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#!/usr/bin/python
import tempfile
import subprocess
import shutil
import os
import sys
def main ():
workdir = tempfile.mkdtemp()
bgfiles = {'wotc': os.path.expanduser("~") + r'/lib/annex/rt/complete/Dungeons and Dragons/3.5 Core Rulebooks/Blank WoTC Stationary/D&D Blank Pages.pdf'}
if not(len(sys.argv) == 3):
print "wrong number of arguments"
return 1
# sys.argv[1] is the bgfiles key, sys.argv[2] is the file to be processed
if sys.argv[2][-3:] == "tex":
thepdf = sys.argv[2][:-3] + 'pdf'
else:
thepdf = sys.argv[2]
subprocess.call(['pdftk', bgfiles[sys.argv[1]], 'cat', '1', 'output', workdir + '/odd_bg.pdf'])
subprocess.call(['pdftk', bgfiles[sys.argv[1]], 'cat', '2', 'output', workdir + '/even_bg.pdf'])
subprocess.call(['pdftk', thepdf, 'cat', '1-endodd', 'output', workdir + '/odd.pdf'])
subprocess.call(['pdftk', thepdf, 'cat', '1-endeven', 'output', workdir + '/even.pdf'])
subprocess.call(['pdftk', workdir + '/odd.pdf', 'background', workdir + '/odd_bg.pdf', 'output', workdir + '/odd_bged.pdf'])
subprocess.call(['pdftk', workdir + '/even.pdf', 'background', workdir + '/even_bg.pdf', 'output', workdir + '/even_bged.pdf'])
subprocess.call(['pdftk', 'A=' + workdir + '/odd_bged.pdf', 'B=' + workdir + '/even_bged.pdf', 'shuffle', 'A', 'B', 'output', thepdf])
shutil.rmtree(workdir)
if __name__ == "__main__":
main()
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