Django patterns -- custom user model, project structure, models, views, URL routing, select_related/prefetch_related, signals vs save(), middleware, settings splitting, custom managers, management commands
92
87%
Does it follow best practices?
Impact
100%
1.63xAverage score across 5 eval scenarios
Passed
No known issues
{
"context": "Tests whether the agent proactively applies Django best practices when building a blog: custom user model, select_related/prefetch_related for the homepage query, app_name for URL namespacing, get_object_or_404, settings.AUTH_USER_MODEL for FK references, TextChoices for post status, and related_name on ForeignKeys. The task does NOT ask for any of these -- it just describes a blog to build.",
"type": "weighted_checklist",
"checklist": [
{
"name": "Custom user model",
"description": "The project defines a custom user model inheriting from AbstractUser (or AbstractBaseUser) and sets AUTH_USER_MODEL in settings. The agent was NOT asked to create a custom user model.",
"max_score": 14
},
{
"name": "select_related on homepage query",
"description": "The queryset for the homepage post list uses select_related('author') or equivalent to avoid N+1 queries when displaying author names. The agent was NOT asked about query optimization.",
"max_score": 14
},
{
"name": "prefetch_related for tags or comments",
"description": "The queryset for post lists or detail views uses prefetch_related for tags and/or comments to avoid N+1 queries. The agent was NOT asked about prefetch_related.",
"max_score": 12
},
{
"name": "app_name in blog urls.py",
"description": "The blog app's urls.py sets app_name = 'blog' (or equivalent) for URL namespacing. The agent was NOT asked about URL namespacing.",
"max_score": 10
},
{
"name": "get_object_or_404 in detail view",
"description": "The post detail view uses get_object_or_404 (or a CBV that does equivalent) rather than a bare Model.objects.get() with manual exception handling. The agent was NOT asked about 404 handling.",
"max_score": 8
},
{
"name": "settings.AUTH_USER_MODEL for ForeignKey",
"description": "ForeignKey fields pointing to the user model use settings.AUTH_USER_MODEL (or get_user_model()), NOT a direct import of django.contrib.auth.models.User. The agent was NOT told how to reference the user model.",
"max_score": 10
},
{
"name": "TextChoices for post status",
"description": "The post status field uses TextChoices (or IntegerChoices) class rather than raw string tuples for choices. The agent was NOT asked about TextChoices.",
"max_score": 8
},
{
"name": "related_name on ForeignKey fields",
"description": "ForeignKey fields (e.g., post author, comment post, comment author) include related_name for explicit reverse access.",
"max_score": 8
},
{
"name": "get_absolute_url on Post model",
"description": "The Post model defines a get_absolute_url() method using reverse() with a namespaced URL.",
"max_score": 8
},
{
"name": "auto_now_add/auto_now timestamps",
"description": "Models use auto_now_add for created_at and auto_now for updated_at timestamps, not manual datetime assignment.",
"max_score": 8
}
]
}evals
scenario-1
scenario-2
scenario-3
scenario-4
scenario-5
skills
django-best-practices
verifiers