ThomasV
12 years ago
11 changed files with 287 additions and 202 deletions
@ -1,62 +0,0 @@ |
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from PyQt4.QtCore import SIGNAL |
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import decimal |
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import httplib |
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import json |
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import threading |
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class Exchanger(threading.Thread): |
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def __init__(self, parent): |
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threading.Thread.__init__(self) |
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self.daemon = True |
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self.parent = parent |
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self.quote_currencies = None |
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self.lock = threading.Lock() |
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# Do price discovery |
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self.start() |
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def exchange(self, btc_amount, quote_currency): |
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with self.lock: |
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if self.quote_currencies is None: |
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return None |
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quote_currencies = self.quote_currencies.copy() |
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if quote_currency not in quote_currencies: |
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return None |
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return btc_amount * quote_currencies[quote_currency] |
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def run(self): |
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self.discovery() |
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def discovery(self): |
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try: |
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connection = httplib.HTTPConnection('blockchain.info') |
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connection.request("GET", "/ticker") |
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except: |
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return |
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response = connection.getresponse() |
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if response.reason == httplib.responses[httplib.NOT_FOUND]: |
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return |
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try: |
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response = json.loads(response.read()) |
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except: |
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return |
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quote_currencies = {} |
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try: |
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for r in response: |
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quote_currencies[r] = self._lookup_rate(response, r) |
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with self.lock: |
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self.quote_currencies = quote_currencies |
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self.parent.emit(SIGNAL("refresh_balance()")) |
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except KeyError: |
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pass |
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def get_currencies(self): |
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return [] if self.quote_currencies == None else sorted(self.quote_currencies.keys()) |
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def _lookup_rate(self, response, quote_id): |
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return decimal.Decimal(str(response[str(quote_id)]["15m"])) |
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if __name__ == "__main__": |
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exch = Exchanger(("BRL", "CNY", "EUR", "GBP", "RUB", "USD")) |
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print exch.exchange(1, "EUR") |
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@ -0,0 +1,135 @@ |
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from PyQt4.QtGui import * |
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from PyQt4.QtCore import * |
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import decimal |
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import httplib |
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import json |
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import threading |
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import re |
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from decimal import Decimal |
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from electrum.plugins import BasePlugin |
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from electrum.i18n import _ |
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from electrum_gui.gui_classic.qt_util import * |
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class Exchanger(threading.Thread): |
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def __init__(self, parent): |
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threading.Thread.__init__(self) |
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self.daemon = True |
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self.parent = parent |
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self.quote_currencies = None |
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self.lock = threading.Lock() |
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def exchange(self, btc_amount, quote_currency): |
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with self.lock: |
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if self.quote_currencies is None: |
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return None |
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quote_currencies = self.quote_currencies.copy() |
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if quote_currency not in quote_currencies: |
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return None |
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return btc_amount * quote_currencies[quote_currency] |
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def run(self): |
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try: |
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connection = httplib.HTTPConnection('blockchain.info') |
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connection.request("GET", "/ticker") |
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except: |
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return |
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response = connection.getresponse() |
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if response.reason == httplib.responses[httplib.NOT_FOUND]: |
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return |
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try: |
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response = json.loads(response.read()) |
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except: |
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return |
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quote_currencies = {} |
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try: |
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for r in response: |
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quote_currencies[r] = self._lookup_rate(response, r) |
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with self.lock: |
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self.quote_currencies = quote_currencies |
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self.parent.emit(SIGNAL("refresh_balance()")) |
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except KeyError: |
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pass |
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print self.quote_currencies |
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def get_currencies(self): |
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return [] if self.quote_currencies == None else sorted(self.quote_currencies.keys()) |
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def _lookup_rate(self, response, quote_id): |
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return decimal.Decimal(str(response[str(quote_id)]["15m"])) |
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class Plugin(BasePlugin): |
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def fullname(self): |
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return "Exchange rates" |
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def description(self): |
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return """exchange rates""" |
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def init(self): |
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self.win = self.gui.main_window |
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self.exchanger = Exchanger(self.win) |
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self.win.connect(self.win, SIGNAL("refresh_balance()"), self.win.update_wallet) |
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# Do price discovery |
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self.exchanger.start() |
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self.gui.exchanger = self.exchanger |
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def set_status_text(self, text): |
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m = re.match( _( "Balance" ) + ": (\d.+) " + self.win.base_unit(), str(text)) |
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if m: |
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amount = Decimal(m.group(1)) |
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text += self.create_quote_text(amount) |
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self.win.balance_label.setText(text) |
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def create_quote_text(self, btc_balance): |
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quote_currency = self.config.get("currency", "None") |
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quote_balance = self.exchanger.exchange(btc_balance, quote_currency) |
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if quote_balance is None: |
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quote_text = "" |
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else: |
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quote_text = " (%.2f %s)" % (quote_balance, quote_currency) |
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return quote_text |
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def requires_settings(self): |
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return True |
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def settings_dialog(self): |
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d = QDialog(self.win) |
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vbox = QVBoxLayout(d) |
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grid = QGridLayout() |
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vbox.addLayout(grid) |
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currencies = self.exchanger.get_currencies() |
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currencies.insert(0, "None") |
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cur_label=QLabel(_('Currency') + ':') |
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grid.addWidget(cur_label , 2, 0) |
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cur_combo = QComboBox() |
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cur_combo.addItems(currencies) |
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try: |
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index = currencies.index(self.config.get('currency', "None")) |
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except: |
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index = 0 |
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cur_combo.setCurrentIndex(index) |
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grid.addWidget(cur_combo, 2, 1) |
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grid.addWidget(HelpButton(_('Select which currency is used for quotes.') + ' '), 2, 2) |
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vbox.addLayout(ok_cancel_buttons(d)) |
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if d.exec_(): |
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cur_request = str(currencies[cur_combo.currentIndex()]) |
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if cur_request != self.config.get('currency', "None"): |
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self.config.set_key('currency', cur_request, True) |
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self.win.update_wallet() |
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