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fix crash when exporting private keys

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This commit is contained in:
Marcel O'Neil
2018-01-11 18:19:45 -05:00
parent 453cc263f7
commit fe982cf826
1 changed files with 16 additions and 3 deletions
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19
gui/qt/main_window.py
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@@ -2269,25 +2269,38 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
private_keys = {} private_keys = {}
addresses = self.wallet.get_addresses() addresses = self.wallet.get_addresses()
done = False done = False
cancelled = False
def privkeys_thread(): def privkeys_thread():
for addr in addresses: for addr in addresses:
time.sleep(0.1) time.sleep(0.1)
if done: if done or cancelled:
break break
privkey = self.wallet.export_private_key(addr, password)[0] privkey = self.wallet.export_private_key(addr, password)[0]
private_keys[addr] = privkey private_keys[addr] = privkey
self.computing_privkeys_signal.emit() self.computing_privkeys_signal.emit()
self.computing_privkeys_signal.disconnect() if not cancelled:
self.show_privkeys_signal.emit() self.computing_privkeys_signal.disconnect()
self.show_privkeys_signal.emit()
def show_privkeys(): def show_privkeys():
s = "\n".join( map( lambda x: x[0] + "\t"+ x[1], private_keys.items())) s = "\n".join( map( lambda x: x[0] + "\t"+ x[1], private_keys.items()))
e.setText(s) e.setText(s)
b.setEnabled(True) b.setEnabled(True)
self.show_privkeys_signal.disconnect() self.show_privkeys_signal.disconnect()
nonlocal done
done = True
def on_dialog_closed(*args):
nonlocal done
nonlocal cancelled
if not done:
cancelled = True
self.computing_privkeys_signal.disconnect()
self.show_privkeys_signal.disconnect()
self.computing_privkeys_signal.connect(lambda: e.setText("Please wait... %d/%d"%(len(private_keys),len(addresses)))) self.computing_privkeys_signal.connect(lambda: e.setText("Please wait... %d/%d"%(len(private_keys),len(addresses))))
self.show_privkeys_signal.connect(show_privkeys) self.show_privkeys_signal.connect(show_privkeys)
d.finished.connect(on_dialog_closed)
threading.Thread(target=privkeys_thread).start() threading.Thread(target=privkeys_thread).start()
if not d.exec_(): if not d.exec_():