User Guide

This section contains guides and tutorials for various features of the library. Unlike the main API reference, this section covers the topics in a much easy to understand and friendly way.

If you’re looking for a quickstart tutorial, check the Tutorial section.

• Schemas
  • Introduction
  • Schema Context
  • Inheriting Schemas
  • Updating schema
  • Serializing schema
  • Preprocessing data
  • Schema State
  • Slotted Schemas
  • Representation of schema
  • Frozen Schemas
  • Passing unknown fields
  • Hooks
  • Operations after initialization
• Fields
  • Defining fields
  • Optional fields and defaults
  • Noneable (nullable) fields
  • Strict Mode
  • Frozen Fields
  • Extra Metadata
  • Custom Fields
  • Custom data keys
  • Nested schemas
  • Typing fields
  • Data Structures Fields
• Validators
  • Defining validators
  • Raw Validators
  • Class-based validators
  • Prebuilt Validators
• Configuration
  • Schema configuration
  • Global configuration
  • More information
• Error Handling
  • Introduction
  • ValidationError and FieldError
  • User side errors
  • Error formatting
  • Raw error formatting
  • Attaching arbitrary state
  • Custom error messages
• Contexts
  • Introduction
  • Schema Context
  • Field Contexts
  • Error Context
  • Context States
• Type Validation
  • Type validation example
  • Supported types and limitations