python pdf加密以及校验pdf是否是加密的_python判断文件是否加密

1. 使用PyMuPDF

pip install PyMuPDF
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import fitz  # this is PyMuPDF

# doc1 = "IOT.pdf"
with open(r"C:\Users\84977\Desktop\test2.pdf", 'r+') as doc1:
    doc = fitz.Document(doc1)

# the document should be password protected


print(doc.isEncrypted)
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2. 使用PyPDF3

pip install PyPDF3
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import PyPDF3
pdffile= open('IOT.pdf', 'rb')

pdfreader= PyPDF3.PdfFileReader(pdffile)

try:
    # print decryption outcome as 1 if successful and 0 otherwise
    pdfreader.decrypt('password')
except NotImplementedError as errMsg:
    print(pdfreader, 'can not be decrypted on error message', errMsg)
    pdffile.close()

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3. pyfdf2

pip install PyPDF2
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# -*- coding: utf-8 -*-
import PyPDF2

# 打开PDF文件
with open(r'C:\Users\84977\Desktop\加密的pdf.pdf', 'rb') as pdf_file:
    # 创建一个PdfFileReader对象
    pdf_reader = PyPDF2.PdfFileReader(pdf_file)

    # 确认PDF是否受密码保护
    if pdf_reader.isEncrypted:
        print("PDF文件受密码保护")
    else:
        print("PDF文件没有密码保护")
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