147 lines
5.4 KiB
Python
147 lines
5.4 KiB
Python
import os
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import signal
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import sys
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import traceback
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import threading
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from typing import Optional, TYPE_CHECKING, List
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try:
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import PyQt5
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except Exception:
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sys.exit("Error: Could not import PyQt5 on Linux systems, you may try 'sudo apt-get install python3-pyqt5'")
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try:
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import PyQt5.QtQml
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except Exception:
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sys.exit("Error: Could not import PyQt5.QtQml on Linux systems, you may try 'sudo apt-get install python3-pyqt5.qtquick'")
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from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject, QUrl, QLocale, QTimer, qInstallMessageHandler
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from PyQt5.QtGui import QGuiApplication
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from PyQt5.QtQml import qmlRegisterType, QQmlComponent, QQmlApplicationEngine
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from PyQt5.QtQuick import QQuickView
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import PyQt5.QtCore as QtCore
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import PyQt5.QtQml as QtQml
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from electrum.i18n import _, set_language, languages
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from electrum.plugin import run_hook
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from electrum.base_wizard import GoBack
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from electrum.util import (UserCancelled, profiler,
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WalletFileException, BitcoinException, get_new_wallet_name)
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from electrum.wallet import Wallet, Abstract_Wallet
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from electrum.wallet_db import WalletDB
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from electrum.logging import Logger, get_logger
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if TYPE_CHECKING:
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from electrum.daemon import Daemon
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from electrum.simple_config import SimpleConfig
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from electrum.plugin import Plugins
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from .qeconfig import QEConfig
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from .qedaemon import QEDaemon, QEWalletListModel
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from .qenetwork import QENetwork
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from .qewallet import QEWallet
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from .qeqr import QEQR
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class ElectrumQmlApplication(QGuiApplication):
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def __init__(self, args, config, daemon):
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super().__init__(args)
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self.logger = get_logger(__name__ + '.engine')
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qmlRegisterType(QEWalletListModel, 'org.electrum', 1, 0, 'WalletListModel')
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qmlRegisterType(QEWallet, 'org.electrum', 1, 0, 'Wallet')
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self.engine = QQmlApplicationEngine(parent=self)
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self.engine.addImportPath('./qml')
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self.context = self.engine.rootContext()
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self._singletons['config'] = QEConfig(config)
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self._singletons['network'] = QENetwork(daemon.network)
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self._singletons['daemon'] = QEDaemon(daemon)
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self._singletons['qr'] = QEQR()
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self.context.setContextProperty('Config', self._singletons['config'])
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self.context.setContextProperty('Network', self._singletons['network'])
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self.context.setContextProperty('Daemon', self._singletons['daemon'])
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self.context.setContextProperty('QR', self._singletons['qr'])
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qInstallMessageHandler(self.message_handler)
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# get notified whether root QML document loads or not
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self.engine.objectCreated.connect(self.objectCreated)
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_valid = True
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_singletons = {}
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# slot is called after loading root QML. If object is None, it has failed.
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@pyqtSlot('QObject*', 'QUrl')
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def objectCreated(self, object, url):
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if object is None:
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self._valid = False
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self.engine.objectCreated.disconnect(self.objectCreated)
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def message_handler(self, line, funct, file):
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self.logger.warning(file)
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class ElectrumGui(Logger):
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@profiler
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def __init__(self, config: 'SimpleConfig', daemon: 'Daemon', plugins: 'Plugins'):
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set_language(config.get('language', self.get_default_language()))
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Logger.__init__(self)
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#os.environ['QML_IMPORT_TRACE'] = '1'
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#os.environ['QT_DEBUG_PLUGINS'] = '1'
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self.logger.info(f"Qml GUI starting up... Qt={QtCore.QT_VERSION_STR}, PyQt={QtCore.PYQT_VERSION_STR}")
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self.logger.info("CWD=%s" % os.getcwd())
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# Uncomment this call to verify objects are being properly
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# GC-ed when windows are closed
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#network.add_jobs([DebugMem([Abstract_Wallet, SPV, Synchronizer,
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# ElectrumWindow], interval=5)])
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QtCore.QCoreApplication.setAttribute(QtCore.Qt.AA_X11InitThreads)
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if hasattr(QtCore.Qt, "AA_ShareOpenGLContexts"):
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QtCore.QCoreApplication.setAttribute(QtCore.Qt.AA_ShareOpenGLContexts)
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if hasattr(QGuiApplication, 'setDesktopFileName'):
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QGuiApplication.setDesktopFileName('electrum.desktop')
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if hasattr(QtCore.Qt, "AA_EnableHighDpiScaling"):
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QtCore.QCoreApplication.setAttribute(QtCore.Qt.AA_EnableHighDpiScaling);
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if not "QT_QUICK_CONTROLS_STYLE" in os.environ:
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os.environ["QT_QUICK_CONTROLS_STYLE"] = "Material"
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self.gui_thread = threading.current_thread()
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self.config = config
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self.daemon = daemon
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self.plugins = plugins
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self.app = ElectrumQmlApplication(sys.argv, self.config, self.daemon)
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# timer
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self.timer = QTimer(self.app)
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self.timer.setSingleShot(False)
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self.timer.setInterval(500) # msec
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self.timer.timeout.connect(lambda: None) # periodically enter python scope
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# Initialize any QML plugins
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run_hook('init_qml', self)
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self.app.engine.load('electrum/gui/qml/components/main.qml')
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def close(self):
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self.app.quit()
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def main(self):
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if not self.app._valid:
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return
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self.timer.start()
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signal.signal(signal.SIGINT, lambda *args: self.stop())
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self.logger.info('Entering main loop')
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self.app.exec_()
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def stop(self):
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self.logger.info('closing GUI')
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self.app.quit()
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def get_default_language(self):
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name = QLocale.system().name()
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return name if name in languages else 'en_UK'
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