from BeautifulSoup import BeautifulSoup as Soup
from datetime import date
from urllib2 import urlopen
import soupselect; soupselect.monkeypatch()

def getCurrencyRate():
    result = {}
    today = date.today()
    currencyDict = {'usd': 'R01235', 'eur': 'R01239'}

    currentDay = today.day
    currentMonth = today.month
    currentYear = today.year

    if currentDay > 1:
        startDate = date(currentYear, currentMonth, 1)
    else:
        startDate = date(currentYear, currentMonth-1, 1)
    endDate = date(currentYear+1, 1, 1)

    data = {
        'cbrUrl': 'http://www.cbr.ru/currency_base/DD_print.aspx',
        'startDate': startDate.strftime('%d.%m.%Y'),
        'endDate': endDate
    }
    uri = u'%(cbrUrl)s?date_req1=%(startDate)s&date_req2=%(endDate)s&VAL_NM_RQ=' % data

    for i in currencyDict.iteritems():
        html = urlopen(uri + i[1])
        soup = Soup(html.read())
        currencyString = soup.findSelect('table.CBRTBL td')[-1].text
        result[i[0]] = float(currencyString.replace(',', '.'))
    return result

print getCurrencyRate()