get_csv_field_metadata

get_csv_field_metadata(hk_path)

Extract CSV column metadata from PDS4 table labels.

Per ADR-008: Extracts field-level metadata (units, descriptions, types) from PDS4 Table_Delimited sections.

Args: hk_path: Path to HK data file (.dat). Will search for matching .xml/.lblx label.

Returns: pd.DataFrame with columns: - name: Field/column name - unit: Physical unit (if specified) - description: Field description - data_type: PDS4 data type (ASCII_String, ASCII_Real, etc.)

Raises: ImportError: If pds4_tools is not installed FileNotFoundError: If label file not found

Example: >>> from mertisreader import get_csv_field_metadata >>> meta_df = get_csv_field_metadata(‘path/to/hk.dat’) >>> print(meta_df[[‘name’, ‘unit’, ‘description’]])