[modules/getcrypto] Get crypto prices module

A module for getting the prices of BTC, ETH and/or LTC from Kraken.

bumblebee/modules/getcrypto.py

@@ -0,0 +1,66 @@
+# pylint: disable=C0111,R0903
+
+"""Displays the price of a cryptocurrency.
+
+Requires the following python packages:
+    * requests
+
+Parameters:
+    * getcrypto.interval: Interval in seconds for updating the price, default is 60, less than that will get your IP banned.
+    * getcrypto.getbtc: 0 for not getting price of BTC, 1 for getting it (default).
+    * getcrypto.geteth: 0 for not getting price of ETH, 1 for getting it (default).
+    * getcrypto.getltc: 0 for not getting price of LTC, 1 for getting it (default).
+"""
+
+import requests
+import time
+import bumblebee.input
+import bumblebee.output
+import bumblebee.engine
+
+def getfromkrak(coin):
+    if coin=='Btc':
+        epair = "xbtusd"
+        tickname = "XXBTZUSD"
+    if coin=='Eth':
+        epair = "ethusd"
+        tickname = "XETHZUSD"
+    if coin=='Ltc':
+        epair = "ltcusd"
+        tickname = "XLTCZUSD"
+    krakenget = requests.get('https://api.kraken.com/0/public/Ticker?pair='+epair).json()
+    kethusdask = float(krakenget['result'][tickname]['a'][0])
+    kethusdbid = float(krakenget['result'][tickname]['b'][0])
+    return coin+": "+str((kethusdask+kethusdbid)/2)[0:6]
+
+
+class Module(bumblebee.engine.Module):
+    def __init__(self, engine, config):
+        super(Module, self).__init__(engine, config,
+            bumblebee.output.Widget(full_text=self.curprice)
+        )
+        self._curprice = 0
+        self._nextcheck = 0
+        self._interval = int(self.parameter("interval", "120"))
+        self._getbtc = int(self.parameter("getbtc", "1"))
+        self._geteth = int(self.parameter("geteth", "1"))
+        self._getltc = int(self.parameter("getltc", "1"))
+        #engine.input.register_callback(self, button=bumblebee.input.LEFT_MOUSE,
+        #    cmd="gnome-system-monitor")
+
+    def curprice(self, widget):
+        return self._curprice
+
+    def update(self, widgets):
+        if self._nextcheck < int(time.time()):
+            self._nextcheck = int(time.time()) + self._interval
+            btcprice, ethprice, ltcprice = "", "", ""
+            if self._getbtc==1:
+                btcprice= getfromkrak('Btc')
+            if self._geteth==1:
+                ethprice=getfromkrak('Eth')
+            if self._getltc==1:
+                ltcprice=getfromkrak('Ltc')
+            self._curprice = btcprice+" "*(self._getbtc*self._geteth)+ethprice+" "*(self._getltc*max(self._getbtc, self._geteth))+ltcprice
+
+# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4