mixster

#!/usr/bin/env python

import xml.parsers.expat
import urllib

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

class Countries(object):
  def __init__(self):
    self.countries = []

  def newElement(self, name, attrs):
    if name == 'country':
      self.countries.append(Country())
    else:
      if len(self.countries) > 0:
        self.countries[-1].newElement(name, attrs)

  def endElement(self, name):
    if len(self.countries) > 0:
      self.countries[-1].endElement(name)

  def newData(self, data):
    if len(self.countries) > 0:
      self.countries[-1].newData(data)

class Country(object):
  def __init__(self):
    self.regions = []
    self.mode, self.name, self.id, self.currency = '', '', '', ''
    self.population = 0

  def newElement(self, name, attrs):
    if self.mode == 'regions':
      if name == 'region':
        self.regions.append(Country())
      else:
        if len(self.regions) > 0:
          self.regions[-1].newElement(name, attrs)
    else:
      self.mode = name

  def endElement(self, name):
    self.mode = ''
    if len(self.regions) > 0:
      self.regions[-1].endElement(name)

  def newData(self, data):
    if self.mode == 'name':
      self.name = data
    elif self.mode == 'id':
      self.id = data
    elif self.mode == 'currency':
      self.currency = data
    elif self.mode == 'citizen-count':
      self.population = int(data)
    elif len(self.regions) > 0:
      self.regions[-1].newData(data)

class Region(object):
  def __init__(self):
    self.mode, self.name, self.id = '', '', ''

  def newElement(self, name, attrs):
    self.mode = name

  def endElement(self, name):
    self.mode = ''

  def newData(self, data):
    if self.mode == 'name':
      self.name = data
    elif self.mode == 'id':
      self.id = data

f = urllib.urlopen(url)

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

f.close()

countries = Countries()

p = xml.parsers.expat.ParserCreate()
p.StartElementHandler = countries.newElement
p.EndElementHandler = countries.endElement
p.CharacterDataHandler = countries.newData

p.Parse(s)

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

for c in countries.countries:
  print c.name + ' (' + c.id + '): ', c.population, ' - ' + c.currency