fix: Add PostgreSQL support for Django 6.0 compatibility

.github/workflows/test.yml

@@ -5,8 +5,25 @@ jobs:
   build:
     name: Execute tests
     runs-on: ubuntu-latest
+
+    services:
+      postgres:
+        image: postgres:17
+        env:
+          POSTGRES_PASSWORD: postgres
+          POSTGRES_DB: test_db
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+        ports:
+          - 5432:5432
+
     env:
       DJANGO_SETTINGS_MODULE: pythonie.settings.tests
+      DATABASE_URL: postgresql://postgres:postgres@localhost:5432/test_db
+
     steps:
       - uses: actions/checkout@v2
       - name: Set Up Python 3.12
@@ -16,7 +33,7 @@ jobs:
       - name: Install the dependencies
         run: |
           python -m pip install --upgrade pip setuptools uv
-          python -m uv pip install -r requirements/main.txt -r requirements/dev.txt
+          python -m uv pip install -r requirements/main.txt -r requirements/dev.txt -r requirements/production.txt
       - name: Run the tests
         run: |
           python pythonie/manage.py test pythonie --verbosity=2

pythonie/pythonie/settings/base.py

@@ -43,6 +43,7 @@
     "django.contrib.sessions",
     "django.contrib.messages",
     "django.contrib.staticfiles",
+    "django.contrib.postgres",
     "compressor",
     "taggit",
     "modelcluster",

pythonie/pythonie/settings/tests.py

@@ -10,13 +10,17 @@
 
 EMAIL_BACKEND = "django.core.mail.backends.console.EmailBackend"
 
-# SQLite (simplest install)
-DATABASES = {
-    "default": {
-        "ENGINE": "django.db.backends.sqlite3",
-        "NAME": join(PROJECT_ROOT, "db.sqlite3"),
+# Use PostgreSQL if DATABASE_URL is set (for CI), otherwise use SQLite (for local tests)
+if os.getenv("DATABASE_URL"):
+    DATABASES = {"default": dj_database_url.config(conn_max_age=500)}
+else:
+    # SQLite (simplest install for local development)
+    DATABASES = {
+        "default": {
+            "ENGINE": "django.db.backends.sqlite3",
+            "NAME": join(PROJECT_ROOT, "db.sqlite3"),
+        }
     }
-}
 
 LOGGING.update(
     {

requirements/dev.txt

@@ -24,7 +24,7 @@ defusedxml==0.7.1
     # via
     #   -c requirements/main.txt
     #   py-serializable
-django==5.2.9
+django==6.0
     # via
     #   -c requirements/main.txt
     #   django-debug-toolbar

requirements/main.in

@@ -15,6 +15,7 @@ django-storages
 django-taggit
 gunicorn
 pandas
+psycopg[binary]
 pydantic
 python-dateutil
 pytz

requirements/main.txt

@@ -32,7 +32,7 @@ dj-database-url==3.0.1
     # via -r requirements/main.in
 dj-static==0.0.6
     # via -r requirements/main.in
-django==5.2.9
+django==6.0
     # via
     #   -r requirements/main.in
     #   dj-database-url
@@ -123,6 +123,10 @@ pillow==12.0.0
     #   wagtail
 pillow-heif==1.1.1
     # via willow
+psycopg==3.3.2
+    # via -r requirements/main.in
+psycopg-binary==3.3.2
+    # via psycopg
 pydantic==2.12.5
     # via -r requirements/main.in
 pydantic-core==2.41.5
@@ -167,6 +171,7 @@ typing-extensions==4.15.0
     #   beautifulsoup4
     #   django-stubs-ext
     #   django-tasks
+    #   psycopg
     #   pydantic
     #   pydantic-core
     #   typing-inspection

requirements/production.in

@@ -1,4 +1,2 @@
-# This file was autogenerated by uv via the following command:
-#    uv pip compile --output-file requirements/production.in requirements/production.txt
--c main.txt
-psycopg[binary]
+# production.in
+-c main.txt

requirements/production.txt

@@ -1,10 +1,2 @@
 # This file was autogenerated by uv via the following command:
 #    uv pip compile --output-file requirements/production.txt requirements/production.in
-psycopg==3.2.13
-    # via -r requirements/production.in
-psycopg-binary==3.2.13
-    # via psycopg
-typing-extensions==4.15.0
-    # via
-    #   -c requirements/main.txt
-    #   psycopg