Module schema_inference 

Schema inference for data files.

Reads just the schema (column names + types) from CSV, JSON, and Parquet files without loading the full data. Used for compile-time schema validation.

Modules

lockfile

Schema cache helpers backed by generic shape.lock artifacts.

Enums

SchemaInferError

Error type for schema inference operations.

Functions

infer_csv_schema

Infer schema from a CSV file using header + sample rows.

infer_json_schema

Infer schema from a JSON/NDJSON file using sample rows.

infer_parquet_schema

Infer schema from a Parquet file by reading only the footer metadata.

infer_schema

Infer the Arrow schema from a data file by extension.