"""

See http://pbpython.com/creating-powerpoint.html for details on this script

Requires https://python-pptx.readthedocs.org/en/latest/index.html

Program takes a PowerPoint input file and generates a marked up version that

shows the various layouts and placeholders in the template.

"""

from __future__ import print_function

from pptx import Presentation

import argparse

def parse_args():

""" Setup the input and output arguments for the script

Return the parsed input and output files

"""

parser = argparse.ArgumentParser(description='Analyze powerpoint file structure')

parser.add_argument('infile',

type=argparse.FileType('r'),

help='Powerpoint file to be analyzed')

parser.add_argument('outfile',

type=argparse.FileType('w'),

help='Output powerpoint')

return parser.parse_args()

def analyze_ppt(input, output):

""" Take the input file and analyze the structure.

The output file contains marked up information to make it easier

for generating future powerpoint templates.

"""

prs = Presentation(input)

# Each powerpoint file has multiple layouts

# Loop through them all and see where the various elements are

for index, _ in enumerate(prs.slide_layouts):

slide = prs.slides.add_slide(prs.slide_layouts[index])

# Not every slide has to have a title

try:

title = slide.shapes.title

title.text = 'Title for Layout {}'.format(index)

except AttributeError:

print("No Title for Layout {}".format(index))

# Go through all the placeholders and identify them by index and type

for shape in slide.placeholders:

if shape.is_placeholder:

phf = shape.placeholder_format

# Do not overwrite the title which is just a special placeholder

try:

if 'Title' not in shape.text:

shape.text = 'Placeholder index:{} type:{}'.format(phf.idx, shape.name)

except AttributeError:

print("{} has no text attribute".format(phf.type))

print('{} {}'.format(phf.idx, shape.name))

prs.save(output)

if __name__ == "__main__":

args = parse_args()

analyze_ppt(args.infile.name, args.outfile.name)