Django for APIs | #3 Library Website and API

Chapter 2
Library Website and API

Traditional Django

전통적인 Django와 Django REST Framework의 차이

Django는 웹 사이트를 만들고, 

Django REST Framework는 web API를 만든다. 

 

 

$ pipenv install django==2.2.6
$ django-admin startproject library_project .
$ python manage.py migrate
$ python manage.py runserver

First app

$ python manage.py startapp books

 

INSTALLED_APPS = [
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
# Local
'books.apps.BooksConfig', # new
]

Models

from django.db import models

# Create your models here.
class Book(models.Model):
    title = models.CharField(max_length=250)
    subtitle = models.CharField(max_length=250)
    author = models.CharField(max_length=100)
    isbn = models.CharField(max_length=13)
    def __str__(self):
        return self.title

 

Admin

$ python manage.py createsuperuser

from django.contrib import admin
from .models import Book
admin.site.register(Book)

 

Views

from django.shortcuts import render
from django.views.generic import ListView

# Create your views here.
from .models import Book

class BookListView(ListView):
    model = Book
    template_name = 'book_list.html'

 

URLs

from django.contrib import admin
from django.urls import path, include # new
urlpatterns = [
path('admin/', admin.site.urls),
path('', include('books.urls')), # new
]

 

from django.urls import path
from .views import BookListView

urlpatterns = [
    path('', BookListView.as_view(), name='home'),
]

 

<h1>All books</h1>
{%for book in object_list%}
<ul>
    <li>Title : {{book.title}}</li>
    <li>Subtitle : {{book.subtitle}}</li>
    <li>Author : {{book.author}}</li>
    <li>ISBN : {{book.isbn}} </li>
</ul>
{%endfor%}

 

 

 

Django REST Framework

$ pip install djangorestframework

 

INSTALLED_APPS = [
    'api.apps.ApiConfig', #new app
    'rest_framework', #3rd party, new
    'books.apps.BooksConfig', # new, local
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
]

 

$ python manage.py startapp api

 

URLs

from django.contrib import admin
from django.urls import path, include

urlpatterns = [
    path('api/', include('api.urls')),
    path('', include('books.urls')),
    path('admin/', admin.site.urls),
]

 

from django.urls import path
from .views import BookAPIView

urlpatterns = [
    path('', BookAPIView.as_view()),
]

 

 

Views

from rest_framework import generics

from books.models import Book
from .serialziers import BookSerializer

class BookAPIView(generics.ListAPIView):
    queryset = Book.objects.all()
    serializer_class = BookSerializer
    
# Create your views here.

 

Serializers

from rest_framework import serializers
from books.models import Book

class BookSerializer(serializers.ModelSerializer):
    class Meta:
        model = Book
        fields = ('title', 'subtitle', 'author', 'isbn')

 

 

Browsable API