使用Python保护Pdf密码

Question

我正在尝试使用 python 对 pdf 文件进行密码保护。 我遇到过使用 PyPDF2 库的解决方案，但该解决方案不适用于 3.0.0 或更高版本。

下面是代码

# import PdfFileWriter and PdfFileReader 
# class from PyPDF2 library
from PyPDF2 import PdfFileWriter, PdfFileReader
  
# create a PdfFileWriter object
out = PdfFileWriter()
  
# Open our PDF file with the PdfFileReader
file = PdfFileReader("myfile.pdf")
  
# Get number of pages in original file
num = file.numPages
  
# Iterate through every page of the original 
# file and add it to our new file.
for idx in range(num):
    
    # Get the page at index idx
    page = file.getPage(idx)
      
    # Add it to the output file
    out.addPage(page)
  
  
# Create a variable password and store 
# our password in it.
password = "pass"
  
# Encrypt the new file with the entered password
out.encrypt(password)
  
# Open a new file "myfile_encrypted.pdf"
with open("myfile_encrypted.pdf", "wb") as f:
    
    # Write our encrypted PDF to this file
    out.Write(f)

如果有人可以帮助我解决问题，那将会很有帮助。

谢谢你

Answer 1

他们已经弃用了很多东西。对于 PyPDF2 版本 3 及更高版本，请使用：

from PyPDF2 import PdfWriter, PdfReader
  
output = PdfWriter() # create a PdfWriter object
  
pdf_file = PdfReader("test.pdf") # test.pdf is the pdf you want to protect
  
numPages = len(pdf_file.pages)
  
# grab each page in pdf
for i in range(numPages):
    page = pdf_file.pages[i]
    output.add_page(page) # Add to the output object
  
output.encrypt("pass") # Encrypt output with password "pass"
  
# output actual encrypted binary pdf
with open("test_encrypted.pdf", "wb") as f:
    output.write(f)

希望这有帮助！