# Django > Django Python web framework. Use when building Django projects, ORM queries, admin interface customization, class-based views, DRF APIs, or using signals and middleware. Use when this capability is needed. - Skill: `tomevault-io/django-10` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/django-10` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/django-10/raw - Safety review: pending - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Coding & Dev Tools - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/django-10 --- ## django High-level Python framework with batteries included for rapid, secure web development. ### Core Concepts - ORM: queryset API with lazy evaluation, `select_related`/`prefetch_related` for N+1 prevention - Admin interface: auto-generated CRUD from models, customizable via `ModelAdmin` classes - Class-based views: `ListView`, `DetailView`, `CreateView` reduce boilerplate over function views - DRF: `ModelViewSet` + `Serializer` classes for RESTful APIs with browsable docs ### Common Patterns - Signals: `post_save`/`pre_delete` for decoupled side effects like cache invalidation - Middleware: request/response pipeline for auth, CORS, logging, or rate limiting - Auth system: built-in `User` model, permissions, groups, and session-based authentication - Testing: `TestCase` with `Client` for request simulation, `assertContains` for template checks ### Best Practices - Use `select_related` for FK relationships and `prefetch_related` for M2M to avoid N+1 queries - Keep business logic in model methods or service layers, not in views or signals - Apply database-level constraints (unique, FK) alongside model-level validation - Use `@login_required` and `@permission_required` decorators rather than manual checks ### Common Code Patterns - `class ArticleView(DetailView): model = Article; template_name = "article.html"` - `@api_view(["GET"])` with `@permission_classes([IsAuthenticated])` for DRF endpoints --- > Source: [skeletorflet/opencode-supreme-setup](https://github.com/skeletorflet/opencode-supreme-setup) — distributed by [TomeVault](https://tomevault.io).