main.py

# This Python file uses the following encoding: utf-8
import sys
import os

from PySide2.QtGui import QGuiApplication
from PySide2.QtQml import QQmlApplicationEngine
from app_modules import *

# Instastiate a QGuiApplication class in order to acces it in my QmlTranslor.py file
class App(QGuiApplication):
    pass


if __name__ == "__main__":
    app = App(sys.argv)

    qmltranslator = QmlTanslator()

    engine = QQmlApplicationEngine()

    engine.rootContext().setContextProperty('translator', qmltranslator)
    engine.load(os.path.join(os.path.dirname(__file__), "main.qml"))

    if not engine.rootObjects():
        sys.exit(-1)
    sys.exit(app.exec_())