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import codecs
import json
import random
import re
import urllib.parse
import urllib.request
from collections import namedtuple
from decimal import Decimal
from currencies.config import *
URL = "https://telexoo.tegona.com/convert/"
Quote = namedtuple('Quote', ['curr_from', 'curr_to', 'rate'])
def execute(curr_from, curr_to):
MULT = random.randint(1000, 9999)
CURRENCY = {
MONEY_CURRENCY_EUR: "EUR",
MONEY_CURRENCY_CHF: "CHF",
MONEY_CURRENCY_USD: "USD",
MONEY_CURRENCY_GBP: "GBP",
MONEY_CURRENCY_PLN: "PLN"
}
curr_from = CURRENCY[curr_from]
curr_to = CURRENCY[curr_to]
params = urllib.parse.urlencode({
's1': curr_from,
's2': curr_to,
'amount': str(MULT),
'action': 'sell',
'language': 'en',
'verbose': '0',
})
request = urllib.request.Request(URL + "?" + params)
request.add_header(
"User-Agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; FSL 7.0.6.01001)")
with urllib.request.urlopen(request) as f:
f2 = codecs.getreader('utf-8')(f)
response = json.load(f2)
result_raw = response[0]['result'].replace(",", "")
match = re.match("^{} ([0-9\.]*)$".format(curr_to), result_raw)
if not match:
raise Exception("Invalid response in 'result' field")
result = Decimal(match.groups()[0]) / MULT
return Quote(curr_from, curr_to, float(result))
if __name__ == "__main__":
from pprint import pprint
pprint(execute("EUR", "CHF"))
pprint(execute("CHF", "EUR"))
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