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Split a PDF vertically, used for scanned double sided PDF pages
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# Source http://stackoverflow.com/a/15741856/1301753 | |
import copy | |
import sys | |
import math | |
import PyPDF2 | |
def split_pages(src, dst): | |
src_f = open(src, 'r+b') | |
dst_f = open(dst, 'w+b') | |
input = PyPDF2.PdfFileReader(src_f) | |
output = PyPDF2.PdfFileWriter() | |
for i in range(input.getNumPages()): | |
p = input.getPage(i) | |
q = copy.copy(p) | |
q.mediaBox = copy.copy(p.mediaBox) | |
x1, x2 = p.mediaBox.lowerLeft | |
x3, x4 = p.mediaBox.upperRight | |
x1, x2 = math.floor(x1), math.floor(x2) | |
x3, x4 = math.floor(x3), math.floor(x4) | |
x5, x6 = math.floor(x3/2), math.floor(x4/2) | |
if x3 > x4: | |
# horizontal | |
p.mediaBox.upperRight = (x5, x4) | |
p.mediaBox.lowerLeft = (x1, x2) | |
q.mediaBox.upperRight = (x3, x4) | |
q.mediaBox.lowerLeft = (x5, x2) | |
else: | |
# vertical | |
p.mediaBox.upperRight = (x3, x4) | |
p.mediaBox.lowerLeft = (x1, x6) | |
q.mediaBox.upperRight = (x3, x6) | |
q.mediaBox.lowerLeft = (x1, x2) | |
output.addPage(p) | |
output.addPage(q) | |
output.write(dst_f) | |
src_f.close() | |
dst_f.close() | |
input_file=input("Enter the original PDF file name :") | |
output_file=input("Enter the splitted PDF file name :") | |
split_pages(input_file,output_file) |
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Changed some lines of the script in order to make it work with python 3.
See: