python 从PDF中提取附件

import os
def get_attachment(pdf_path,psd,pdftk_bin_folder):

    pdf_folder_path=pdf_path.strip(pdf_path.split("\")[-1])
    tem_pdf_path=pdf_folder_path+"temp.pdf"

    decrypt_command=f"pdftk {pdf_path}  input_pw {psd}  output {tem_pdf_path}"
    extract_command=f"pdftk {tem_pdf_path} unpack_files output {pdf_folder_path}"

    os.chdir(pdftk_bin_folder)
    os.system(decrypt_command)
    os.system(extract_command)
if __name__ == '__main__':
    # pdf_path = r"C:Users86173Desktoptestword2-protected.pdf"
    # psd = "dfcver"
    pdf_path = r"C:Users86173Desktoptestword无密码1.pdf"
    psd = ""
    pdftk_bin_folder = r"C:Program Files (x86)PDFtk Serverbin"
    try:
        get_attachment(pdf_path,psd,pdftk_bin_folder)
        print("提取成功")
    except Exception as e:
        print("提取失败")
        print(e)