حذف واترمارک از PDF از طریق Python

import aspose.pdf as apdf


from os import path
path_infile = path.join(self.data_dir, infile)
path_outfile = path.join(self.data_dir, outfile)

document = apdf.Document(path_infile)

if document.pages[1].artifacts[1].subtype == apdf.Artifact.ArtifactSubtype.WATERMARK:
    document.pages[1].artifacts.delete(document.pages[1].artifacts[1])

# save result pdf to file
document.save(path_outfile)