Upgrade to newest ruff

Ruff version 0.2 has a number of bugfixes & optimizations, but also
changes the structure of pyproject.toml -- we can upgrade straight to
0.3.5.

pyproject.toml

@@ -1,5 +1,5 @@
 [tool.ruff]
-select = [
+lint.select = [
   "A",     # flake8-builtins
   "ANN",   # flake8-annotations
   "ARG",   # flake8-unused-arguments
@@ -65,7 +65,7 @@ select = [
   # "NPY",   # NumPy-specific rules -- I don't use numpy
 ]
 
-ignore = [
+lint.ignore = [
   # Specific rules ignored from checkers I otherwise view as valuable:
   "ANN001",   # Type annotations are knowingly incomplete.
   "ANN002",   # Type annotations are knowingly incomplete.
@@ -113,10 +113,10 @@ exclude = [
   "static/",
 ]
 
-fixable = ["ALL"]
-unfixable = []
+lint.fixable = ["ALL"]
+lint.unfixable = []
 
-[tool.ruff.flake8-self]
+[tool.ruff.lint.flake8-self]
 ignore-names = [
   "_asdict",
   "_replace",

ws/car_states.py

@@ -3,6 +3,7 @@
 We used to rely on `localflavor` for this, but given that plates are
 the *only* use for this enum, it's easy/simple to just enumerate.
 """
+
 from typing import Final
 
 US_STATES: Final[tuple[tuple[str, str], ...]] = (

ws/conf/local_settings.py

@@ -1,10 +1,11 @@
 """Local settings, intended for use on a local computer for basic feature testing.
 
-  - Exposed secret key
-  - DEBUG enabled
-  - Project root is just '/'
-  - Send emails to console
+- Exposed secret key
+- DEBUG enabled
+- Project root is just '/'
+- Send emails to console
 """
+
 from typing import Any
 
 DEBUG = True

ws/conf/test_settings.py

@@ -2,6 +2,7 @@
 
 Intended to mirror production as much as is possible.
 """
+
 from typing import Any
 
 DEBUG = False

ws/merge.py

@@ -8,6 +8,7 @@
 account where they can log in with either email address, and get access to a
 complete history.
 """
+
 from collections.abc import Iterable
 from typing import cast
 

ws/messages/__init__.py

@@ -2,6 +2,7 @@
 
 Some messages may be called on *every* request, others as needed.
 """
+
 from django.contrib import messages
 from django.contrib.messages.storage.base import Message
 from django.http import HttpRequest

ws/messages/leader.py

@@ -1,4 +1,5 @@
 """Messages for leaders!"""
+
 from datetime import timedelta
 
 from django.contrib import messages

ws/mixins.py

@@ -1,4 +1,5 @@
 """Mixins used across multiple views."""
+
 from datetime import timedelta
 
 from django.contrib.auth.decorators import login_required

ws/signals/signup_signals.py

@@ -1,4 +1,5 @@
 """Handle aspects of trip creation/modification when receiving signup changes."""
+
 # Signals are a terrible pattern that I aim to replace eventually.
 # Ruff will complain about the large number of arguments. We can ignore for now.
 # ruff: noqa: PLR0913

ws/unsubscribe.py

@@ -3,6 +3,7 @@
 Ideally, participants just control their email preferences directly.
 However, we provide this method for single-click unsubscribe links.
 """
+
 import enum
 from datetime import timedelta
 from typing import NamedTuple, TypedDict

ws/utils/dates.py

@@ -1,4 +1,5 @@
 """Some shortcuts to retrieve meaningful dates."""
+
 from datetime import date, datetime, time, timedelta
 
 from django.utils import timezone

ws/utils/geardb.py

@@ -3,6 +3,7 @@
 The gear database is itself a Django application, which we interface with
 via machine-to-machine API endpoints.
 """
+
 import logging
 from collections.abc import Iterable, Iterator
 from datetime import date, datetime, timedelta

ws/utils/member_sheets.py

@@ -6,6 +6,7 @@
 spreadsheets. Each spreadsheet will be shared with the company offering the
 discount, so that they can verify membership status.
 """
+
 import bisect
 import logging
 import random

ws/utils/membership_api.py

@@ -15,6 +15,7 @@
         'status': 'Missing',
     }
 """
+
 from datetime import date
 from typing import Any, Literal, TypedDict
 

ws/views/account.py

@@ -1,4 +1,5 @@
 """Views relating to account management."""
+
 import logging
 from urllib.parse import urlencode
 

ws/views/applications.py

@@ -4,6 +4,7 @@
 and activity chairs can respond to those applications with recommendations
 and/or ratings.
 """
+
 from collections import defaultdict
 from collections.abc import Iterator, Mapping
 

ws/views/itinerary.py

@@ -4,6 +4,7 @@
 That itinerary specifies who (if anybody) will be driving for the trip,
 what the intended route will be, when to worry, and more.
 """
+
 from django.contrib.auth.decorators import login_required
 from django.core.exceptions import PermissionDenied
 from django.db.models import Q

ws/views/leaders.py

@@ -5,6 +5,7 @@
 
 For views relating to the leader application process, see ws.views.applications
 """
+
 from django.contrib import messages
 from django.core.exceptions import PermissionDenied
 from django.db.models import Max

ws/views/participant.py

@@ -4,6 +4,7 @@
 user who has completed the mandatory signup information is given a Participant
 object that's linked to their user account.
 """
+
 import logging
 from typing import Any, Literal, TypedDict, cast
 

ws/views/preferences.py

@@ -4,6 +4,7 @@
 paired with another participant. All of these options are deemed "preferences"
 of the participant.
 """
+
 import contextlib
 import json
 from datetime import datetime

ws/views/trips.py

@@ -3,6 +3,7 @@
 A "trip" is any official trip registered in the system - created by leaders, to be
 attended by any interested participants.
 """
+
 from collections import defaultdict
 from datetime import date, timedelta
 from typing import TYPE_CHECKING, Any, cast

ws/views/winter_school.py

@@ -5,6 +5,7 @@
 Winter School. This module contains those views. The majority of the system
 works the same during Winter School as it does during the rest of the year.
 """
+
 from django.contrib import messages
 from django.shortcuts import redirect
 from django.urls import reverse