osmamige

from lxml import html
import requests
import re
import sys

class CoinMarketCap(object):
    def __init__(self):
        self.tree = html.fromstring(requests.get('http://coinmarketcap.com').text)
        self.euro_dollar = float(self.tree.xpath('//div[@id="currency-exchange-rates"]/@data-eur')[0])

osmamige

from lxml import html
import requests
import re
import sys
from optparse import OptionParser

class CoinMarketCap(object):
    def __init__(self):
        self.tree = html.fromstring(requests.get('http://coinmarketcap.com').text)
        self.euro_dollar = float(self.tree.xpath('//div[@id="currency-exchange-rates"]/@data-eur')[0])