Dev2Py

Lock PDF using Python step-by-step  Method - 1 To lock a PDF file using Python, you can use the PyPDF2 library. The following steps outline the process: Install the PyPDF2 library: Copy code pip install PyPDF2 Open the original PDF file and create a new PdfFileReader object: makefile Copy code pdf_file = open("original.pdf", "rb") pdf_reader = PyPDF2.PdfFileReader(pdf_file) Create a new PdfFileWriter object to store the locked version of the PDF file: makefile Copy code pdf_writer = PyPDF2.PdfFileWriter() Loop through each page of the original PDF file and add it to the new PdfFileWriter object: scss Copy code for page_num in range(pdf_reader.numPages):     page = pdf_reader.getPage(page_num)     pdf_writer.addPage(page) Encrypt the new PdfFileWriter object with a password: python Copy code pdf_writer.encrypt("password") Save the locked PDF file: lua Copy code locked_pdf = open("locked.pdf", "wb") pdf_writer.write(locked_pdf) Close both...