from __future__ import print_function
import logging
from pyidf.idf import IDF
logging.info("start")
idf = IDF(r"/home/martin/pyidf/balfron.idf")

file = open('idd-8-3-0.idd', 'r')
IDFobjects = file.read().splitlines()  

f = open("obj","w")
for IDFobjects in IDFobjects:
    f.write(str(idf[IDFobjects][0].schema['fields']))
f.close()