ppt2pdf.py

import os
import sys
import comtypes.client 

def main():
    in_file = os.path.abspath(sys.argv[1])
    out_file = os.path.abspath("%s.pdf" % sys.argv[1])

    try:
        powerpoint_application = comtypes.client.CreateObject('Powerpoint.Application')
        powerpoint_application.Visible = True
        ppt = powerpoint_application.Presentations.Open(in_file)
        ppt.SaveAs(out_file, FileFormat=32)
    except Exception, e:
        print e
    finally:
        ppt.Close()
        powerpoint_application.Quit()


if __name__ == '__main__':
    main()