mixster

#!/usr/bin/env python

import xml.parsers.expat
import urllib

url = 'http://api.erepublik.com/v2/feeds/countries'

f = urllib.urlopen(url)

s = ''
for line in f:
  s += line

f.close()

population = ''
checkPop  = False
checkName = False
inRegions = False

countries = []

p = xml.parsers.expat.ParserCreate()
def start_element(name, attrs):
  global checkPop, checkName, inRegions
  if name == 'citizen-count':
    checkPop = True
  elif not inRegions and name == 'name':
    checkName = True
  elif name == 'regions':
    inRegions = True

def end_element(name):
  global inRegions
  if name == 'regions':
    inRegions = False

def char_data(data):
  global checkPop, checkName, population, countries

  if checkPop:
    population = data
    checkPop = False
  elif checkName:
    countries.append((data, int(population)))
    checkName = False

p = xml.parsers.expat.ParserCreate()

p.StartElementHandler = start_element
p.EndElementHandler = end_element
p.CharacterDataHandler = char_data

p.Parse(s)

m = len(countries)
for a in range(1, m):
  t = countries[a]
  b = a - 1
  while (b >= 0 and t[1] > countries[b][1]):
    countries[b + 1] = countries[b]
    b -= 1
  countries[b + 1] = t

for c in countries:
  print c[0] + ': ', c[1]