去除PDF加密等权限限制

import PyPDF2
from Crypto.Cipher import AES
import os

def remove_pdf_restrictions():
    origi_path = r'C:\Users\yc\PycharmProjects\netmiko\丹凤相关\original_file\\'
    pdf_path = r'C:\Users\yc\PycharmProjects\netmiko\丹凤相关\pdf_result\\'
    file_list = os.listdir(origi_path)  # 查看当前路径的文件名
    print(file_list)
    file_list_result = [os.path.join(origi_path, i) for i in file_list]
    print(file_list_result)  # 显示当前稳健的绝对路径
    for origi_file, result_file_name in  zip (file_list_result,file_list):
        pdf_file = open(origi_file, 'rb')
        pdf_reader = PyPDF2.PdfReader(pdf_file)

        if pdf_reader.is_encrypted:
            pdf_reader.decrypt('')

        pdf_writer = PyPDF2.PdfWriter()

        for page_num in range(len(pdf_reader.pages)):
            page = pdf_reader.pages[page_num]
            pdf_writer.add_page(page)

        output_pdf_file = open(pdf_path + result_file_name , 'wb')
        pdf_writer.write(output_pdf_file)

        output_pdf_file.close()
        pdf_file.close()

remove_pdf_restrictions()