offloaded some apps.lyric.views responsibilities to new Celery depend fn in .tasks; core.celery created for celery config; CELERY_BROKER_URL added to .settings & throughout project; some lyric view IT responsibility now accordingly covered by task UT domain

.woodpecker.yaml

@@ -6,11 +6,15 @@ services:
       POSTGRES_USER: postgres
       POSTGRES_PASSWORD: postgres
 
+  - name: redis
+    image: redis:7
+
 steps:
   - name: test-UTs-n-ITs
     image: python:3.13-slim
     environment:
       DATABASE_URL: postgresql://postgres:postgres@postgres/python_tdd_test
+      CELERY_BROKER_URL: redis://redis:6379/0
     commands:
       - pip install -r requirements.txt
       - cd ./src
@@ -22,6 +26,7 @@ steps:
     image: gitea.earthmanrpg.me/discoman/python-tdd-ci:latest
     environment:
       HEADLESS: 1
+      CELERY_BROKER_URL: redis://redis:6379/0
     commands:
       - pip install -r requirements.txt
       - cd ./src

infra/deploy-playbook.yaml

@@ -114,6 +114,15 @@
           POSTGRES_USER: gamearray
           POSTGRES_PASSWORD: "{{ postgres_password }}"
 
+    - name: Start Redis container
+      community.docker.docker_container:
+        name: gamearray_redis
+        image: redis:7
+        state: started
+        restart_policy: unless-stopped
+        networks:
+          - name: gamearray_net
+
     - name: Run container
       community.docker.docker_container:
         name: gamearray
@@ -126,11 +135,30 @@
           DJANGO_ALLOWED_HOST: "{{ django_allowed_host }}"
           DATABASE_URL: "postgresql://gamearray:{{ postgres_password }}@gamearray_postgres/gamearray"
           MAILGUN_API_KEY: "{{  mailgun_api_key }}"
+          CELERY_BROKER_URL: "redis://gamearray_redis:6379/0"
         networks:
           - name: gamearray_net
         ports:
           127.0.0.1:8888:8888
 
+    - name: Start Celery worker container
+      community.docker.docker_container:
+        name: gamearray_celery
+        image: gitea.earthmanrpg.me/discoman/gamearray:latest
+        state: started
+        recreate: true
+        env:
+          DJANGO_DEBUG_FALSE: "1"
+          DJANGO_SECRET_KEY: "{{ secret_key.content | b64decode }}"
+          DJANGO_ALLOWED_HOST: "{{ django_allowed_host }}"
+          DATABASE_URL: "postgresql://gamearray:{{ postgres_password }}@gamearray_postgres/gamearray"
+          MAILGUN_API_KEY: "{{  mailgun_api_key }}"
+          CELERY_BROKER_URL: "redis://gamearray_redis:6379/0"
+        networks:
+          - name: gamearray_net
+        command: "python -m celery -A core worker -l info"
+
+
     - name: Create static files directory
       ansible.builtin.file:
         path: /var/www/gamearray/static

infra/deploy.sh.j2

@@ -17,6 +17,16 @@ docker run -d --name gamearray \
     -p 127.0.0.1:8888:8888 \
     "$IMAGE"
 
+echo "==> Stopping old celery worker..."
+docker stop gamearray_celery 2>/dev/null || true
+docker rm gamearray_celery 2>/dev/null || true
+
+echo "==> Starting new celery worker..."
+docker run -d --name gamearray_celery \
+    --env-file /opt/gamearray/gamearray.env \
+    --network gamearray_net \
+    "$IMAGE" python -m celery -A core worker -l info
+
 echo "==> Running migrations..."
 docker exec gamearray python ./manage.py migrate
 

infra/gamearray.env.j2

@@ -3,3 +3,4 @@ DJANGO_SECRET_KEY={{ secret_key.content | b64decode }}
 DJANGO_ALLOWED_HOST={{ django_allowed_host }}
 DATABASE_URL=postgresql://gamearray:{{ postgres_password }}@gamearray_postgres/gamearray
 MAILGUN_API_KEY={{ mailgun_api_key }}
+CELERY_BROKER_URL=redis://gamearray_redis:6379/0

requirements.txt

@@ -1,3 +1,4 @@
+celery
 cssselect==1.3.0
 Django==6.0
 dj-database-url
@@ -7,5 +8,6 @@ djangorestframework
 gunicorn==23.0.0
 lxml==6.0.2
 psycopg2-binary
+redis
 requests==2.31.0
 whitenoise==6.11.0

src/apps/lyric/tasks.py

@@ -0,0 +1,24 @@
+import requests
+
+from celery import shared_task
+from django.conf import settings
+
+
+@shared_task
+def send_login_email_task(email, url):
+    message_body = f"Use this magic link to login to your Dashboard:\n\n{url}"
+    # Send mail via Mailgun HTTP API
+    response = requests.post(
+        f"https://api.mailgun.net/v3/{settings.MAILGUN_DOMAIN}/messages",
+        auth=("api", settings.MAILGUN_API_KEY),
+        data={
+            "from": "adman@howdy.earthmanrpg.com",
+            "to": email,
+            "subject": "A magic login link to your Dashboard",
+            "text": message_body,
+        }
+    )
+
+    # Log any errors
+    if response.status_code != 200:
+        print(f"Mailgun API error: {response.status_code}: {response.text}")

src/apps/lyric/tests/integrated/test_views.py

@@ -5,27 +5,23 @@ from unittest import mock
 from apps.lyric.models import Token
 
 
-
+@mock.patch("apps.lyric.views.send_login_email_task.delay")
 class SendLoginEmailViewTest(TestCase):
-    def test_redirects_to_home_page(self):
+    def test_redirects_to_home_page(self, mock_delay):
         response = self.client.post(
             "/apps/lyric/send_login_email", data={"email": "discoman@example.com"}
         )
         self.assertRedirects(response, "/")
 
-    @mock.patch("apps.lyric.views.requests.post")
-    def test_sends_mail_to_address_from_post(self, mock_post):
+    def test_sends_mail_to_address_from_post(self, mock_delay):
         self.client.post(
             "/apps/lyric/send_login_email", data={"email": "discoman@example.com"}
         )
 
-        self.assertEqual(mock_post.called, True)
-        data = mock_post.call_args.kwargs["data"]
-        self.assertEqual(data["subject"], "A magic login link to your Dashboard")
-        self.assertEqual(data["from"], "adman@howdy.earthmanrpg.com")
-        self.assertEqual(data["to"], "discoman@example.com")
+        self.assertEqual(mock_delay.called, True)
+        self.assertEqual(mock_delay.call_args.args[0], "discoman@example.com")
 
-    def test_adds_success_message(self):
+    def test_adds_success_message(self, mock_delay):
         response = self.client.post(
             "/apps/lyric/send_login_email",
             data={"email": "discoman@example.com"},
@@ -39,24 +35,21 @@ class SendLoginEmailViewTest(TestCase):
         )
         self.assertEqual(message.tags, "success")
 
-    def test_creates_token_associated_with_email(self):
+    def test_creates_token_associated_with_email(self, mock_delay):
         self.client.post(
             "/apps/lyric/send_login_email", data={"email": "discoman@example.com"}
         )
         token = Token.objects.get()
         self.assertEqual(token.email, "discoman@example.com")
         
-
-    @mock.patch("apps.lyric.views.requests.post")
-    def test_sends_link_to_login_using_token_uid(self, mock_post):
+    def test_sends_link_to_login_using_token_uid(self, mock_delay):
         self.client.post(
             "/apps/lyric/send_login_email", data={"email": "discoman@example.com"}
         )
 
         token = Token.objects.get()
         expected_url = f"http://testserver/apps/lyric/login?token={token.uid}"
-        data = mock_post.call_args.kwargs["data"]
-        self.assertIn(expected_url, data["text"])
+        self.assertEqual(mock_delay.call_args.args[1], expected_url)
 
 class LoginViewTest(TestCase):
     def test_redirects_to_home_page(self):

src/apps/lyric/tests/unit/test_tasks.py

@@ -0,0 +1,16 @@
+from django.test import SimpleTestCase
+from unittest import mock
+
+from apps.lyric.tasks import send_login_email_task
+
+
+class SendLoginEmailTaskTest(SimpleTestCase):
+    @mock.patch("apps.lyric.tasks.requests.post")
+    def test_sends_mail_via_mailgun(self, mock_post):
+        send_login_email_task("discoman@example.com", "http://example.com/login?token=abc123")
+        self.assertEqual(mock_post.called, True)
+        data = mock_post.call_args.kwargs["data"]
+        self.assertEqual(data["subject"], "A magic login link to your Dashboard")
+        self.assertEqual(data["from"], "adman@howdy.earthmanrpg.com")
+        self.assertEqual(data["to"], "discoman@example.com")
+        self.assertIn("http://example.com/login?token=abc123", data["text"])

src/apps/lyric/views.py

@@ -1,10 +1,10 @@
-import requests
 from django.contrib import auth, messages
-from django.conf import settings
-# from django.core.mail import send_mail
 from django.shortcuts import redirect
 from django.urls import reverse
+
 from .models import Token
+from .tasks import send_login_email_task
+
 
 def send_login_email(request):
     email = request.POST["email"]
@@ -12,26 +12,13 @@ def send_login_email(request):
     url = request.build_absolute_uri(
         reverse("login") + "?token=" + str(token.uid),
     )
-    message_body = f"Use this magic link to login to your Dashboard:\n\n{url}"
-    # Send mail via Mailgun HTTP API
-    response = requests.post(
-        f"https://api.mailgun.net/v3/{settings.MAILGUN_DOMAIN}/messages",
-        auth=("api", settings.MAILGUN_API_KEY),
-        data={
-            "from": "adman@howdy.earthmanrpg.com",
-            "to": email,
-            "subject": "A magic login link to your Dashboard",
-            "text": message_body,
-        },
-    )
-    # Log any errors
-    if response.status_code != 200:
-        print(f"Mailgun API error: {response.status_code}: {response.text}")
 
+    send_login_email_task.delay(email, url)
     messages.success(
         request,
         "Check your email!—there you'll find a magic login link. But hurry… it's only temporary!",
     )
+
     return redirect("/")
 
 def login(request):

src/core/__init__.py

@@ -0,0 +1,3 @@
+from .celery import app as celery_app
+
+__all__ = ("celery_app",)

src/core/celery.py

@@ -0,0 +1,10 @@
+import os
+
+from celery import Celery
+
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'core.settings')
+
+app = Celery('core')
+app.config_from_object('django.conf:settings', namespace='CELERY')
+app.autodiscover_tasks()

src/core/settings.py

@@ -109,6 +109,8 @@ else:
         }
     }
 
+# Celery
+CELERY_BROKER_URL = os.environ.get('CELERY_BROKER_URL', 'redis://localhost:6379/0')
 
 # Password validation
 # https://docs.djangoproject.com/en/6.0/ref/settings/#auth-password-validators