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QML

Hello World

uv

Using uv package manager

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pip install uv

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# create virtual env.
uv venv

# source
source .venv/bin/activate

# install qml
uv install PySide6

Projects

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└── qml_tutorial
    ├── __init__.py
    ├── main.py
    └── main.qml
main.py
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import sys
from PySide6.QtWidgets import QApplication
from PySide6.QtQml import QQmlApplicationEngine

# Create the application instance
app = QApplication(sys.argv)

# Load the QML file
engine = QQmlApplicationEngine()
engine.load("main.qml")

# Exit if QML fails to load
if not engine.rootObjects():
    sys.exit(-1)

# Run the application
sys.exit(app.exec())
main.qml
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import QtQuick 6.5
import QtQuick.Controls 6.5

ApplicationWindow {
    visible: true
    width: 400
    height: 300
    title: "Hello QML with Python"

    Rectangle {
        anchors.fill: parent
        color: "lightblue"

        Text {
            text: "Hello, World!"
            anchors.centerIn: parent
            font.pixelSize: 24
        }
    }
}