Attachments in PDF document Leave feedback
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This sample extracts every embedded file from a PDF, prints basic metadata (name, description, file type), and writes the attachment bytes to an output folder.
import os
import groupdocs.watermark as gw
import groupdocs.watermark.contents.pdf as gwc_pdf
output_dir = os.path.join("SampleFiles", "Output")
os.makedirs(output_dir, exist_ok=True)
load_options = gw.PdfLoadOptions()
with gw.Watermarker("document.pdf", load_options) as watermarker:
pdf_content = watermarker.get_content(gwc_pdf.PdfContent)
for attachment in pdf_content.attachments:
print("Name:", attachment.name)
print("Description:", attachment.description)
print("File type:", attachment.get_document_info().file_type)
with open(os.path.join(output_dir, attachment.name), "wb") as f:
f.write(attachment.content)
This sample embeds an external file into the PDF as an attachment, assigning a display name and description, and then saves the updated document.
import groupdocs.watermark as gw
import groupdocs.watermark.contents.pdf as gwc_pdf
load_options = gw.PdfLoadOptions()
with gw.Watermarker("document.pdf", load_options) as watermarker:
pdf_content = watermarker.get_content(gwc_pdf.PdfContent)
with open("sample.docx", "rb") as f:
pdf_content.attachments.add(f.read(), "sample doc", "sample doc as attachment")
watermarker.save("document.pdf")
This sample finds and removes attachments that match custom criteria (for example, a name containing “sample” and the DOCX file type), and then saves the PDF.
import groupdocs.watermark as gw
import groupdocs.watermark.contents.pdf as gwc_pdf
from groupdocs.watermark.common import FileType
load_options = gw.PdfLoadOptions()
with gw.Watermarker("document.pdf", load_options) as watermarker:
pdf_content = watermarker.get_content(gwc_pdf.PdfContent)
for i in range(pdf_content.attachments.count - 1, -1, -1):
attachment = pdf_content.attachments[i]
if ("sample" in attachment.name) and (attachment.get_document_info().file_type == FileType.DOCX):
pdf_content.attachments.remove_at(i)
watermarker.save("document.pdf")
This sample limits the search scope to images inside attachments and returns the found image collection for further processing or inspection.
import groupdocs.watermark as gw
import groupdocs.watermark.common as gwc
load_options = gw.PdfLoadOptions()
with gw.Watermarker("document.pdf", load_options) as watermarker:
watermarker.searchable_objects.pdf_searchable_objects = gwc.PdfSearchableObjects.ATTACHED_IMAGES
images = watermarker.get_images()
print("Found", images.count, "image(s).")
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