currency.py

#!/usr/bin/python

import requests, optparse
from bs4 import BeautifulSoup

PRECISION = 2
VERBOSE = False

parser = optparse.OptionParser()
parser.add_option('-f', '--from', action="store", dest="from")
parser.add_option('-t', '--to', action="store", dest="to")
parser.add_option('-a', '--amount', action="store", dest="amount", type="float")

options, args = parser.parse_args()

base_url = 'http://www.x-rates.com/calculator/'

r = requests.get(base_url, params=vars(options))
soup = BeautifulSoup(r.text)
result = list(soup.find("span", {"class": "ccOutputRslt"}).stripped_strings)
result_dict = {
    'currency': result[-1],
    'amount': float(''.join(result[:-1]).replace(",", "")),
    'meta': {
        'currency_from_to_string': soup.find("span", {"class": "OutputArgs"}).string,
        'from_amount_string': soup.find("span", {"class": "ccOutputTxt"}).string,
        'timestamp': soup.find("span", {"class": "calOutputTS"}).string
    }
}

if VERBOSE:
    print 'Result accurate as of: {time}'.format(time=result_dict['meta']['timestamp'])
    print result_dict['meta']['currency_from_to_string']
    print result_dict['meta']['from_amount_string'],
print '{amount:.{precision}f} {currency}'.format(amount=round(result_dict['amount'], PRECISION), currency=result_dict['currency'], precision=PRECISION)

LOL