import os

import sys

from PyQt5.QtCore import QUrl, QObject

from PyQt5.QtWidgets import QApplication

from PyQt5.QtQml import QQmlApplicationEngine

from UI import classres

os.environ['QT_QUICK_CONTROLS_STYLE'] = "Universal"

app = QApplication(sys.argv)

# Create QML engine

engine = QQmlApplicationEngine()

# Load the qml file into the engine

engine.load(QUrl('qrc:/UI/qml/main.qml'))

# Qml file error handling

if not engine.rootObjects():

sys.exit(-1)

# Send QT_QUICK_CONTROLS_STYLE to main qml (only for demonstration)

qtquick2Themes = engine.rootObjects()[0].findChild(

QObject,

'qtquick2Themes'

)

qtquick2Themes.setProperty('text', os.environ['QT_QUICK_CONTROLS_STYLE'])

sys.exit(app.exec_())