1 files changed, 77 insertions, 0 deletions
diff --git a/py3status/modules/crypto-price-checker.py b/py3status/modules/crypto-price-checker.py
new file mode 100644
index 0000000..c717952
--- /dev/null
+++ b/py3status/modules/crypto-price-checker.py
@@ -0,0 +1,77 @@
+# -*- 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)