pdf_slidedeck_to_pptx.py

#!/usr/bin/python

import sys, os
from wand.image import Image
from pptx import Presentation
from pptx.util import Px

pdf = sys.argv[1]

landscape_crops = [
(0.153, 0.137, 0.463, 0.465),
(0.537, 0.137, 0.848, 0.465),
(0.153, 0.534, 0.463, 0.862),
(0.537, 0.534, 0.848, 0.862),
] 

portrait_crops = [
(0.199, 0.155, 0.800, 0.473),
(0.199, 0.525, 0.800, 0.844)
]

images = list()
index = 0
for page in range(0, 99):
	try:
		img = Image(filename='%s[%d]' % (pdf, page), resolution=300)
	except:
		break	
	if (img.size[0] > img.size[1]):
		print "Landscape mode"
		crops = landscape_crops
	else:
		print "Portrait mode"
		crops = portrait_crops
	for crop in crops:
		cimg = img.clone()
		cimg.crop(int(crop[0]*img.size[0]), int(crop[1]*img.size[1]), int(crop[2]*img.size[0]), int(crop[3]*img.size[1]))
		path = '/tmp/%s.slide-%d.png' % (pdf, index)
		images.append(path)
		cimg.save(filename=path)
		index += 1
prs = Presentation()
blank_slidelayout = prs.slidelayouts[6]
for image in images:
	slide = prs.slides.add_slide(blank_slidelayout)
	slide.shapes.add_picture(image, Px(0), Px(0), Px(720), Px(532))
	os.remove(image)
filename = '%s.pptx' % pdf
print "Saved to %s" % filename
prs.save(filename)