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import sys
from os.path import abspath, dirname, join

from PySide2.QtCore import QObject, Slot
from PySide2.QtGui import QGuiApplication
from PySide2.QtQml import QQmlApplicationEngine


class Bridge(QObject):

    @Slot(str, result=str)
    def getColor(self, s):
        if s.lower() == "red":
            return "#ef9a9a"
        elif s.lower() == "green":
            return "#a5d6a7"
        elif s.lower() == "blue":
            return "#90caf9"
        else:
            return "white"

    @Slot(float, result=int)
    def getSize(self, s):
        size = int(s * 34)
        if size <= 0:
            return 1
        else:
            return size

    @Slot(str, result=bool)
    def getItalic(self, s):
        if s.lower() == "italic":
            return True
        else:
            return False

    @Slot(str, result=bool)
    def getBold(self, s):
        if s.lower() == "bold":
            return True
        else:
            return False

    @Slot(str, result=bool)
    def getUnderline(self, s):
        if s.lower() == "underline":
            return True
        else:
            return False


if __name__ == '__main__':
    sys.argv += ['--style', 'material']
    app = QGuiApplication(sys.argv)
    engine = QQmlApplicationEngine()

    # Instance of the Python object
    bridge = Bridge()

    # Expose the Python object to QML
    context = engine.rootContext()
    context.setContextProperty("con", bridge)

    # Get the path of the current directory, and then add the name
    # of the QML file, to load it.
    qmlFile = join(dirname(__file__), 'view.qml')
    engine.load(abspath(qmlFile))

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

    sys.exit(app.exec_())
