# -*- coding: utf8 -*-
import csv
from xml.dom import minidom
import codecs

housedb_filename = "adressen.txt"
reader = csv.reader(open(housedb_filename, 'r'), delimiter=";")
my_houses = {}
for row in reader:
    #print row
    k = row[0]
    v = row[1]
    if k not in my_houses.keys():
        my_houses[k] = []
    my_houses[k].append(v)

# my_houses[Straße] = [Nummer1,Nummer2,NummerN]

osmfile = "map.osm"
osmfile_out = "map_mod.osm" ## Achtung, wird überschrieben


xmldoc = minidom.parse(osmfile)
itemlist = xmldoc.getElementsByTagName('way')
for one_way in itemlist :
    tags = one_way.getElementsByTagName('tag')
    way_street = ''
    way_housenumber = ''
    for one_tag in tags:
        if (one_tag.attributes['k'].value == u'addr:street'):
            way_street = one_tag.attributes['v'].value
        if (one_tag.attributes['k'].value == u'addr:housenumber'):
            way_housenumber = one_tag.attributes['v'].value
    if way_street != '' and way_housenumber != '':
        if way_street in my_houses.keys() and way_housenumber in my_houses[way_street]:
            #print "Ich habe %s %s gebaut" % (way_street, way_housenumber)
            el = minidom.Element('tag')
            el.setAttribute('k','built_by')
            el.setAttribute('v','vaddern')
            one_way.appendChild(el)
            #print one_way.toxml()

xmldoc.writexml(codecs.open(osmfile_out,encoding='utf8',mode="w"))