TCMB Üzerinden Kurlarin İndirilmesi

#!/usr/bin/python        
# -*- coding:utf-8 -*-   
                         
################################################################################
# Huseyin OZDEMIR        
# husonet                
# 23.05.2014             
# Bu betik TCMB uzerinden kurlari indirmesi icin yazilmistir
################################################################################

import sys               
import time              
import re                
import urllib

RE_DESEN = '<Currency.*?CurrencyCode="(.*?)">.*?<ForexBuying>(.*?)</ForexBuying>'
RE_DESEN+= '<ForexSelling>(.*?)</ForexSelling>'
RE_DESEN+= '<BanknoteBuying>(.*?)</BanknoteBuying>'
RE_DESEN+= '<BanknoteSelling>(.*?)</BanknoteSelling>.*?</Currency>'
RE_DESEN = re.compile(RE_DESEN, re.DOTALL)
                         
                         
# DEBUG etmek icin 1     
DEBUG = 1 

#-------------------------------------------------------------------------------
# tcbmm sayfasindan kurlari getirir
def get_kur():           
    try:                 
        result = ''      
        p = urllib.urlopen('http://www.tcmb.gov.tr/kurlar/today.xml')
        result = p.read()
    except Exception, err:
        if DEBUG:        
            raise        
        else:
            print(str(err))
        result = None
    finally:
        return result

#-------------------------------------------------------------------------------
# kurlari ayatlayan fonksiyon
def get_parse_kur(sBody):
    try:
        result = ''
        g = RE_DESEN.findall(sBody)
        result = g
    except Exception, err:
        if DEBUG:
            raise
        else:
            print(str(err))
        result = None
    return result

#-------------------------------------------------------------------------------
# kurlari parse eder
def kur_islemleri():
    try:
        body  = get_kur()
        parses = get_parse_kur(body)
        for kod, alis, satis, efektif_alis, efektif_satis in parses:
            print kod
            print alis
            print satis
            print efektif_alis
            print efektif_satis
    except Exception, err:
        if DEBUG:
            raise
        else:
            print(str(err))
        result = None

if __name__ == '__main__':
    try:
        kur_islemleri()
    except Exception, err:
        print(str(err))