move network dialog in a new class; simplify interface.get_servers
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ecdsa
231
gui/network_dialog.py
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231
gui/network_dialog.py
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#!/usr/bin/env python
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#
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# Electrum - lightweight Bitcoin client
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# Copyright (C) 2012 thomasv@gitorious
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import sys, time, datetime, re, threading
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from i18n import _
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from electrum.util import print_error, print_msg
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import os.path, json, ast, traceback
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from PyQt4.QtGui import *
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from PyQt4.QtCore import *
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from electrum.interface import DEFAULT_SERVERS, DEFAULT_PORTS
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from qt_util import *
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protocol_names = ['TCP', 'HTTP', 'SSL', 'HTTPS']
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protocol_letters = 'thsg'
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class NetworkDialog(QDialog):
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def __init__(self, interface, config, parent):
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QDialog.__init__(self,parent)
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self.setModal(1)
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self.setWindowTitle(_('Server'))
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self.setMinimumSize(375, 20)
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self.interface = interface
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self.config = config
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self.protocol = None
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if parent:
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if interface.is_connected:
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status = _("Connected to")+" %s"%(interface.host) #, wallet.verifier.height)+_("blocks")
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else:
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status = _("Not connected")
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server = interface.server
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else:
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import random
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status = _("Please choose a server.") + "\n" + _("Select 'Cancel' if you are offline.")
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server = interface.server
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self.servers = interface.get_servers()
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vbox = QVBoxLayout()
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vbox.setSpacing(30)
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hbox = QHBoxLayout()
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l = QLabel()
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l.setPixmap(QPixmap(":icons/network.png"))
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hbox.addStretch(10)
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hbox.addWidget(l)
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hbox.addWidget(QLabel(status))
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hbox.addStretch(50)
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vbox.addLayout(hbox)
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# grid layout
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grid = QGridLayout()
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grid.setSpacing(8)
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vbox.addLayout(grid)
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# server
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self.server_protocol = QComboBox()
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self.server_host = QLineEdit()
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self.server_host.setFixedWidth(200)
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self.server_port = QLineEdit()
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self.server_port.setFixedWidth(60)
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self.server_protocol.addItems(protocol_names)
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grid.addWidget(QLabel(_('Server') + ':'), 0, 0)
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grid.addWidget(self.server_protocol, 0, 1)
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grid.addWidget(self.server_host, 0, 2)
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grid.addWidget(self.server_port, 0, 3)
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self.server_protocol.connect(self.server_protocol, SIGNAL('currentIndexChanged(int)'), self.change_protocol)
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label = _('Active Servers') if interface.servers else _('Default Servers')
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self.servers_list_widget = QTreeWidget(parent)
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self.servers_list_widget.setHeaderLabels( [ label, _('Limit') ] )
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self.servers_list_widget.setMaximumHeight(150)
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self.servers_list_widget.setColumnWidth(0, 240)
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if server:
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host, port, protocol = server.split(':')
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self.set_protocol(protocol)
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self.change_server(host, protocol)
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else:
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self.set_protocol('s')
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self.servers_list_widget.connect(self.servers_list_widget,
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SIGNAL('currentItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)'),
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lambda x,y: self.server_changed(x))
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grid.addWidget(self.servers_list_widget, 1, 1, 1, 3)
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if not config.is_modifiable('server'):
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for w in [self.server_host, self.server_port, self.server_protocol, self.servers_list_widget]: w.setEnabled(False)
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# auto cycle
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self.autocycle_cb = QCheckBox(_('Try random servers if disconnected'))
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self.autocycle_cb.setChecked(self.config.get('auto_cycle', True))
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grid.addWidget(self.autocycle_cb, 3, 1, 3, 2)
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if not self.config.is_modifiable('auto_cycle'): self.autocycle_cb.setEnabled(False)
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# proxy setting
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self.proxy_mode = QComboBox()
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self.proxy_host = QLineEdit()
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self.proxy_host.setFixedWidth(200)
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self.proxy_port = QLineEdit()
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self.proxy_port.setFixedWidth(60)
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self.proxy_mode.addItems(['NONE', 'SOCKS4', 'SOCKS5', 'HTTP'])
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def check_for_disable(index = False):
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if self.proxy_mode.currentText() != 'NONE':
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self.proxy_host.setEnabled(True)
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self.proxy_port.setEnabled(True)
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else:
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self.proxy_host.setEnabled(False)
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self.proxy_port.setEnabled(False)
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check_for_disable()
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self.proxy_mode.connect(self.proxy_mode, SIGNAL('currentIndexChanged(int)'), check_for_disable)
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if not self.config.is_modifiable('proxy'):
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for w in [self.proxy_host, self.proxy_port, self.proxy_mode]: w.setEnabled(False)
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proxy_config = interface.proxy if interface.proxy else { "mode":"none", "host":"localhost", "port":"8080"}
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self.proxy_mode.setCurrentIndex(self.proxy_mode.findText(str(proxy_config.get("mode").upper())))
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self.proxy_host.setText(proxy_config.get("host"))
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self.proxy_port.setText(proxy_config.get("port"))
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grid.addWidget(QLabel(_('Proxy') + ':'), 2, 0)
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grid.addWidget(self.proxy_mode, 2, 1)
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grid.addWidget(self.proxy_host, 2, 2)
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grid.addWidget(self.proxy_port, 2, 3)
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# buttons
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vbox.addLayout(ok_cancel_buttons(self))
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self.setLayout(vbox)
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def init_servers_list(self):
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self.servers_list_widget.clear()
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for _host, d in self.servers.items():
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if d.get(self.protocol):
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pruning_level = d.get('pruning','')
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self.servers_list_widget.addTopLevelItem(QTreeWidgetItem( [ _host, pruning_level ] ))
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def set_protocol(self, protocol):
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if protocol != self.protocol:
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self.protocol = protocol
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self.init_servers_list()
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def change_protocol(self, index):
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p = protocol_letters[index]
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host = unicode(self.server_host.text())
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pp = self.servers.get(host)
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if p not in pp.keys():
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p = pp.keys()[0]
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port = pp[p]
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self.server_host.setText( host )
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self.server_port.setText( port )
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self.set_protocol(p)
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def server_changed(self, x):
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if x:
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self.change_server(str(x.text(0)), self.protocol)
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def change_server(self, host, protocol):
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pp = self.servers.get(host, DEFAULT_PORTS)
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if protocol:
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port = pp.get(protocol)
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if not port: protocol = None
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if not protocol:
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if 's' in pp.keys():
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protocol = 's'
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port = pp.get(protocol)
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else:
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protocol = pp.keys()[0]
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port = pp.get(protocol)
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self.server_host.setText( host )
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self.server_port.setText( port )
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self.server_protocol.setCurrentIndex(protocol_letters.index(protocol))
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if not self.servers: return
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for p in protocol_letters:
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i = protocol_letters.index(p)
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j = self.server_protocol.model().index(i,0)
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#if p not in pp.keys(): # and self.interface.is_connected:
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# self.server_protocol.model().setData(j, QVariant(0), Qt.UserRole-1)
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#else:
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# self.server_protocol.model().setData(j, QVariant(33), Qt.UserRole-1)
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def do_exec(self):
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if not self.exec_(): return
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server = ':'.join([str( self.server_host.text() ),
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str( self.server_port.text() ),
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(protocol_letters[self.server_protocol.currentIndex()]) ])
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if self.proxy_mode.currentText() != 'NONE':
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proxy = { 'mode':str(self.proxy_mode.currentText()).lower(),
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'host':str(self.proxy_host.text()),
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'port':str(self.proxy_port.text()) }
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else:
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proxy = None
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self.config.set_key("proxy", proxy, True)
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self.config.set_key("server", server, True)
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self.interface.set_server(server, proxy)
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self.config.set_key('auto_cycle', self.autocycle_cb.isChecked(), True)
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return True
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