Run django-upgrade and linting on CI

.github/workflows/lint.yml

@@ -0,0 +1,22 @@
+name: Lint
+
+on: [push, pull_request, workflow_dispatch]
+
+permissions: {}
+
+env:
+  FORCE_COLOR: 1
+  RUFF_OUTPUT_FORMAT: github
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          persist-credentials: false
+      - uses: actions/setup-python@v6
+        with:
+          python-version: "3.x"
+      - uses: j178/prek-action@v1

.pre-commit-config.yaml

@@ -0,0 +1,34 @@
+repos:
+  - repo: https://github.com/adamchainz/django-upgrade
+    rev: 1.29.1
+    hooks:
+      - id: django-upgrade
+        args: [--target-version=4.2]
+
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v6.0.0
+    hooks:
+      - id: check-case-conflict
+      - id: check-merge-conflict
+      - id: check-json
+      - id: check-yaml
+      - id: debug-statements
+
+  - repo: https://github.com/python-jsonschema/check-jsonschema
+    rev: 0.34.0
+    hooks:
+      - id: check-dependabot
+      - id: check-github-workflows
+
+  - repo: https://github.com/rhysd/actionlint
+    rev: v1.7.7
+    hooks:
+      - id: actionlint
+
+  - repo: meta
+    hooks:
+      - id: check-hooks-apply
+      - id: check-useless-excludes
+
+ci:
+  autoupdate_schedule: quarterly

pydotorg/urls.py

@@ -19,9 +19,9 @@
     path('', views.IndexView.as_view(), name='home'),
     re_path(r'^_health/?', views.health, name='health'),
     path('authenticated', views.AuthenticatedView.as_view(), name='authenticated'),
-    re_path(r'^humans.txt$', TemplateView.as_view(template_name='humans.txt', content_type='text/plain')),
-    re_path(r'^robots.txt$', TemplateView.as_view(template_name='robots.txt', content_type='text/plain')),
-    re_path(r'^funding.json$', views.serve_funding_json, name='funding_json'),
+    path('humans.txt', TemplateView.as_view(template_name='humans.txt', content_type='text/plain')),
+    path('robots.txt', TemplateView.as_view(template_name='robots.txt', content_type='text/plain')),
+    path('funding.json', views.serve_funding_json, name='funding_json'),
     path('shell/', TemplateView.as_view(template_name="python/shell.html"), name='shell'),
 
     # python section landing pages

sponsors/admin.py

@@ -201,6 +201,7 @@ def get_prepopulated_fields(self, request, obj=None):
             return {'slug': ['name']}
         return {}
 
+    @admin.display(description="Revenue split")
     def get_benefit_split(self, obj: SponsorshipPackage) -> str:
         colors = [
             "#ffde57",  # Python Gold
@@ -223,7 +224,6 @@ def get_benefit_split(self, obj: SponsorshipPackage) -> str:
         html = f"<div style='{style}'>{''.join(spans)}</div>"
         return mark_safe(html)
 
-    get_benefit_split.short_description = "Revenue split"
 
 
 class SponsorContactInline(admin.TabularInline):

successstories/tests/test_models.py

@@ -21,7 +21,7 @@ def test_draft(self):
     def test_featured(self):
         featured_stories = Story.objects.featured()
         expected_repr = [f'<Story: {self.story3.name}>']
-        self.assertQuerysetEqual(featured_stories, expected_repr, transform=repr)
+        self.assertQuerySetEqual(featured_stories, expected_repr, transform=repr)
 
     def test_get_admin_url(self):
         self.assertEqual(self.story1.get_admin_url(),