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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
from time import time
class Py3status:
# possible markets see http://bitcoincharts.com/markets/list/
cache_timeout = 900 # load max. every 15 min (according to bitcoincharts)
color_index = -1 # color output according to which market?
field = 'close' # see http://bitcoincharts.com/about/markets-api/
markets = 'btceEUR, btcdeEUR' # comma separated
symbols = True # convert USD -> $ etc.
def __init__(self):
self.last_price = 0
self.currency_map = {'EUR': '€', 'USD': '$', 'GBP': '£',
'YEN': '¥', 'CNY': '¥', 'AUD': '$'}
self.url = 'http://api.bitcoincharts.com/v1/markets.json'
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}
try: # python 3
import urllib.request as ul
except: # python 2
import urllib2 as ul
# 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
out = market[:-3] if rate else market # market name
out += ': '
out += 'N/A' if not rate else '{:.2f}'.format(rate) # rate
currency_sym = self.currency_map.get(market[-3:], market[-3:])
out += currency_sym if self.symbols else market
rates.append(out)
# don't color multiple sites if no color_index is given
if len(rates) == 1 or self.color_index > -1:
if self.last_price == 0:
pass
elif color_rate < self.last_price:
response['color'] = i3s_config['color_bad']
elif color_rate > self.last_price:
response['color'] = i3s_config['color_good']
self.last_price = color_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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