btc/ltc/usd ticker

ticker.py

#!/usr/bin/env python

# Based on the Gmail appindicator from
# http://conjurecode.com/create-indicator-applet-for-ubuntu-unity-with-python/

import sys
import os
import gtk
import appindicator
import requests

import imaplib
import re

PING_FREQUENCY = 2 # seconds

class CheckStock:

    def __init__(self):
        self.ind = appindicator.Indicator('new-stock-indicator',
                                           '',
                                           appindicator.CATEGORY_OTHER)
        self.ind.set_status(appindicator.STATUS_ACTIVE)

        self.menu_setup()
        self.ind.set_menu(self.menu)

    def menu_setup(self):
        self.menu = gtk.Menu()

        self.refresh_item = gtk.MenuItem('Refresh')
        self.refresh_item.connect('activate', self.refresh)
        self.refresh_item.show()
        self.menu.append(self.refresh_item)

        self.reload_item = gtk.MenuItem('Reload')
        self.reload_item.connect('activate', self.reload)
        self.reload_item.show()
        self.menu.append(self.reload_item)

        self.quit_item = gtk.MenuItem('Quit')
        self.quit_item.connect('activate', self.quit)
        self.quit_item.show()
        self.menu.append(self.quit_item)

    def main(self):
        self.update_stock_price()
        gtk.timeout_add(PING_FREQUENCY * 1000, self.update_stock_price)
        gtk.main()

    def quit(self, widget):
        sys.exit(0)

    def refresh(self, widget):
        self.update_stock_price()

    def reload(self, widget):
        # If this script was updated, just reload it instead of forcing the
        # user to quit first.
        os.execl(sys.executable, *([sys.executable]+sys.argv))

    def update_stock_price(self):
        try:
            btc = requests.get('https://btc-e.com/api/2/btc_usd/ticker').json()
            ltc = requests.get('https://btc-e.com/api/2/ltc_usd/ticker').json()

            self.ind.set_label('BTC: %0.2f LTC: %0.2f' % (btc['ticker']['last'], ltc['ticker']['last']))
        except:
            self.ind.set_label('???')
        return True

if __name__ == '__main__':
    indicator = CheckStock()
    indicator.main()