Resolve "Provide base templates for e-mails generated by apps"

Closes #439 (closed)

aleksis/core/templates/templated_email/celery_failure.email

+{% extends "templated_email/base.email" %}
 {% load i18n %}
-{% extends "base.html" %}
-{% block subject %}
- {% blocktrans with task_name=task_name%} Celery task {{ task_name }} failed!{% endblocktrans %}
-{% endblock %}
 
-{% block plain %}
- {% blocktrans with task_name=task_name %}
-   the celery task {{ task_name }} failed with following information:
- {% endblocktrans %}
+{% block subject_content %}{% blocktrans with task_name=task_name %}Celery task {{ task_name }} failed!{% endblocktrans %}{% endblock %}
 
+{% block plain_content %}
+{% blocktrans with task_name=task_name %}the celery task {{ task_name }} failed with following information:{% endblocktrans %}
 
-{% blocktrans with task_name=task_name task=task task_id=task_id exception=exception args=args kwargs=kwargs traceback=traceback %}
- * Task name: {{task_name}}
- * Task: {{task}}
- * Id of the task: {{task_id}}
- * Exception instance raised: {{ exception }}
- * Positional arguments the task was called with: {{ args }}
- * Keyword arguments the task was called with: {{ kwargs }}
- * Stack trace object: {{ traceback }}
-{% endblocktrans %}
-{% endblock %}
+  * {% trans "Task" %}: {{ task_name }}
+  * {% trans "Task ID" %}: {{ task_id }}
+  * {% trans "Raised exception" %}: {{ exception }}
+  * {% trans "Positional arguments" %}:
+    {% for arg in args %}- {{ arg }}
+    {% endfor %}
+  * {% trans "Keyword arguments" %}:
+    {% for key, value in kwargs.items %}- {{ key }}: {{ value }}
+    {% endfor %}
+{{ traceback }}{% endblock %}
+
+{% block html_content %}
+  <p>
+    {% blocktrans with task_name=task_name %}
+      the celery task {{ task_name }} failed with following information:
+    {% endblocktrans %}
+  </p>
 
-{% block html %}
- <p>
-  {% blocktrans with task_name=task_name %}
-    the celery task {{ task_name }} failed with following information:
-  {% endblocktrans %}
- </p>
+  <ul>
+      <li>{% trans "Task" %}: {{ task_name }}</li>
+      <li>{% trans "Task ID" %}: {{ task_id }}</li>
+      <li>{% trans "Raised exception" %}: {{ exception }}</li>
+      <li>{% trans "Positional arguments" %}:
+        <ol>
+          {% for arg in args %}
+            <li>{{ arg }}</li>
+          {% endfor %}
+        </ol>
+      </li>
+      <li>{% trans "Keyword arguments" %}:
+        <ul>
+          {% for key, value in kwargs.items %}
+            <li>{{ key }}: {{ value }}</li>
+          {% endfor %}
+        </ul>
+      </li>
+  </ul>
 
- <ul>
- {% blocktrans with task_name=task_name task=task task_id=task_id exception=exception args=args kwargs=kwargs traceback=traceback %}
-   <li>Task name: {{task_name}}</li>
-   <li>Task: {{task}}</li>
-   <li>Id of the task: {{task_id}}</li>
-   <li>Exception instance raised: {{ exception }}</li>
-   <li>Positional arguments the task was called with: {{ args }}</li>
-   <li>Keyword arguments the task was called with: {{ kwargs }}</li>
-   <li>Stack trace object: {{ traceback }}</li>
- </ul>
- {% endblocktrans %}
+  <code>
+    {{ traceback|linebreaksbr }}
+  </code>
 {% endblock %}