rotating.py

# importing the required modules 
from PyPDF2 import PdfFileReader, PdfFileWrite

def PDFrotate(File_Name, output, rotation): 
  
    pdfFile = open(File_Name, 'rb') 
    pdfReader = PdfFileReader(pdfFile) 
  
    # creating a pdf writer object for new pdf 
    pdfWriter = PdfFileWriter() 
      
    for page in range(pdfReader.numPages): 
        pageObj = pdfReader.getPage(page) 
        pageObj.rotateClockwise(rotation) 
  
        # adding rotated page object to pdf writer 
        pdfWriter.addPage(pageObj) 
  
    # new pdf file object 
    output = open(File_Name, 'wb') 
      
    # writing rotated pages to new file 
    pdfWriter.write(output) 
  
    # closing the original pdf file object 
    pdfFile.close() 
      
    # closing the new pdf file object 
    output.close()