#!/usr/bin/env python
# -*- coding: utf-8 -*-
from . import base
import json
import locale
from six.moves.urllib.request import urlopen
[docs]class BitcoinTicker(base.ThreadedPollText):
''' A bitcoin ticker widget, data provided by the btc-e.com API. Defaults to
displaying currency in whatever the current locale is.
'''
QUERY_URL = "https://btc-e.com/api/2/btc_%s/ticker"
defaults = [
('currency', locale.localeconv()['int_curr_symbol'].strip(),
'The currency the value of bitcoin is displayed in'),
('format', 'BTC Buy: {buy}, Sell: {sell}',
'Display format, allows buy, sell, high, low, avg, '
'vol, vol_cur, last, variables.'),
]
def __init__(self, **config):
base.ThreadedPollText.__init__(self, **config)
self.add_defaults(BitcoinTicker.defaults)
def poll(self):
res = urlopen(self.QUERY_URL % self.currency.lower())
formatted = {}
res = json.loads(res.read().decode())
if 'error' in res and res['error'] == "invalid pair":
locale.setlocale(locale.LC_MONETARY, "en_US.UTF-8")
self.currency = locale.localeconv()['int_curr_symbol'].strip()
res = urlopen(self.QUERY_URL % self.currency.lower())
res = json.loads(res.read())
for k, v in res['ticker'].items():
formatted[k] = locale.currency(v)
return self.format.format(**formatted)