[Python] Convert Form field objects to Text using PyPdf2

Discussão em 'Python' iniciado por Stack, Julho 7, 2025.

  1. Stack

    Stack Membro Participativo

    I have a pregenerated PDF with some form fields that I use PyPdf2 to fill. All fields are marked with readonly flag

    form_fields = {"my_field": "Hello, World"}
    pdf_content = open('my_file.pdf', 'rb').read()
    reader_buffer = io.BytesIO(pdf_content)
    reader = PdfReader(reader_buffer, strict=False)
    writer = PdfWriter()

    writer.clone_reader_document_root(reader)
    for page in reader.pages:
    writer.add_page(page)
    writer.set_need_appearances_writer()
    writer.update_page_form_field_values(page, form_fields)


    This part works writing to a file shows the fields. Later I use reportlab to draw and for some reason some of the fields keep disappearning and I know its because set_need_appearances_writer everytime so the final pdf misses it.

    I want to flatten the PDF fields after they are filled. I want to know if there is a way to convert field object to plain text?

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