BTCPrivate
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electrum-bitcoinprivate
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Defer discovery of exchange rate until later to make program startup faster.

This commit is contained in:
Amir Taaki 2012-06-30 15:54:02 +02:00
parent 8d75b68152
commit 8efc081ded
2 changed files with 16 additions and 9 deletions
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7
lib/exchange_rate.py
View File

@ -6,9 +6,13 @@ class Exchanger:
def __init__(self, quote_currencies, refresh_balance):
self.refresh_balance = refresh_balance
self.quote_currencies = {}
self.quote_currencies = None
def exchange(self, btc_amount, quote_currency):
if self.quote_currencies is None:
return None
if quote_currency not in self.quote_currencies:
return None
return btc_amount * self.quote_currencies[quote_currency]
def discovery(self):
@ -22,6 +26,7 @@ class Exchanger:
# 2 = BTC:EUR
# 3 = BTC:USD
# 4 = BTC:PLN
self.quote_currencies = {}
try:
self.quote_currencies["GBP"] = self.lookup_rate(response, 1)
self.quote_currencies["EUR"] = self.lookup_rate(response, 2)

18
lib/gui_lite.py
View File

@ -88,10 +88,10 @@ class MiniWindow(QDialog):
self.quote_currencies = ("EUR", "USD", "GBP")
self.exchanger = exchange_rate.Exchanger(self.quote_currencies,
self.refresh_balance)
QTimer.singleShot(1000, self.exchanger.discovery)
self.balance_label = BalanceLabel(self.change_quote_currency)
self.balance_label.setObjectName("balance_label")
self.exchanger.discovery()
copy_button = QPushButton(_("&Copy Address"))
copy_button.setObjectName("copy_button")
@ -174,13 +174,15 @@ class MiniWindow(QDialog):
self.btc_balance = btc_balance
quote_currency = self.quote_currencies[0]
quote_balance = self.exchanger.exchange(btc_balance, quote_currency)
quote_balance = "%.2f" % (quote_balance / bitcoin(1))
if quote_balance is None:
quote_text = ""
else:
quote_text = "(%.2f %s)" % ((quote_balance / bitcoin(1)),
quote_currency)
btc_balance = "%.2f" % (btc_balance / bitcoin(1))
self.balance_label.set_balances( \
btc_balance, quote_balance, quote_currency)
self.balance_label.set_balances(btc_balance, quote_text)
main_account_info = \
"Checking - %s BTC (%s %s)" % (btc_balance,
quote_balance, quote_currency)
"Checking - %s BTC %s" % (btc_balance, quote_text)
self.setWindowTitle("Electrum - %s" % main_account_info)
self.accounts_selector.clear()
self.accounts_selector.addAction("%s" % main_account_info)
@ -211,8 +213,8 @@ class BalanceLabel(QLabel):
super(QLabel, self).__init__(_("Connecting..."), parent)
self.change_quote_currency = change_quote_currency
def set_balances(self, btc_balance, quote_balance, quote_currency):
label_text = "<span style='font-size: 16pt'>%s</span> <span style='font-size: 10pt'>BTC</span> <span style='font-size: 10pt'>(%s %s)</span>" % (btc_balance, quote_balance, quote_currency)
def set_balances(self, btc_balance, quote_text):
label_text = "<span style='font-size: 16pt'>%s</span> <span style='font-size: 10pt'>BTC</span> <span style='font-size: 10pt'>%s</span>" % (btc_balance, quote_text)
self.setText(label_text)
def mousePressEvent(self, event):