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