Extraer el numero de paginas de DOCX

metadatos_docx.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Mon Jul 15 12:26:25 2019

@author: samtux
"""

import zipfile
import xml.etree.ElementTree as ET

documento = "/home/samtux/Documentos/Plantilla_elaboracion_documentos.docx"
zf = zipfile.ZipFile(documento, 'r')

root = ET.fromstring(zf.read("docProps/app.xml").decode('utf-8'))
total_paginas = 0


for child in root:
    if child.tag.find("Pages") > -1:
        total_paginas = int(child.text)

print("*"*20)
print(total_paginas)
print("*"*20)


zf.close()