获取您在 AD 对象选项卡中看到的“对象的规范名称”

最终通过：

import os 
import pikepdf 
from pikepdf import Pdf

password = 'test'
path = 'path'

def protect(file,password=password):
  
    pdf = Pdf.open(filE)    
    pdf.save(os.path.splitext(filE)[0] + '_encrypted.pdf',encryption=pikepdf.Encryption(owner=password,user=password,R=4)) 
    pdf.close()
    return

def remove_originals(filE):

    if file.endswith(('.pdf','.PDF')):
        if not file.endswith('_encrypted.pdf'):
            os.remove(filE)

#protecTing
for folder,subfolders,files in os.walk(path):
    for file in files:
        if file.endswith(('.pdf','.PDF')):
            protect(os.path.join(folder,filE))

#removing originals
for folder,'.PDF')):    
            remove_originals(os.path.join(folder,filE))

#renaming the encrypted files to match the original filenames
for folder,'.PDF')):
            os.rename(os.path.join(folder,filE),os.path.join(folder,file.replace('_encrypted','')))