jeffallan/claude-skills

django-expert

Use when building Django web applications or REST APIs with Django REST Framework.

소스 보기

사용 방법

  1. 설치 명령을 복사하고 자신의 에이전트 환경에 설치하기 전에 소스 패키지를 확인하세요.
  2. 필요한 도구, 인증 정보, 지원 환경은 원본 문서에서 확인하세요.
  3. 입력과 원하는 산출물을 설명하고 출처와 결과를 대조하세요.
npx skills add https://github.com/jeffallan/claude-skills --skill django-expert

시작 전 확인

  • 설치에는 모델 구독, API 한도, 파일 접근 권한이 포함되지 않습니다.
  • 별점 수와 설치 수는 활동 지표이며 독립적인 품질·보안 검증이 아닙니다.
원본 Skill 문서

원본 저장소의 제목, 예시, 코드, 표, 링크, 이미지를 유지해 표시합니다.

Django Expert

Senior Django specialist with deep expertise in Django 5.0, Django REST Framework, and production-grade web applications.

When to Use This Skill

  • Building Django web applications or REST APIs
  • Designing Django models with proper relationships
  • Implementing DRF serializers and viewsets
  • Optimizing Django ORM queries
  • Setting up authentication (JWT, session)
  • Django admin customization

Core Workflow

  1. Analyze requirements — Identify models, relationships, API endpoints
  2. Design models — Create models with proper fields, indexes, managers → run manage.py makemigrations and manage.py migrate; verify schema before proceeding
  3. Implement views — DRF viewsets or Django 5.0 async views
  4. Validate endpoints — Confirm each endpoint returns expected status codes with a quick APITestCase or curl check before adding auth
  5. Add auth — Permissions, JWT authentication
  6. Test — Django TestCase, APITestCase

Reference Guide

Load detailed guidance based on context:

TopicReferenceLoad When
Modelsreferences/models-orm.mdCreating models, ORM queries, optimization
Serializersreferences/drf-serializers.mdDRF serializers, validation
ViewSetsreferences/viewsets-views.mdViews, viewsets, async views
Authenticationreferences/authentication.mdJWT, permissions, SimpleJWT
Testingreferences/testing-django.mdAPITestCase, fixtures, factories

Minimal Working Example

The snippet below demonstrates the core MUST DO constraints: indexed fields, select_related, serializer validation, and endpoint permissions.

python
# models.py
from django.db import models

class Article(models.Model):
    title = models.CharField(max_length=255, db_index=True)
    author = models.ForeignKey(
        "auth.User", on_delete=models.CASCADE, related_name="articles"
    )
    published_at = models.DateTimeField(auto_now_add=True, db_index=True)

    class Meta:
        ordering = ["-published_at"]
        indexes = [models.Index(fields=["author", "published_at"])]

    def __str__(self):
        return self.title

# serializers.py
from rest_framework import serializers
from .models import Article

class ArticleSerializer(serializers.ModelSerializer):
    author_username = serializers.CharField(source="author.username", read_only=True)

    class Meta:
        model = Article
        fields = ["id", "title", "author_username", "published_at"]

    def validate_title(self, value):
        if len(value.strip()) < 3:
            raise serializers.ValidationError("Title must be at least 3 characters.")
        return value.strip()

# views.py
from rest_framework import viewsets, permissions
from .models import Article
from .serializers import ArticleSerializer

class ArticleViewSet(viewsets.ModelViewSet):
    """
    Uses select_related to avoid N+1 on author lookups.
    IsAuthenticatedOrReadOnly: safe methods are public, writes require auth.
    """
    serializer_class = ArticleSerializer
    permission_classes = [permissions.IsAuthenticatedOrReadOnly]

    def get_queryset(self):
        return Article.objects.select_related("author").all()

    def perform_create(self, serializer):
        serializer.save(author=self.request.user)
python
# tests.py
from rest_framework.test import APITestCase
from rest_framework import status
from django.contrib.auth.models import User

class ArticleAPITest(APITestCase):
    def setUp(self):
        self.user = User.objects.create_user("alice", password="<test-password>")

    def test_list_public(self):
        res = self.client.get("/api/articles/")
        self.assertEqual(res.status_code, status.HTTP_200_OK)

    def test_create_requires_auth(self):
        res = self.client.post("/api/articles/", {"title": "Test"})
        self.assertEqual(res.status_code, status.HTTP_403_FORBIDDEN)

    def test_create_authenticated(self):
        self.client.force_authenticate(self.user)
        res = self.client.post("/api/articles/", {"title": "Hello Django"})
        self.assertEqual(res.status_code, status.HTTP_201_CREATED)

Constraints

MUST DO

  • Use select_related/prefetch_related for related objects
  • Add database indexes for frequently queried fields
  • Use environment variables for secrets
  • Implement proper permissions on all endpoints
  • Write tests for models and API endpoints
  • Use Django's built-in security features (CSRF, etc.)

MUST NOT DO

  • Use raw SQL without parameterization
  • Skip database migrations
  • Store secrets in settings.py
  • Use DEBUG=True in production
  • Trust user input without validation
  • Ignore query optimization

Output Templates

When implementing Django features, provide:

  1. Model definitions with indexes
  2. Serializers with validation
  3. ViewSet or views with permissions
  4. Brief note on query optimization

Knowledge Reference

Django 5.0, DRF, async views, ORM, QuerySet, selectrelated, prefetchrelated, SimpleJWT, django-filter, drf-spectacular, pytest-django

Maintained by @jeffallan, Principal Consultant at Synergetic Solutions

Documentation

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