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Computer Science
Web Development
Django REST API Development
1. Introduction to APIs and REST Principles
2. Setting Up the Development Environment
3. Django Models and Database Design
4. Serialization in Django REST Framework
5. Views and Request Handling
6. URL Routing and Configuration
7. Authentication Systems
8. Authorization and Permissions
9. Advanced API Features
10. Error Handling and Validation
11. Testing Django REST APIs
12. API Documentation
13. Performance Optimization
14. Security Best Practices
15. Deployment and Production
Serialization in Django REST Framework
Serialization Concepts
Purpose of Serialization
Serialization vs Deserialization
Data Transformation Process
Basic Serializers
Serializer Class Definition
Field Declaration
Serializing Simple Data
Deserializing Input Data
Validation Process
ModelSerializer
Automatic Field Generation
Meta Class Configuration
Field Selection
fields Attribute
exclude Attribute
all Usage
Field Customization
Read-Only Fields
Write-Only Fields
Serializer Fields
Field Types
CharField
IntegerField
FloatField
BooleanField
DateTimeField
DateField
EmailField
URLField
ChoiceField
MultipleChoiceField
Field Arguments
required Parameter
allow_null Parameter
allow_blank Parameter
default Parameter
initial Parameter
source Parameter
Custom Field Creation
Validation in Serializers
Field-Level Validation
validate_fieldname Methods
Custom Field Validators
Object-Level Validation
validate Method
Cross-Field Validation
Built-In Validators
Custom Validator Functions
Validation Error Handling
Handling Relationships
Serializing Related Objects
PrimaryKeyRelatedField
StringRelatedField
SlugRelatedField
HyperlinkedRelatedField
Nested Serializers
Read-Only Nested Serialization
Writable Nested Serialization
Depth Parameter
Advanced Serializer Features
SerializerMethodField
Custom to_representation Method
Custom to_internal_value Method
Dynamic Field Selection
Conditional Field Inclusion
Serializer Performance
Query Optimization
Avoiding N+1 Queries
Prefetch Related Data
Select Related Optimization
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5. Views and Request Handling