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User Guides

Guides for using Nyctea, from first install to custom validators.

New to Nyctea?

Start with Quick Start to validate your first DataFrame in under 5 minutes.


  • Quick Start


    Install Nyctea, define a schema, register validators, and validate your first DataFrame.

    Quick Start

  • Features


    Overview of lazy validation, error reporting modes, coercion, failure handling, and validators.

    Features

  • Validator Registry


    Register custom parsers and checks using OOP classes or the decorator API.

    Validator Registry


What guides cover

Topic Description
Schemas Columns, dtypes, nullability, synonyms, coercion, and failure handling
Parsers Column-level transformations applied before checks
Checks Column-level validation rules (min_value, in_set, between, unique)
Registry Registering built-in and custom validators
Pipeline How phases run, how to customise order, how to add your own phase
Error reporting Summary, rows, and cells modes in ErrorReportConfig