CentralBankCurrency

centralbank.py

import xml.etree.ElementTree as ET
import urllib3


class Valute:
    def __init__(self, node):
        self.node = node
        for n in node.iter():
            if "ID" in n.attrib:
                self.id = n.attrib["ID"]
            elif n.tag == "NumCode":
                self.numcode = n.text
            elif n.tag == "CharCode":
                self.charcode = n.text
            elif n.tag == "Nominal":
                self.nominal = n.text
            elif n.tag == "Name":
                self.name = n.text
            elif n.tag == "Value":
                self.value = n.text

    def __str__(self):
        return "ID: {0}\n" \
               "NumCode: {1}\n" \
               "CharCode: {2}\n" \
               "Nominal: {3}\n" \
               "Name: {4}\n" \
               "Value: {5}".format(self.id,
                                   self.numcode,
                                   self.charcode,
                                   self.nominal,
                                   self.name,
                                   self.value)


class CentralBankCurrency:
    def __init__(self, url='http://www.cbr.ru/scripts/XML_daily.asp', METHOD="GET"):
        http = urllib3.PoolManager()
        self.url = url
        self.METHOD = METHOD
        self.request = http.request(self.METHOD, url)
        self.root = ET.fromstring(self.request.data)
        self.valutes = {}
        for v in self.root.findall('Valute'):
            valute = Valute(v)
            self.valutes[valute.charcode] = valute
            super(CentralBankCurrency, self).__setattr__(valute.charcode.lower(), valute)

if __name__ == "__main__":
    c = CentralBankCurrency()
    print(c.jpy)
    print(c.eur.value)