script for adding blank pages between pdf pages

add_blank_pages.py

#!/usr/bin/python3

import sys, getopt, os

try:
    from PyPDF2 import PdfReader, PdfWriter
    # print("pypdf2 Already installed")
except ImportError as e:
    print("Error -> ", e)

## adapted from:
## https://stackoverflow.com/questions/46569188/adding-blank-page-to-odd-paged-pdf-in-python
## https://github.com/mstamy2/PyPDF2/blob/master/Sample_Code/basic_features.py
def add_blank(ifile, ofile):
    try:
        with open(ifile, 'rb') as input1:
            pdf=PdfReader(input1)
            if pdf.is_encrypted:
               print(f"The file {ifile} is encrypted and cannot be processed.")
               sys.exit(1)
            numPages=len(pdf.pages)
            print('Adding blank pages to', ifile, 'with', numPages, 'pages')
            outPdf=PdfWriter()
            for i in range(numPages):
                outPdf.add_page(pdf.pages[i])
                outPdf.add_blank_page()
            with open(ofile, 'wb') as outStream:
                outPdf.write(outStream)
            print('Output file is :', ofile)
    except:
        print("something went wrong")

## adapted from https://www.tutorialspoint.com/python/python_command_line_arguments.htm
def main(argv):
   inputfile = ''
   outputfile = ''
   try:
      opts, args = getopt.getopt(argv,"hi:o:",["ifile=","ofile="])
   except getopt.GetoptError:
      print('add_blank_pages.py -i <inputfile> -o <outputfile>')
      sys.exit(2)
   for opt, arg in opts:
      if opt == '-h':
         print('add_blank_pages.py -i <inputfile> -o <outputfile>')
         sys.exit()
      elif opt in ("-i", "--ifile"):
         inputfile = arg
      elif opt in ("-o", "--ofile"):
         outputfile = arg
         if outputfile.endswith('.pdf'):
            pass
         else:
            outputfile = outputfile + '.pdf'

   try:
      if os.path.isfile(inputfile):
         add_blank(inputfile, outputfile)
      else:
         print(f"Input file {inputfile} does not exist.")
         sys.exit(1)
   except Exception as e:
      print(f"An error occurred: {e}")
      sys.exit(1)

if __name__ == "__main__":
   main(sys.argv[1:])

Updated to use pyPDF2 v3.0.0 -- eventually update to pypdf