مشاهده و ویرایش فراداده PPSM با Python

with slides.Presentation("presentation.ppsm") as presentation:
    document_properties = presentation.document_properties
    document_properties.author = "Aspose.Slides for Python"
    document_properties.title = "Quarterly Review"
    document_properties.subject = "Presentation Metadata"
    document_properties.comments = "Built-in properties updated with Aspose.Slides."
    document_properties.manager = "Project Manager"

    presentation.save("presentation_with_updated_metadata.ppsm", slides.export.SaveFormat.PPSM)

with slides.Presentation("presentation.ppsm") as presentation:
    document_properties = presentation.document_properties
    document_properties.set_custom_property_value("Department", "Engineering")
    document_properties.set_custom_property_value("Review Count", 3)
    document_properties.set_custom_property_value("Obsolete Status", "Draft")
    document_properties.remove_custom_property("Obsolete Status")

    presentation.save("presentation_with_custom_metadata.ppsm", slides.export.SaveFormat.PPSM)