Python script to help me keep track of how much of the university material I have gotten through up until exams

page_count.py

import win32com.client    # If I can be bothered, will switch to using an Open Source cross-platform API

from glob import glob
from PyPDF2 import PdfFileReader
from os import getcwd
from datetime import datetime


def pdf_page_count(filename):
    curr = open(filename, "rb")
    page_count = PdfFileReader(curr).getNumPages()
    curr.close()
    return page_count


def presentation_slide_count(filename):
    Presentation = PowerPoint.Presentations.Open(getcwd() + '\\' + filename)
    slide_count = len(Presentation.Slides)

    return slide_count


def document_page_count(filename):
    Doc = Word.Documents.Open(getcwd() + '\\' + filename)
    page_count = Doc.ActiveWindow.Panes(1).Pages.Count

    return page_count


if __name__ == '__main__':
    powerpoints = glob('*/*/*.pptx') + glob('*/*/*.ppt')
    documents = glob('*/*/*.docx') + glob('*/*/*.doc')
    pdf = glob('*/*/*.pdf')

    PowerPoint = win32com.client.Dispatch("PowerPoint.Application")
    #Word = win32com.client.Dispatch("Word.Application")

    total_pdf_pages = sum([pdf_page_count(pdf) for pdf in pdf])

    total_powerpoint_slides = sum([presentation_slide_count(presentation)
                                   for presentation in powerpoints])

    #document_page_count = sum([document_page_count(document)
    #                           for document in documents])

    #print 'document_page_count = {0}'.format(document_page_count)

    print 'total_pdf_pages = {0}'.format(total_pdf_pages)
    print 'total_powerpoint_slides = {0}'.format(total_powerpoint_slides)

    total_slide_count = total_pdf_pages + total_powerpoint_slides
    done = 449.0
    exams_start = datetime(year=2013, month=6, day=20, hour=13, minute=20)

    while exams_start > datetime.now():
        done = float(raw_input('\nHow many slides are you through now? [last_count={0}]: '.format(done)))
        time_left = exams_start - datetime.now()

        print '{0}% through'.format(done / total_slide_count * 100)
        print 'Need to do {per_day} for the next {days_left} days and {hours_left} hours'.format(
            per_day=(total_slide_count - done) / time_left.days,
            days_left=time_left.days,
            hours_left=time_left.total_seconds() / (60 * 60) % 24)