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Sample script to use command line arguments in Qt (QML)
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| #!/usr/bin/env python3 | |
| from PySide2.QtCore import Slot | |
| from PySide2.QtCore import Signal | |
| from PySide2.QtCore import QUrl | |
| from PySide2.QtCore import QObject | |
| from PySide2.QtGui import QGuiApplication | |
| from PySide2.QtQml import QQmlApplicationEngine | |
| from PySide2.QtQml import qmlRegisterType | |
| import os | |
| import sys | |
| import argparse | |
| class Backend(QObject): | |
| def __init__(self, parent=None): | |
| QObject.__init__(self, parent) | |
| @Slot(list) | |
| def load_args(self, args): | |
| description = "foo" | |
| parser = argparse.ArgumentParser( | |
| description=description, | |
| add_help=False, | |
| ) | |
| parser.add_argument( | |
| "--bool", | |
| action="store_true", | |
| help="some boolean option", | |
| ) | |
| parser.add_argument( | |
| "strings", | |
| nargs="+", | |
| help="some strings", | |
| ) | |
| parsed_args, _ = parser.parse_known_args(args[1:]) | |
| print(args) | |
| print(parsed_args) | |
| def main(): | |
| app = QGuiApplication(sys.argv) | |
| qmlRegisterType(Backend, "PythonBackendLibrary", 1, 0, "PythonBackend") | |
| qml_file = "sample.qml" | |
| current_dir = os.path.dirname(os.path.realpath(__file__)) | |
| filename = os.path.join(current_dir, qml_file) | |
| backend = Backend() | |
| engine = QQmlApplicationEngine() | |
| win = engine.rootContext() | |
| engine.load(QUrl.fromLocalFile(filename)) | |
| if not engine.rootObjects(): | |
| sys.exit(-1) | |
| sys.exit(app.exec_()) | |
| if __name__ == "__main__": | |
| main() |
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| import QtQuick 2.0 | |
| import QtQuick.Controls 2.0 | |
| import PythonBackendLibrary 1.0 | |
| ApplicationWindow { | |
| id: root | |
| width: 100 | |
| height: 100 | |
| visible: true | |
| title: "Sample Application" | |
| PythonBackend { | |
| id: backend | |
| Component.onCompleted: load_args(Qt.application.arguments) | |
| } | |
| } |
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