Pdf merging

[shaynehansen]

I am trying to make my pdf appear as page 1 being the upper half of first page, and page 2 being the lower half of first page and so on.

Currently my code just moves page 2 onto page 1 completely overlaying what was on page 1 previously.

If anyone has any suggestions on how to achieve this I'd greatly appreciate it!

from PyPDF2 import PdfFileReader, PdfFileWriter


output = PdfFileWriter()

file_name = '81plots.pdf'

file1 = PdfFileReader(open(file_name, 'rb'))
file2 = PdfFileReader(open(file_name, 'rb'))

i = 0
for i in range(file1.getNumPages()-1):
    page = file1.getPage(i)
    page.mergePage(file2.getPage(i+1))
    output.addPage(page)

outfile = 'testfile.pdf'

with open(outfile, 'wb') as file:
    output.write(file)