tessl/pypi-djangorestframework

Web APIs for Django, made easy.

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Django REST Framework

Name: tessl/pypi-djangorestframework
Author: tessl

A powerful and flexible toolkit for building Web APIs in Django applications. Django REST framework provides comprehensive features for creating RESTful APIs including serialization, authentication, permissions, content negotiation, pagination, filtering, and a browsable API interface.

Package Information

Package Name: djangorestframework
Language: Python
Installation: pip install djangorestframework
Dependencies: django>=4.2
Python Requirements: >=3.9

Core Imports

import rest_framework
from rest_framework import serializers, viewsets, permissions, status
from rest_framework.decorators import api_view, action
from rest_framework.response import Response
from rest_framework.views import APIView

Basic Usage

from rest_framework import serializers, viewsets, permissions
from rest_framework.response import Response
from django.contrib.auth.models import User

# Create a serializer
class UserSerializer(serializers.ModelSerializer):
    class Meta:
        model = User
        fields = ['id', 'username', 'email']

# Create a viewset
class UserViewSet(viewsets.ModelViewSet):
    queryset = User.objects.all()
    serializer_class = UserSerializer
    permission_classes = [permissions.IsAuthenticated]

# Or use function-based views
from rest_framework.decorators import api_view

@api_view(['GET', 'POST'])
def user_list(request):
    if request.method == 'GET':
        users = User.objects.all()
        serializer = UserSerializer(users, many=True)
        return Response(serializer.data)
    elif request.method == 'POST':
        serializer = UserSerializer(data=request.data)
        if serializer.is_valid():
            serializer.save()
            return Response(serializer.data, status=status.HTTP_201_CREATED)
        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)

Architecture

Django REST Framework follows a layered architecture designed around Django's philosophy:

Serializers: Convert between Python objects and JSON/XML data formats
Views/ViewSets: Handle HTTP requests and coordinate with serializers
Permissions: Control access to API endpoints
Authentication: Identify users making requests
Parsers/Renderers: Handle content negotiation for different formats
Routers: Generate URL patterns for ViewSets automatically

The framework emphasizes flexibility through class-based views and mixins, enabling everything from simple function-based views to complex ViewSets with automatic URL routing.

Capabilities

Serializers

Core serialization framework for converting between Python objects and JSON/XML data. Handles validation, type conversion, and nested relationships with comprehensive field types and custom validation logic.

class Serializer(BaseSerializer):
    def __init__(self, instance=None, data=empty, **kwargs): ...
    def is_valid(self, raise_exception=False): ...
    def save(self): ...
    def create(self, validated_data): ...
    def update(self, instance, validated_data): ...

class ModelSerializer(Serializer):
    class Meta:
        model = None
        fields = None

Serializers

Views and ViewSets

Class-based views and ViewSets for handling HTTP requests. Includes generic views for common patterns, mixins for modular functionality, and ViewSets for automatic URL routing.

class APIView(View):
    authentication_classes = []
    permission_classes = []
    parser_classes = []
    renderer_classes = []
    
    def dispatch(self, request, *args, **kwargs): ...

class ViewSet(ViewSetMixin, APIView):
    def list(self, request): ...
    def create(self, request): ...

class ModelViewSet(GenericViewSet):
    queryset = None
    serializer_class = None

Views and ViewSets

Authentication and Permissions

Security framework providing authentication backends and permission classes. Supports session authentication, token authentication, and custom authentication with granular permission control.

class BaseAuthentication:
    def authenticate(self, request): ...
    def authenticate_header(self, request): ...

class BasePermission:
    def has_permission(self, request, view): ...
    def has_object_permission(self, request, view, obj): ...

class TokenAuthentication(BaseAuthentication): ...
class IsAuthenticated(BasePermission): ...

Authentication and Permissions

Fields and Validation

Comprehensive field types for data validation and serialization. Includes basic types, specialized fields for files/images, and relationship fields with custom validation support.

class Field:
    def __init__(self, **kwargs): ...
    def to_representation(self, value): ...
    def to_internal_value(self, data): ...
    def validate(self, value): ...

class CharField(Field): ...
class IntegerField(Field): ...
class DateTimeField(Field): ...
class SerializerMethodField(Field): ...

Fields and Validation

Generic Views and Mixins

Pre-built generic views and mixins for common API patterns. Provides CRUD operations, pagination, and filtering with minimal code.

class GenericAPIView(APIView):
    queryset = None
    serializer_class = None
    
    def get_queryset(self): ...
    def get_object(self): ...

class ListAPIView(GenericAPIView): ...
class CreateAPIView(GenericAPIView): ...
class RetrieveUpdateDestroyAPIView(GenericAPIView): ...

Generic Views and Mixins

Request and Response

Enhanced request and response objects providing consistent data access and content negotiation across different formats.

class Request:
    @property
    def data(self): ...
    @property
    def query_params(self): ...

class Response(SimpleTemplateResponse):
    def __init__(self, data=None, status=None, template_name=None, headers=None, exception=False, content_type=None): ...

Request and Response

Pagination and Filtering

Built-in pagination styles and filtering backends for managing large datasets with search and ordering capabilities.

class PageNumberPagination(BasePagination):
    page_size = None
    page_query_param = 'page'
    
    def paginate_queryset(self, queryset, request, view=None): ...

class SearchFilter(BaseFilterBackend):
    search_param = 'search'
    
    def filter_queryset(self, request, queryset, view): ...

Pagination and Filtering

Routers and URL Patterns

Automatic URL pattern generation for ViewSets with support for nested routes and custom actions.

class SimpleRouter(BaseRouter):
    def register(self, prefix, viewset, basename=None): ...
    def get_urls(self): ...

class DefaultRouter(SimpleRouter):
    include_root_view = True
    include_format_suffixes = True

Routers and URL Patterns

Status Codes and Exceptions

Complete HTTP status code constants and structured exception classes for consistent error handling.

# Constants
HTTP_200_OK = 200
HTTP_201_CREATED = 201
HTTP_400_BAD_REQUEST = 400
HTTP_404_NOT_FOUND = 404

# Exception classes
class APIException(Exception):
    status_code = None
    default_detail = None
    
class ValidationError(APIException): ...
class NotFound(APIException): ...

Status Codes and Exceptions

Testing Utilities

Comprehensive testing tools including API client, request factory, and test case classes for thorough API testing.

class APIClient(APIRequestFactory, DjangoClient):
    def force_authenticate(self, user=None, token=None): ...
    def get(self, path, data=None, **extra): ...
    def post(self, path, data=None, format=None, **extra): ...

class APITestCase(testcases.TestCase):
    client_class = APIClient

Testing Utilities

Decorators and Function-Based Views

Essential decorators for function-based views and ViewSet customization, including API view creation, policy settings, and custom action definitions.

def api_view(http_method_names=None):
    """Convert function-based view into APIView subclass."""

def action(methods=None, detail=None, url_path=None, url_name=None, **kwargs):
    """Mark ViewSet method as routable action."""

def permission_classes(permission_classes):
    """Set permission classes for function-based views."""

def authentication_classes(authentication_classes):
    """Set authentication classes for function-based views."""

def throttle_classes(throttle_classes):
    """Set throttle classes for function-based views."""

class MethodMapper(dict):
    """Enables mapping HTTP methods to different ViewSet methods."""

Decorators and Function-Based Views

Content Negotiation

Parser and renderer classes for handling multiple content types with automatic format detection and conversion.

class BaseParser:
    media_type = None
    
    def parse(self, stream, media_type=None, parser_context=None): ...

class BaseRenderer:
    media_type = None
    
    def render(self, data, accepted_media_type=None, renderer_context=None): ...

Content Negotiation

Types

# Core constants
empty = object()  # Sentinel for no data provided
ALL_FIELDS = '__all__'  # Include all model fields

# Exception types
class ErrorDetail(str):
    def __new__(cls, string, code=None): ...

# Utility types
class ReturnDict(dict):
    def __init__(self, *args, **kwargs): ...

class ReturnList(list):
    def __init__(self, *args, **kwargs): ...

Workspace: tessl
Visibility: Public
Created: 7 months ago
Last updated: 3 months ago
Describes: pkg:pypi/djangorestframework@3.16.x
Publish Source: CLI
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