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Django REST framework
Django REST framework is a powerful and flexible toolkit for building Web APIs.
Quickstart
1 cd ~/tmp
2 mkdir django-rest-test
3 cd django-rest-test
4 sudo apt install python3-venv
5 python3 -m venv virtenv
6 . virtenv/bin/activate
7 pip install djangorestframework
8 find . virtenv/
9 django-admin startproject tutorial .
10 cd tutorial
11 django-admin startapp quickstart
12 cd ..
13 python manage.py migrate # sync DB
14 python manage.py createsuperuser --email admin@example.com --username admin # create super user, pwd: 12345678
15 nano tutorial/quickstart/serializers.py
16 nano tutorial/quickstart/views.py
17 nano tutorial/urls.py
18 nano tutorial/settings.py
19 python manage.py runserver
20 # Starting development server at http://127.0.0.1:8000/
21 curl -H 'Accept: application/json; indent=4' -u admin:12345678 http://127.0.0.1:8000/users/
tutorial/quickstart/serializers.py
1 from django.contrib.auth.models import User, Group
2 from rest_framework import serializers
3
4 class UserSerializer(serializers.HyperlinkedModelSerializer):
5 class Meta:
6 model = User
7 # select fields to return
8 fields = ['url', 'username', 'email', 'groups']
9
10 class GroupSerializer(serializers.HyperlinkedModelSerializer):
11 class Meta:
12 model = Group
13 # select fields to return
14 fields = ['url', 'name']
tutorial/quickstart/views.py
1 from django.contrib.auth.models import User, Group
2 from rest_framework import viewsets
3 from rest_framework import permissions
4 from tutorial.quickstart.serializers import UserSerializer, GroupSerializer
5
6 class UserViewSet(viewsets.ModelViewSet):
7 """
8 API endpoint that allows users to be viewed or edited.
9 """
10 queryset = User.objects.all().order_by('-date_joined')
11 serializer_class = UserSerializer
12 permission_classes = [permissions.IsAuthenticated]
13
14 class GroupViewSet(viewsets.ModelViewSet):
15 """
16 API endpoint that allows groups to be viewed or edited.
17 """
18 queryset = Group.objects.all()
19 serializer_class = GroupSerializer
20 permission_classes = [permissions.IsAuthenticated]
tutorial/urls.py
1 from django.urls import include, path
2 from rest_framework import routers
3 from tutorial.quickstart import views
4
5 router = routers.DefaultRouter()
6 router.register(r'users', views.UserViewSet)
7 router.register(r'groups', views.GroupViewSet)
8
9 # Wire up our API using automatic URL routing.
10 # Additionally, we include login URLs for the browsable API.
11 urlpatterns = [
12 path('', include(router.urls)),
13 path('api-auth/', include('rest_framework.urls', namespace='rest_framework'))
14 ]
tutorial/settings.py
1 from pathlib import Path
2 # Build paths inside the project like this: BASE_DIR / 'subdir'.
3 BASE_DIR = Path(__file__).resolve().parent.parent
4 # Quick-start development settings - unsuitable for production
5 # See https://docs.djangoproject.com/en/3.2/howto/deployment/checklist/
6 # SECURITY WARNING: keep the secret key used in production secret!
7 SECRET_KEY = 'django-insecure-j8vs^2rq97)%g%v4fk-nl(3pho4ve)=6%&$**0++$p%v514r8r'
8 # SECURITY WARNING: don't run with debug turned on in production!
9 DEBUG = True
10 ALLOWED_HOSTS = []
11 # Application definition
12 INSTALLED_APPS = [
13 'django.contrib.admin',
14 'django.contrib.auth',
15 'django.contrib.contenttypes',
16 'django.contrib.sessions',
17 'django.contrib.messages',
18 'django.contrib.staticfiles',
19 'rest_framework',
20 ]
21 MIDDLEWARE = [
22 'django.middleware.security.SecurityMiddleware',
23 'django.contrib.sessions.middleware.SessionMiddleware',
24 'django.middleware.common.CommonMiddleware',
25 'django.middleware.csrf.CsrfViewMiddleware',
26 'django.contrib.auth.middleware.AuthenticationMiddleware',
27 'django.contrib.messages.middleware.MessageMiddleware',
28 'django.middleware.clickjacking.XFrameOptionsMiddleware',
29 ]
30 ROOT_URLCONF = 'tutorial.urls'
31 TEMPLATES = [
32 {
33 'BACKEND': 'django.template.backends.django.DjangoTemplates',
34 'DIRS': [],
35 'APP_DIRS': True,
36 'OPTIONS': {
37 'context_processors': [
38 'django.template.context_processors.debug',
39 'django.template.context_processors.request',
40 'django.contrib.auth.context_processors.auth',
41 'django.contrib.messages.context_processors.messages',
42 ],
43 },
44 },
45 ]
46 WSGI_APPLICATION = 'tutorial.wsgi.application'
47 # Database
48 # https://docs.djangoproject.com/en/3.2/ref/settings/#databases
49 DATABASES = {
50 'default': {
51 'ENGINE': 'django.db.backends.sqlite3',
52 'NAME': BASE_DIR / 'db.sqlite3',
53 }
54 }
55 # Password validation
56 # https://docs.djangoproject.com/en/3.2/ref/settings/#auth-password-validators
57 AUTH_PASSWORD_VALIDATORS = [
58 {
59 'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
60 },
61 {
62 'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
63 },
64 {
65 'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
66 },
67 {
68 'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
69 },
70 ]
71 # Internationalization
72 # https://docs.djangoproject.com/en/3.2/topics/i18n/
73 LANGUAGE_CODE = 'en-us'
74 TIME_ZONE = 'UTC'
75 USE_I18N = True
76 USE_L10N = True
77 USE_TZ = True
78 # Static files (CSS, JavaScript, Images)
79 # https://docs.djangoproject.com/en/3.2/howto/static-files/
80 STATIC_URL = '/static/'
81 # Default primary key field type
82 # https://docs.djangoproject.com/en/3.2/ref/settings/#default-auto-field
83 DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
84 REST_FRAMEWORK = {
85 'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
86 'PAGE_SIZE': 10
87 }