTutorialEvent,
+    CustomEvent,
+    KeynoteEvent,
+    ProposedTalkEvent,
+    ProposedTutorialEvent,
     SponsoredEvent,
 )
 from proposals.models import PrimarySpeaker
@@ -43,8 +45,8 @@ def _iter_translations(value):
 
 def _transform_translatable(key, value):
     data = {'id': key}
-    for code, value in _iter_translations(value):
-        data[code] = {'name': value}
+    for code, val in _iter_translations(value):
+        data[code] = {'name': val}
     return data
 
 
@@ -75,8 +77,7 @@ def __bool__(self):
 
     @property
     def speakers(self):
-        for s in self._speakers:
-            yield s
+        yield from self._speakers
 
 
 def _get_empty_event_info(event):
@@ -167,15 +168,15 @@ def _transform_session(request, event, type_key, info_getter):
         for speaker in event_info.speakers
     ]
 
-    LOCAL_TIMEZONE = timezone(offset=timedelta(hours=8))
+    local_timezone = timezone(offset=timedelta(hours=8))
     # Explicitly show the local timezone used by OPass(CCIP)
     # to avoid iOS device showing UTC+0 time without changing it to local time
     # https://github.com/CCIP-App/CCIP-iOS/issues/54
     session = {
         'id': f'{type_key}-{event_info.pk}',
         'type': type_key,
-        'start': event.begin_time.value.astimezone(LOCAL_TIMEZONE).isoformat() if event.begin_time else None,
-        'end': event.end_time.value.astimezone(LOCAL_TIMEZONE).isoformat() if event.end_time else None,
+        'start': event.begin_time.value.astimezone(local_timezone).isoformat() if event.begin_time else None,
+        'end': event.end_time.value.astimezone(local_timezone).isoformat() if event.end_time else None,
         'slide': event_info.slide_link,
         'speakers': [speaker['id'] for speaker in speakers],
         'tags': [tag['id'] for tag in tags],

src/conftest.py

@@ -1,12 +1,11 @@
 import collections
-import six
 
 import pytest
-
+import six
+from django.conf import settings
 from django.contrib.auth import get_user_model
 from django.contrib.auth.models import AnonymousUser
 from django.test.html import parse_html
-from django.conf import settings
 from rest_framework.test import APIClient
 
 from proposals.models import TalkProposal

src/core/admin.py

@@ -1,9 +1,8 @@
-from django.contrib import admin
 from django.conf import settings
+from django.contrib import admin
 from django.utils.translation import gettext_lazy as _
-
-from registry.models import Entry
 from registry.admin import EntryAdmin
+from registry.models import Entry
 
 
 class CurrentConferenceFilter(admin.filters.SimpleListFilter):

src/core/context_processors.py

@@ -9,7 +9,7 @@
 
 
 def _build_google_form_url(uid):
-    return 'https://docs.google.com/forms/d/e/{uid}/viewform'.format(uid=uid)
+    return f'https://docs.google.com/forms/d/e/{uid}/viewform'
 
 
 def script_prefix(request):

src/core/difftools.py

@@ -91,12 +91,12 @@ def dump_equal(a, b, loa, lob, hia, hib):
 
 def dump_delete(a, b, loa, lob, hia, hib):
     for line in a[loa:hia]:
-        yield mark_safe('<del>{}</del>'.format(conditional_escape(line)))
+        yield mark_safe(f'<del>{conditional_escape(line)}</del>')
 
 
 def dump_insert(a, b, loa, lob, hia, hib):
     for line in b[lob:hib]:
-        yield mark_safe('<ins>{}</ins>'.format(conditional_escape(line)))
+        yield mark_safe(f'<ins>{conditional_escape(line)}</ins>')
 
 
 BLOCK_HANDLERS = {

src/core/middlewares.py

@@ -1,9 +1,8 @@
 import re
 
 from django.conf import settings
-from django.urls import get_script_prefix
 from django.http import HttpResponseRedirect
-
+from django.urls import get_script_prefix
 
 # Matches things like
 #   /en

src/core/models.py

@@ -7,14 +7,14 @@
 from django.utils.translation import gettext_lazy as _
 
 from .choices import (
+    ATTEND_IN_PERSON,
     CATEGORY_CHOICES,
     LANGUAGE_CHOICES,
+    LIVE_STREAM_POLICY_CHOICES,
+    LIVING_IN_TAIWAN_CHOICES,
     PYTHON_LVL_CHOICES,
     RECORDING_POLICY_CHOICES,
-    LIVING_IN_TAIWAN_CHOICES,
-    LIVE_STREAM_POLICY_CHOICES,
     REFERRING_POLICY_CHOICES,
-    ATTEND_IN_PERSON,
 )
 from .validators import EAWMaxLengthValidator
 
@@ -224,7 +224,7 @@ class Meta:
     def save(self, *args, **kwargs):
         if not self.key:
             self.key = self.generate_key()
-        return super(Token, self).save(*args, **kwargs)
+        return super().save(*args, **kwargs)
 
     @classmethod
     def generate_key(cls):

src/core/templatetags/i18n_plus.py

@@ -1,6 +1,5 @@
-from django.urls import get_script_prefix
 from django.template import Library
-
+from django.urls import get_script_prefix
 
 register = Library()
 

src/core/templatetags/pycontw_tools.py

@@ -2,7 +2,6 @@
 
 from django.template import Library
 
-
 register = Library()
 
 

src/core/tests/test_middlewares.py

@@ -1,5 +1,4 @@
 import pytest
-
 from django.test import override_settings