Working with Containers Leave feedback

from groupdocs.parser import Parser
from groupdocs.parser.exceptions import UnsupportedDocumentFormatException

def print_text(item_path, parser):
    reader = parser.get_text()
    text = reader.read_to_end() if reader is not None else None
    print(f"{item_path}: {text if text else '[no text]'}")

with Parser("portfolio.pdf") as parser:
    container = parser.get_container()
    if container is None:
        print("Container extraction isn't supported for this format.")
    else:
        for item in container:
            try:
                with item.open_parser() as inner_parser:
                    print_text(item.file_path, inner_parser)
            except UnsupportedDocumentFormatException:
                print(f"{item.file_path}: format is not supported.")

invoice-HLP-2025-0412.pdf:                                                                                            INVOICE


   FROM                                                                     Invoice Number      HLP-2025-0412
   Northwind Coffee Roasters                                                Invoice Date        4 November 2025
   4 Roastery Lane, Millbrook                                               Due Date            4 December 2025
   alex.chen@northwindroasters.e
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