from collections import OrderedDict
import pickle
import xml.etree.ElementTree as et

"""
returns location mapping => { id : name }
"""
def location_mapping(self):
    #parse the xml file of the locations
    tree = et.parse(constants.DEVSET_TOPICS_DIR_PATH)
    #get the root tag of the xml file
    doc = tree.getroot()
    mapping = OrderedDict({})
    #map the location id(number) with the location name
    for topic in doc:
       mapping[topic.find("number").text] = topic.find("title").text
return mapping