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API Reference

Annotate DataFrames with Annotated[pd.DataFrame, MySchema] or Annotated[pl.DataFrame, MySchema] and the static checker validates column access at lint time.

Module Contents
Core BaseSchema, Column, ColumnSet, ColumnGroup — schema definition
Schema Algebra combine_schemas, SchemaConflictError — composing schemas
Pandera Integration to_pandera_schema — runtime validation bridge
Exceptions ColumnGroupError, MissingDependencyError
pandas PandasFrame — runtime enhancement (advanced)
polars PolarsFrame — runtime enhancement (advanced)
CLI typedframes check command