Rotate all PDFs in a folder and put into another one

rotate-pdfs.py

#!/usr/bin/env python3

import PyPDF2
import re
import sys
import os
import shutil

dir_path = os.getcwd()
rotatedDir_path = dir_path + '/rotated'

if not os.path.exists(rotatedDir_path):
    os.makedirs(rotatedDir_path)

directory = os.fsencode(dir_path)

for file in os.listdir(directory):
     filename = os.fsdecode(file)
     if filename.endswith(".pdf"):

         pdfIn = open(filename, 'rb')
         pdfReader = PyPDF2.PdfFileReader(pdfIn)
         pdfWriter = PyPDF2.PdfFileWriter()

         for pageNum in range(pdfReader.numPages):
             page = pdfReader.getPage(pageNum)
             page.rotateClockwise(90) # rotate by 90 degrees
             pdfWriter.addPage(page)

         pdfOut = open(rotatedDir_path + '/' + filename, 'wb')
         pdfWriter.write(pdfOut)
         pdfOut.close()
         pdfIn.close()

         continue
     else:
         continue

Rotate all pages in all files in directory

#!/usr/bin/env python3
# install first PyPDF2 
# pip install PyPDF2

import PyPDF2
import re
import sys
import os
import shutil

input_dir = os.getcwd()
output_dir = input_dir + '/rotated'

if not os.path.exists(output_dir):
    os.makedirs(output_dir)

directory = os.fsencode(input_dir)

for x in os.listdir(directory):
    filename = os.fsdecode(x)
    if filename.endswith(".pdf"):
        pdf_in = open(filename, 'rb')
        pdf_reader = PyPDF2.PdfFileReader(pdf_in)
        pdf_writer = PyPDF2.PdfFileWriter()
        for pagenum in range(pdf_reader.numPages):
            page = pdf_reader.getPage(pagenum)
            page.rotateClockwise(90)
            pdf_writer.addPage(page)
        pdf_out = open(output_dir + '/' + filename, 'wb')
        pdf_writer.write(pdf_out)
        pdf_out.close()
        pdf_in.close()