FrameCheck Documentation

A lightweight Python library for defining and validating expectations on pandas DataFrames.

Installation

pip install framecheck

Project Links

• GitHub

• Try in Google Collab

Contents:

• API Reference
  • framecheck
  • framecheck.column_checks
  • framecheck.dataframe_checks
  • framecheck.utilities
  • framecheck.persistence
  • framecheck.function_registry
• FrameCheck Methods
  • Basic DataFrame Checks
  • Row-Level Checks
  • Column Checks
  • Cross-Column Validations
  • Custom Checks
  • Validation Execution
  • Persistence
  • Function Registry
• Usage Examples
  • column(…) – Core Behaviors
  • columns(…) and columns_are(…)
  • custom_check(…)
  • Other Checks
• Validation Comparison
  • Shared Setup
  • FrameCheck (19 lines)
  • Pandera (with row capture added manually)
  • Pydantic (manual row iteration)
  • Serialization and Persistence
  • Registered Check Functions