Add image to existing PDF file in Python using reportlab

Create PDF file in Python using the open source Python library from Reportlab.

Add several pages to the PDF file.

See also Creating PDF files using Python and reportlab

examples/python/pdf_add_image.py

from reportlab.pdfgen import canvas


def create_pdf():
    pdf_file = 'multipage.pdf'

    can = canvas.Canvas(pdf_file)

    can.drawString(20, 800, "First Page")
    can.showPage()

    can.drawString(20, 800, "Second Page")
    can.showPage()

    can.drawString(20, 700, "Third Page")
    can.showPage()

    can.save()

def add_image():

    from PyPDF2 import PdfFileWriter, PdfFileReader
    import io

    in_pdf_file = 'multipage.pdf'
    out_pdf_file = 'with_image.pdf'
    img_file = '../../static/img/code_maven_440x440.png'

    packet = io.BytesIO()
    can = canvas.Canvas(packet)
    #can.drawString(10, 100, "Hello world")
    x_start = 0
    y_start = 0
    can.drawImage(img_file, x_start, y_start, width=120, preserveAspectRatio=True, mask='auto')
    can.showPage()
    can.showPage()
    can.showPage()
    can.save()

    #move to the beginning of the StringIO buffer
    packet.seek(0)

    new_pdf = PdfFileReader(packet)

    # read the existing PDF
    existing_pdf = PdfFileReader(open(in_pdf_file, "rb"))
    output = PdfFileWriter()

    for i in range(len(existing_pdf.pages)):
        page = existing_pdf.getPage(i)
        page.mergePage(new_pdf.getPage(i))
        output.addPage(page)

    outputStream = open(out_pdf_file, "wb")
    output.write(outputStream)
    outputStream.close()


create_pdf()
add_image()