PDF functions

Get PDF Fonts associated with provided input

NOTE: The flavour of the function that takes INPUT_IBOCR will be deprecated
after September 30th 2019.  Please use in INPUT_IBOCR_RECORD.

Args:
    ibocr (Union[IBOCRRecordDict, IBOCRRecord]): Could be either a:
      - Dictionary with info about one ibocr record
      - The IBOCRRecord itself

Returns:
    Returns pdf fonts used across this entire document

Examples:
    get_pdf_fonts(INPUT_IBOCR) -> [{'name': 'TimesNewRoman', 'type': 'Type1', 'encoding': 'PDFEncoding'}]
    get_pdf_fonts(INPUT_IBOCR_RECORD) -> [{'name': 'TimesNewRoman', 'type': 'Type1', 'encoding': 'PDFEncoding'}]

Get PDF Metadata associated with provided input

NOTE: The flavour of the function that takes INPUT_IBOCR will be deprecated
after September 30th 2019.  Please use in INPUT_IBOCR_RECORD.

Args:
    ibocr (Union[IBOCRRecordDict, IBOCRRecord]): Could be either a:
      - Dictionary with info about one ibocr record
      - The IBOCRRecord itself
    field_name (string): PDF metadata field name to retrieve. Valid field names
        are: title, author, subject, keywords_str, creator, producer,
        creation_timestamp, modification_timestamp, trapped_str.
        Timestamps are provided in seconds since epoch. See PDDocumentInformation
        for information about what each field indicates.

Returns:
    Returns pdf metadata given the specified field

Examples:
    get_pdf_metadata(INPUT_IBOCR, 'title') -> "title of the PDF"
    get_pdf_metadata(INPUT_IBOCR_RECORD, 'title') -> "title of the PDF"