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# -*- coding: utf-8 -*-
"""
Module for displaying bitcoin prices using
the API by www.bitcoincharts.com.
Written and contributed by @tasse:
Andre Doser <doser.andre AT gmail.com>
"""
import json
import urllib.request as ul
from time import time
import re
last_price = 0
class Py3status:
# possible markets see http://bitcoincharts.com/markets/list/
markets = 'btceEUR, btcdeEUR'
field = 'close'
cache_timeout = 900 # bitcoincharts: load max. every 15 min
symbols = True
color_index = -1
_url = 'http://api.bitcoincharts.com/v1/markets.json'
_map = {'EUR': '€', 'USD': '$', 'GBP': '£', 'YEN': '¥', 'CNY': '¥',
'AUD': '$'}
# markets according to the following lists:
#
def _get_price(self, data, market, field):
for m in data:
if m['symbol'] == market:
return m[field]
def get_rate(self, i3s_output_list, i3s_config):
response = {'full_text': '', 'name': 'bitcoin rates',
'cached_until': time() + self.cache_timeout}
# get the data from the bitcoincharts website
try:
data = json.loads(ul.urlopen(self._url).read().decode())
except Exception:
response['color'] = i3s_config['color_bad']
response['full_text'] = 'Bitcoincharts not reachable'
return response
# get the rate for each market given
rates, markets = [], self.markets.split(",")
color_rate = None
for i, market in enumerate(markets):
market = market.strip()
try:
rate = self._get_price(data, market, self.field)
if i == self.color_index:
color_rate = rate
except Exception:
pass
rates.append('{}: '.format((market[:-3] if rate else market))
+ ('N/A' if not rate
else ('{:.2f}{}'.format(rate, (self._map.get(market[-3:], market[-3:]) if self.symbols else market[-3:])))))
# don't color multiple sites if no color_index is given
global last_price
if len(rates) == 1 or self.color_index >= -1:
if last_price == 0:
pass
elif rate < last_price:
response['color'] = i3s_config['color_bad']
elif rate > last_price:
response['color'] = i3s_config['color_good']
last_price = rate
response['full_text'] = ', '.join(rates)
return response
if __name__ == '__main__':
from time import sleep
x = Py3status()
while True:
print(x.get_rate([], {'color_good': 'green',
'color_bad': 'red'}))
sleep(5)
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