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#!/usr/bin/env python
'''
usage: subset.py my.pdf firstpage lastpage
Creates subset_<pagenum>_to_<pagenum>.my.pdf
Uses Form XObjects and reportlab to create output file.
Demonstrates use of pdfrw with reportlab.
'''
import sys
import os
from reportlab.pdfgen.canvas import Canvas
from pdfrw import PdfReader
from pdfrw.buildxobj import pagexobj
from pdfrw.toreportlab import makerl
def go(inpfn, firstpage, lastpage):
firstpage, lastpage = int(firstpage), int(lastpage)
outfn = 'subset.' + os.path.basename(inpfn)
pages = PdfReader(inpfn).pages
pages = [pagexobj(x) for x in pages[firstpage - 1:lastpage]]
canvas = Canvas(outfn)
for page in pages:
canvas.setPageSize((page.BBox[2], page.BBox[3]))
canvas.doForm(makerl(canvas, page))
canvas.showPage()
canvas.save()
if __name__ == '__main__':
inpfn, firstpage, lastpage = sys.argv[1:]
go(inpfn, firstpage, lastpage)
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