python 从PDF中提取附件

python 从PDF中提取附件[Python常见问题]

下载 Pdftk server:https://www.pdflabs.com/tools/pdftk-server/

如果有密码,先把带密码的PDF的转成无密码的PDF

pdftk 有密码.pdf  input_pw 密码  output 无密码.pdf

如果不带密码,上一步可以跳过

提取附件(必须不带密码)

pdftk 无密码.pdf unpack_files 解压目录

如果python cmd命令时显示不存在命令,

加入 os.chdir(pdftk的bin目录)

 

完整代码:

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:Users86173Desktop	estword2-protected.pdf"
    # psd = "dfcver"
    pdf_path = r"C:Users86173Desktop	estword无密码1.pdf"
    psd = ""
    pdftk_bin_folder = r"C:Program Files (x86)PDFtk Serverin"
    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)
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