pdf existing file delete and add new pdf file

python_pdf_mnupulation

from PyPDF2 import PdfFileWriter, PdfFileReader
import requests
from io import BytesIO
import os
from io import StringIO

from WordpresFileUpload.wordpressFile import wordpress_file_up

def download_pdf(page_url, page_range):
    """
    if we provide pdf url and page range to keep
     it will provide our desired pdf
    """

    response = requests.get(page_url)
    pdf_file = BytesIO(response.content)
    existing_pdf = PdfFileReader(pdf_file)

    filename = str(os.path.basename(page_url))

    promo_pdf = PdfFileReader('baddalljob_promo_docs.pdf', 'rb')
    output = PdfFileWriter()

    for i in range(page_range):
        p = existing_pdf.getPage(i)
        output.addPage(p)
    output.appendPagesFromReader(promo_pdf)